What term refers to an abnormally slow heart rate? Multiple Choice Fibrillation Tachycardia Infarction Bradycardia What blood vessels hold the greatest volume of blood? Multiple Choice Arterioles Arteries Veins Capillaries What is a function of the pulmonary circuit? Multiple Choice It carries oxygen-poor blood to the lungs. It carries oxygen-poor blood to the tissues. It carries oxygen-poor blood from the tissues. It carries oxygen-poor blood to the heart. What type of arrhythmia is most life threatening? Multiple Choice Ventricular fibrillation Atrial fibrillation Ventricular flutter Atrial flutter Name the tough outermost layer of the sac that surrounds the heart. Multiple Choice Epicardium Visceral pericardium Fibrous pericardium Endocardium Which of the following helps return blood to the heart? Multiple Choice Contracting skeletal muscles Valves in the arteries Positive pressure in thoracic cavity End systolic volume Which valve is located between the left atrium and left ventricle? Multiple Choice Mitral valve Aortic valve Tricuspid valve Pulmonary valve Plasma proteins contribute to the pressure of the blood. Multiple Choice central venous osmotic filtration hydrostatic What is the correct sequence of components of the cardiac conduction system? Multiple Choice SA node Purkinje fibers AV node AV bundle AV node AV bundle Purkinje fibers SA node AV node SA node Purkinje fibers AV bundle SA node AV node AV bundle Purkinje fibers During ventricular contraction, what is the status of the atrioventricular valves? Multiple Choice The mitral and tricuspid valves both are open. The mitral valve is opened and the tricuspid valve is closed. The tricuspid valve is open and the mitral valve is closed. The mitral and tricuspid valves both are closed. Name the layers of the the wall of the heart and surrounding structures from deep to superficial. Multiple Choice Epleardum, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous pericardium Flbrous pericardium, parietal pericardium, pericardial covity, epicardium, myocardlum, endocardium Myocardium, endocardium, epicardlum, fibrous pericardium, pericardial cavity, parietal pericardium Endocardium, myocardium, epicardlum, pericardial cavity, parietal pericardium, fibrous pericardium What is the normal pacemaker of the heart? Multiple Choice AV bundle Purkinje fibers Sinoatrial node Atrioventricular node What is a function of the systemic circuit? Multiple Choice It carries oxygen-rich blood to the heart. It carries oxygen-rich blood from the lungs. It carries oxygen-poor blood to the tissues. It carries oxygen-poor blood to the heart. What causes the T wave on an ECG? Multiple Choice Repolarization of ventricular myocardium Depolarization of atrial myocardium Depolarization of ventricular myocardium Repolarization of atrial myocardium Why is the cardiovascular system vital to survival? Multiple Choice It delivers waste molecules to vital organs. It supplies oxygen and nutrients to.
What tem refers to an abnormaly slow heart rate- Mutiples Chacen Fitil.docxJosephiQrMacLeodb
What tem refers to an abnormaly slow heart rate? Mutiples Chacen Fitilasert fachyenas Inlarction Arachecardia Whot blood vessels hold the greatest volume of blood? Multiple Choice Artenioles. Arterles Veins Capiliaries What is a function of the pulmonary circult? Multiple Choice it carries axygen-poor blood to the lungs. If carries oxygen-poor blood to the tissues. R carries oxygen-poor blood from the tissues. It carries oxygen-poor blood to the heart. What type of arrhythmia is most life threatening? Multiple Choice Ventricular fibrillation Atrial fibrillation Ventricular flutter Atrial flutter Name the tough outermost layer of the sac that surrounds the heart. Multiple Choice Epicardium Visceral pericardium Fibrous pericardium Endocardium Which of the following helps return blood to the heart? Multiple Choice Contracting skeletal muscles Valves in the arteries Positive pressure in thoracic cavity End systolic volume Which valve is located between the left atrium and left ventricle? Multiple Choice Mitral valve Aortic valve Tricuspid valve Pulmonary valve Plasma proteins contribute to the pressure of the blood. Multiple Choice central venous osmotic filtration hydrostatic What is the correct sequence of components of the cardiac conduction system? Multiple Choice SA node Purkinje fibers AV node AV bundle AV node AV bundle Purkinje fibers SA node AV node SA node Purkinje fibers AV bundle SA node AV node AV bundle Purkinje fibers During ventricular contraction, what is the status of the atrioventricular valves? Multiple Choice The mitral and tricuspid valves both are open. The mitral valve is opened and the tricuspid valve is closed. The tricuspid valve is open and the mitral valve is closed. The mitral and tricuspid valves both are closed. Name the layers of the the wall of the heart and surrounding structures from deep to superficial. Multiple Choice Epicardium, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous pericardium Fibrous pericardium, parietal pericardium, pericardial cavity, epicardium, myocardium, endocardium Myocardium, endocardium, epicardium, fibrous pericardium, pericardial cavity, parietal pericardium Endocardlum, myocardium, epicardium, pericardial cavity, parietal pericardium, fibrous pericardium What is the normal pacemaker of the heart? Multiple Choice AV bundle Purkinje fibers Sinoatrial node Atrioventricular node What is a function of the systemic circuit? Multiple Choice It carries oxygen-rich blood to the heart. It carries oxygen-rich blood from the lungs. It carries oxygen-poor blood to the tissues. It carries oxygen-poor blood to the heart. What causes the T wave on an ECG? Multiple Choice Repolarization of ventricular myocardium Depolarization of atrial myocardium Depolarization of ventricular myocardium Repolarization of atrial myocardium Why is the cardiovascular system vital to survival? Multiple Choice It delivers waste molecules to vital organs. It supplies oxygen and nutrients to cell.
The document provides an overview of the human circulatory system, including:
- The heart pumps blood through vessels in a double circulatory system, with the pulmonary and systemic circuits.
- The heart has four chambers, with the right atrium and ventricle pumping to the lungs and the left pumping to the body. It is located in the mediastinum.
- Blood flows through one-way valves between the atria and ventricles, and into the pulmonary trunk and aorta.
- The cardiac conduction system coordinates heart chamber contractions for efficient blood flow.
The document provides a detailed overview of the cardiovascular system, including the anatomy and function of the heart and circulation. It describes the layers of the heart wall, the cardiac muscle, valves, conducting system, and blood flow through the heart. It also discusses the pulmonary and systemic circuits, blood vessel anatomy, veins, capillaries, and fetal circulation. Finally, it reviews the composition of blood and the functions of red blood cells, white blood cells, and platelets.
Here is a case study essay analyzing the presented case:
Case Study Analysis: Heart Failure
Background
The patient is a 65-year-old male who presented to the emergency department with complaints of shortness of breath and fatigue for the past two weeks. His medical history includes hypertension, diabetes, and hyperlipidemia. On physical exam, he was found to have elevated jugular venous pressure, crackles in his lungs, and edema in his lower extremities.
Diagnostic Testing and Assessment
To evaluate the cause of his symptoms, the patient underwent several tests. An electrocardiogram showed nonspecific ST-T wave changes. A chest x-ray revealed pulmonary congestion and an enlarged cardiac silhouette. Blood tests
The circulatory system is responsible for transporting materials like blood, oxygen, carbon dioxide, nutrients, and water throughout the entire body. It consists of the heart, blood vessels, and blood. The heart has four chambers - two upper atria and two lower ventricles. Deoxygenated blood enters the right atrium from the body and is pumped to the lungs where it receives oxygen before reentering the left atrium and being pumped by the left ventricle out to the body through arteries. There are three main types of circulation - pulmonary, coronary, and systemic.
The cardiovascular system consists of three types of blood vessels - arteries, capillaries, and veins. The heart has four chambers and uses electrical signals to pump blood through two circuits - the pulmonary circuit which oxygenates blood and the systemic circuit which circulates blood to the body. Common cardiovascular disorders include atherosclerosis, heart attacks, strokes, and aneurysms which can be treated through procedures like coronary bypass surgery or angioplasty.
Tachyarrhythmia indicates an abnormally fast heart rhythm of over 100 beats per minute. Nyctophilia is a preference for darkness or night. A tensiometer measures the surface tension of liquids. Varices are tortuously dilated veins. Toponarcosis refers to loss of sensation and/or consciousness in a localized area. Immunobiology is the study of immune phenomena in biological systems. Phlebolithiasis refers to the formation of stones in the veins. Cirsotomy involves the excision of a varicose vein. Venosclerosis is the hardening of veins. An atriotome is used to open the cardiac atrium. The cusp of a tooth has a rounded
Case study pregnancy induced hypertensionkiarratot
Pregnancy Induced Hypertension (PIH) is a condition characterized by high blood pressure, protein in the urine, and swelling during pregnancy. The exact cause is unknown, though it is more common in certain at-risk groups. PIH is classified based on symptoms from gestational hypertension with just high blood pressure to preeclampsia with additional symptoms to eclampsia which is the most severe form with seizures. Women at high risk should be monitored closely for symptoms during prenatal visits.
What tem refers to an abnormaly slow heart rate- Mutiples Chacen Fitil.docxJosephiQrMacLeodb
What tem refers to an abnormaly slow heart rate? Mutiples Chacen Fitilasert fachyenas Inlarction Arachecardia Whot blood vessels hold the greatest volume of blood? Multiple Choice Artenioles. Arterles Veins Capiliaries What is a function of the pulmonary circult? Multiple Choice it carries axygen-poor blood to the lungs. If carries oxygen-poor blood to the tissues. R carries oxygen-poor blood from the tissues. It carries oxygen-poor blood to the heart. What type of arrhythmia is most life threatening? Multiple Choice Ventricular fibrillation Atrial fibrillation Ventricular flutter Atrial flutter Name the tough outermost layer of the sac that surrounds the heart. Multiple Choice Epicardium Visceral pericardium Fibrous pericardium Endocardium Which of the following helps return blood to the heart? Multiple Choice Contracting skeletal muscles Valves in the arteries Positive pressure in thoracic cavity End systolic volume Which valve is located between the left atrium and left ventricle? Multiple Choice Mitral valve Aortic valve Tricuspid valve Pulmonary valve Plasma proteins contribute to the pressure of the blood. Multiple Choice central venous osmotic filtration hydrostatic What is the correct sequence of components of the cardiac conduction system? Multiple Choice SA node Purkinje fibers AV node AV bundle AV node AV bundle Purkinje fibers SA node AV node SA node Purkinje fibers AV bundle SA node AV node AV bundle Purkinje fibers During ventricular contraction, what is the status of the atrioventricular valves? Multiple Choice The mitral and tricuspid valves both are open. The mitral valve is opened and the tricuspid valve is closed. The tricuspid valve is open and the mitral valve is closed. The mitral and tricuspid valves both are closed. Name the layers of the the wall of the heart and surrounding structures from deep to superficial. Multiple Choice Epicardium, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous pericardium Fibrous pericardium, parietal pericardium, pericardial cavity, epicardium, myocardium, endocardium Myocardium, endocardium, epicardium, fibrous pericardium, pericardial cavity, parietal pericardium Endocardlum, myocardium, epicardium, pericardial cavity, parietal pericardium, fibrous pericardium What is the normal pacemaker of the heart? Multiple Choice AV bundle Purkinje fibers Sinoatrial node Atrioventricular node What is a function of the systemic circuit? Multiple Choice It carries oxygen-rich blood to the heart. It carries oxygen-rich blood from the lungs. It carries oxygen-poor blood to the tissues. It carries oxygen-poor blood to the heart. What causes the T wave on an ECG? Multiple Choice Repolarization of ventricular myocardium Depolarization of atrial myocardium Depolarization of ventricular myocardium Repolarization of atrial myocardium Why is the cardiovascular system vital to survival? Multiple Choice It delivers waste molecules to vital organs. It supplies oxygen and nutrients to cell.
The document provides an overview of the human circulatory system, including:
- The heart pumps blood through vessels in a double circulatory system, with the pulmonary and systemic circuits.
- The heart has four chambers, with the right atrium and ventricle pumping to the lungs and the left pumping to the body. It is located in the mediastinum.
- Blood flows through one-way valves between the atria and ventricles, and into the pulmonary trunk and aorta.
- The cardiac conduction system coordinates heart chamber contractions for efficient blood flow.
The document provides a detailed overview of the cardiovascular system, including the anatomy and function of the heart and circulation. It describes the layers of the heart wall, the cardiac muscle, valves, conducting system, and blood flow through the heart. It also discusses the pulmonary and systemic circuits, blood vessel anatomy, veins, capillaries, and fetal circulation. Finally, it reviews the composition of blood and the functions of red blood cells, white blood cells, and platelets.
Here is a case study essay analyzing the presented case:
Case Study Analysis: Heart Failure
Background
The patient is a 65-year-old male who presented to the emergency department with complaints of shortness of breath and fatigue for the past two weeks. His medical history includes hypertension, diabetes, and hyperlipidemia. On physical exam, he was found to have elevated jugular venous pressure, crackles in his lungs, and edema in his lower extremities.
Diagnostic Testing and Assessment
To evaluate the cause of his symptoms, the patient underwent several tests. An electrocardiogram showed nonspecific ST-T wave changes. A chest x-ray revealed pulmonary congestion and an enlarged cardiac silhouette. Blood tests
The circulatory system is responsible for transporting materials like blood, oxygen, carbon dioxide, nutrients, and water throughout the entire body. It consists of the heart, blood vessels, and blood. The heart has four chambers - two upper atria and two lower ventricles. Deoxygenated blood enters the right atrium from the body and is pumped to the lungs where it receives oxygen before reentering the left atrium and being pumped by the left ventricle out to the body through arteries. There are three main types of circulation - pulmonary, coronary, and systemic.
The cardiovascular system consists of three types of blood vessels - arteries, capillaries, and veins. The heart has four chambers and uses electrical signals to pump blood through two circuits - the pulmonary circuit which oxygenates blood and the systemic circuit which circulates blood to the body. Common cardiovascular disorders include atherosclerosis, heart attacks, strokes, and aneurysms which can be treated through procedures like coronary bypass surgery or angioplasty.
Tachyarrhythmia indicates an abnormally fast heart rhythm of over 100 beats per minute. Nyctophilia is a preference for darkness or night. A tensiometer measures the surface tension of liquids. Varices are tortuously dilated veins. Toponarcosis refers to loss of sensation and/or consciousness in a localized area. Immunobiology is the study of immune phenomena in biological systems. Phlebolithiasis refers to the formation of stones in the veins. Cirsotomy involves the excision of a varicose vein. Venosclerosis is the hardening of veins. An atriotome is used to open the cardiac atrium. The cusp of a tooth has a rounded
Case study pregnancy induced hypertensionkiarratot
Pregnancy Induced Hypertension (PIH) is a condition characterized by high blood pressure, protein in the urine, and swelling during pregnancy. The exact cause is unknown, though it is more common in certain at-risk groups. PIH is classified based on symptoms from gestational hypertension with just high blood pressure to preeclampsia with additional symptoms to eclampsia which is the most severe form with seizures. Women at high risk should be monitored closely for symptoms during prenatal visits.
The cardiovascular system consists of the heart and blood vessels. The heart is a muscular organ composed of four chambers that pump blood through two circuits. Blood is pumped from the right ventricle to the lungs and from the left ventricle to the entire body via arteries. Valves control the direction of blood flow between chambers. The cardiovascular system functions to deliver oxygen and nutrients throughout the body and remove waste via a continuous circulatory loop.
The document summarizes key aspects of cardiovascular anatomy and physiology. It describes the layers of the heart walls, chambers of the heart and blood flow path. It also outlines fetal circulation, heart sounds, factors influencing heart rate and cardiac output, electrocardiography, and vascular anatomy including major arteries and veins. Key structures like the sinoatrial node and heart valves are defined. Cardiac cycle phases of systole and diastole are explained.
structure and functions of heart PPT, SSC AP Srinivas NallapuSrinivas Nallapu
The document describes the structure and function of the human heart. It notes that the heart is a hollow organ made of cardiac muscle located in the middle of the thoracic cavity. It is enclosed in a double-layered sac called the pericardium and divided internally into four chambers - two upper chambers called auricles and two lower chambers called ventricles. Deoxygenated blood enters the right auricle from the vena cavae and is pumped to the right ventricle. It then passes through the pulmonary artery to the lungs. Oxygenated blood returns to the left auricle via the pulmonary veins and is pumped to the left ventricle. It then passes through the aorta to be distributed to
Cardiomyopathy and myocarditis affect the heart muscle. Cardiomyopathy is a group of diseases that affect the heart muscle, while myocarditis is an inflammation of the myocardium. The heart has four chambers and layers including the epicardium, myocardium, and endocardium. There are three main types of cardiomyopathy - dilated, hypertrophic, and restrictive - which are classified based on functional patterns and ejection fraction. Causes can include genetic factors, infections, metabolic disorders, toxins, and more.
The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
This presentation deals with circulation in human body.
I have prepared this for H.S.C students of Maharashtra board. The topic is simplified. This presentation will definitely help students to understand circulation in depth. Thank you.
This presentation deals with circulation in human body.
I have made this presentation for H.S.C students. I have tried my level best to simplify the topic. Visual presentation will definitely help the students to understand the topic easily. Please share your opinions regarding this presentation. Thank you.
This document provides an overview of circulatory systems. It discusses transport in invertebrates and vertebrates, including a comparison of open and closed circulatory systems. For humans, it describes the heart and heartbeat, vascular pathways including the pulmonary and systemic circuits, blood pressure, and some common cardiovascular disorders like hypertension and heart attacks.
The document describes the anatomy and physiology of the heart. It details the four chambers of the heart, including the right and left atria and ventricles. It also discusses the layers of the heart (epicardium, myocardium, endocardium), the conduction system, the major blood vessels attached to the heart, and the four heart valves. Additionally, it covers the cardiac cycle and explains systole, diastole, cardiac output, and factors that regulate stroke volume such as preload, contractility, and afterload.
Heart is the center of your cardiovascular system. It is responsible for pumping blood through your body, carrying nutrients in and taking waste out. Having good cardiovascular health is an important factor of optimal wellness.
An adult has a mass of 250-350 grams.
Each day, the average heart beats 100,000 times, pumping about 2,000 gallons (7,571 liters) of blood.
By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
Heart has four chambers and four valves present in the heart control the flow of blood in the heart.
Power point the cardiovascular system - anatomy and physiologyStephen Collins
The document discusses the anatomy and physiology of the heart and cardiovascular system. It describes the size and structure of the heart, including the four chambers and valves. It explains how blood flows through the heart and is pumped into the arteries and circulated throughout the body before returning to the heart through the veins. It also discusses the composition of blood and its transport of oxygen, nutrients and waste products.
This document provides an overview of the cardiovascular system. It discusses the composition and functions of blood, the structure and layers of the heart, types of circulation including pulmonary and systemic circulation, the cardiac cycle, heart valves and conducting system, blood pressure, electrocardiograms, and some common cardiovascular disorders like hypertension and stroke. The document is intended as an educational resource on the key components and functioning of the cardiovascular system.
William Harvey was the first modern physiologist in the 16th century. He proved that blood circulates in a continuous loop from the heart to the arteries and back to the veins and heart, overturning the long-held Galenic view of two separate circulatory systems. The circulatory system consists of arteries, which carry blood away from the heart; capillaries, where gas and nutrient exchange occurs; and veins, which carry blood back to the heart. Arteries have thicker muscular walls than veins and carry oxygenated blood except in the pulmonary circulation.
The circulatory system transports blood throughout the body using arteries, veins and capillaries that total over 60,000 miles in length. The heart pumps around 5 quarts of blood per minute, totaling around 2,000 gallons per day distributed around the body. Blood contains red blood cells, white blood cells, platelets and plasma and makes over 100,000 circulations per day on average over a lifetime.
The circulatory system transports blood throughout the body using arteries, veins and capillaries that total over 60,000 miles in length. The heart pumps around 5 quarts of blood per minute, totaling around 2,000 gallons per day distributed throughout the body. Blood flows from the heart through arteries, into capillaries where nutrients and oxygen are exchanged, then into veins which return blood back to the heart.
This document provides an overview of the embryological development and anatomy of arteries and veins in the head and neck region. It discusses the formation of blood and aortic arches in early embryonic development. It then describes the course, branches, and clinical relevance of major arteries like the common carotid artery, external carotid artery, internal carotid artery, and branches including the lingual, facial, and superior thyroid arteries. It also briefly outlines the structure and differences between arteries, veins, and capillaries.
There are two main types of circulatory systems - open and closed. In an open system, found in invertebrates like mollusks and arthropods, blood is pumped into body cavities and diffuses between cells. A closed system, present in vertebrates and some invertebrates, keeps blood enclosed in vessels at all times. Hearts vary in structure from simple contractile blood vessels in insects to four-chambered organs in mammals. Crayfish have a single-chambered heart that pumps hemolymph through arteries, while human hearts have four chambers separating oxygenated and deoxygenated blood flow.
Which cell types are present in the human body- Red blood cells skelet.docxJosephiQrMacLeodb
Which cell types are present in the human body? Red blood cells skeletal muscle cells epidermal (skin) cells nerve ceils endothelial celts plining blood vessels) cardiac muscle cells An organism must be able to reproduce in order to be considered 'living! True False Electrolytes (sodium Nat, calcium Cat+, potassium Kt , chleride CH -) are required in the human body for which metabolic process(es)? producing urine electrical activity in neurons maintaining water volume in blood muscle contraction skeletal muscle cells. epidermal (skin) cells nerve cellis endothelial cells (lining blood vessels) cardiac muscle cells
.
Which are true for mesoderm when contrasting with mesenchyme- (Select.docxJosephiQrMacLeodb
Which are true for mesoderm when contrasting with mesenchyme? (Select all that apply) It is the middle germ layer that contributes to 'all' muscle and blood (exclude smooth muscles of the iris) It secretes extracellular matrix but not basement membranes It is non-epithelial and does not express significant E-cadherin It can transition between epithelial layers and more independent cell types that are often migratory It fills most of the space in the body between the gut tube and the skin epidermis (except the nervous system) It forms somites, blood vessels, spleen and heart
.
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Similar to What term refers to an abnormally slow heart rate- Multiple Choice Fib.docx
The cardiovascular system consists of the heart and blood vessels. The heart is a muscular organ composed of four chambers that pump blood through two circuits. Blood is pumped from the right ventricle to the lungs and from the left ventricle to the entire body via arteries. Valves control the direction of blood flow between chambers. The cardiovascular system functions to deliver oxygen and nutrients throughout the body and remove waste via a continuous circulatory loop.
The document summarizes key aspects of cardiovascular anatomy and physiology. It describes the layers of the heart walls, chambers of the heart and blood flow path. It also outlines fetal circulation, heart sounds, factors influencing heart rate and cardiac output, electrocardiography, and vascular anatomy including major arteries and veins. Key structures like the sinoatrial node and heart valves are defined. Cardiac cycle phases of systole and diastole are explained.
structure and functions of heart PPT, SSC AP Srinivas NallapuSrinivas Nallapu
The document describes the structure and function of the human heart. It notes that the heart is a hollow organ made of cardiac muscle located in the middle of the thoracic cavity. It is enclosed in a double-layered sac called the pericardium and divided internally into four chambers - two upper chambers called auricles and two lower chambers called ventricles. Deoxygenated blood enters the right auricle from the vena cavae and is pumped to the right ventricle. It then passes through the pulmonary artery to the lungs. Oxygenated blood returns to the left auricle via the pulmonary veins and is pumped to the left ventricle. It then passes through the aorta to be distributed to
Cardiomyopathy and myocarditis affect the heart muscle. Cardiomyopathy is a group of diseases that affect the heart muscle, while myocarditis is an inflammation of the myocardium. The heart has four chambers and layers including the epicardium, myocardium, and endocardium. There are three main types of cardiomyopathy - dilated, hypertrophic, and restrictive - which are classified based on functional patterns and ejection fraction. Causes can include genetic factors, infections, metabolic disorders, toxins, and more.
The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
This presentation deals with circulation in human body.
I have prepared this for H.S.C students of Maharashtra board. The topic is simplified. This presentation will definitely help students to understand circulation in depth. Thank you.
This presentation deals with circulation in human body.
I have made this presentation for H.S.C students. I have tried my level best to simplify the topic. Visual presentation will definitely help the students to understand the topic easily. Please share your opinions regarding this presentation. Thank you.
This document provides an overview of circulatory systems. It discusses transport in invertebrates and vertebrates, including a comparison of open and closed circulatory systems. For humans, it describes the heart and heartbeat, vascular pathways including the pulmonary and systemic circuits, blood pressure, and some common cardiovascular disorders like hypertension and heart attacks.
The document describes the anatomy and physiology of the heart. It details the four chambers of the heart, including the right and left atria and ventricles. It also discusses the layers of the heart (epicardium, myocardium, endocardium), the conduction system, the major blood vessels attached to the heart, and the four heart valves. Additionally, it covers the cardiac cycle and explains systole, diastole, cardiac output, and factors that regulate stroke volume such as preload, contractility, and afterload.
Heart is the center of your cardiovascular system. It is responsible for pumping blood through your body, carrying nutrients in and taking waste out. Having good cardiovascular health is an important factor of optimal wellness.
An adult has a mass of 250-350 grams.
Each day, the average heart beats 100,000 times, pumping about 2,000 gallons (7,571 liters) of blood.
By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
Heart has four chambers and four valves present in the heart control the flow of blood in the heart.
Power point the cardiovascular system - anatomy and physiologyStephen Collins
The document discusses the anatomy and physiology of the heart and cardiovascular system. It describes the size and structure of the heart, including the four chambers and valves. It explains how blood flows through the heart and is pumped into the arteries and circulated throughout the body before returning to the heart through the veins. It also discusses the composition of blood and its transport of oxygen, nutrients and waste products.
This document provides an overview of the cardiovascular system. It discusses the composition and functions of blood, the structure and layers of the heart, types of circulation including pulmonary and systemic circulation, the cardiac cycle, heart valves and conducting system, blood pressure, electrocardiograms, and some common cardiovascular disorders like hypertension and stroke. The document is intended as an educational resource on the key components and functioning of the cardiovascular system.
William Harvey was the first modern physiologist in the 16th century. He proved that blood circulates in a continuous loop from the heart to the arteries and back to the veins and heart, overturning the long-held Galenic view of two separate circulatory systems. The circulatory system consists of arteries, which carry blood away from the heart; capillaries, where gas and nutrient exchange occurs; and veins, which carry blood back to the heart. Arteries have thicker muscular walls than veins and carry oxygenated blood except in the pulmonary circulation.
The circulatory system transports blood throughout the body using arteries, veins and capillaries that total over 60,000 miles in length. The heart pumps around 5 quarts of blood per minute, totaling around 2,000 gallons per day distributed around the body. Blood contains red blood cells, white blood cells, platelets and plasma and makes over 100,000 circulations per day on average over a lifetime.
The circulatory system transports blood throughout the body using arteries, veins and capillaries that total over 60,000 miles in length. The heart pumps around 5 quarts of blood per minute, totaling around 2,000 gallons per day distributed throughout the body. Blood flows from the heart through arteries, into capillaries where nutrients and oxygen are exchanged, then into veins which return blood back to the heart.
This document provides an overview of the embryological development and anatomy of arteries and veins in the head and neck region. It discusses the formation of blood and aortic arches in early embryonic development. It then describes the course, branches, and clinical relevance of major arteries like the common carotid artery, external carotid artery, internal carotid artery, and branches including the lingual, facial, and superior thyroid arteries. It also briefly outlines the structure and differences between arteries, veins, and capillaries.
There are two main types of circulatory systems - open and closed. In an open system, found in invertebrates like mollusks and arthropods, blood is pumped into body cavities and diffuses between cells. A closed system, present in vertebrates and some invertebrates, keeps blood enclosed in vessels at all times. Hearts vary in structure from simple contractile blood vessels in insects to four-chambered organs in mammals. Crayfish have a single-chambered heart that pumps hemolymph through arteries, while human hearts have four chambers separating oxygenated and deoxygenated blood flow.
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When fitting a linear trend to time series data we have to use a time.docxJosephiQrMacLeodb
When fitting a linear trend to time series data we have to use a time index variable as a predictor (i.e. explanatory variable), because (select all that apply): it is very easy to relate back the time index values to the actual time units at which the data has been observed. we use a time index in regression analysis of any kind of data. in many cases due to the complex time scale of recording the observations, nothing else makes sense to use as a variable representing time. we want the intercept of the resulting linear trend model to have a meaningful interpretation.
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When considering creating a join between two tables- how are we demons.docxJosephiQrMacLeodb
When considering creating a join between two tables, how are we demonstrating the concept of "relational" databases? Why is it essential to create the join by finding a unique, unique attribute in at least one table and looking at situations where that attribute has the same value ( is equal ) in both tables?
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When disclosing qualifying information that information should be pre (1).docxJosephiQrMacLeodb
When disclosing qualifying information that information should be presented clearly and prominently so that it is actually noticed and understood by consumers. Why then are television commercials allowed to make these disclosures at the end of commercials via a spokesperson speaking incredibly fast? Do you think this should be allowed as sufficient disclosure? What alternatives would you recommend?
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What might be the result of a mutation that results in a constitutivel.docxJosephiQrMacLeodb
What might be the result of a mutation that results in a constitutively activated -adrenergic receptor in liver cells? an increase in the conversion of pyruvate into oxaloacetate an increase in the phosphorylation of pyruvate dehydrogenase a decrease in the activation of pyruvate dehydrogenase an increase in the activation of pyruvate dehydrogenase a reduction of intracellular Ca 2 + levels Assume that in a cell the ratio(s) listed is/are high. Which ratio(s) would lead to a decrease in the rate of entrance of acetyl CoA into the citric acid cycle? ADP/ATP Both ATP/ADP and NAD + / NADH ATP/ADP Both ADP/ATP and NADH/NAD + NADH / NAD + NAD + / NADH
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What materials tend to move out of the blood and into most body tissue.docxJosephiQrMacLeodb
What materials tend to move out of the blood and into most body tissues? Oxygen and CO 2 None of these is correct Nutrients and oxygen Wastes and CO 2 Nutrients and wastes In what areas will oxygen move into the blood? In the lungs None of these is correct In the GI tract In the veins In most body tissues What materials tend to move into the blood from most body tissues? Nutrients and oxygen None of these is correct Oxygen and CO 2 Wastes and CO 2 Nutrients and wastes In what areas will carbon dioxide move out of the blood? In most body tissues None of these is correct In the veins In the lungs In the Gl tract
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What is the purpose of templates in C++ - Code re-use for different fu.docxJosephiQrMacLeodb
What is the purpose of templates in C + + ? Code re-use for different functions Reduces number of unit tests Code re-use for different data types To avoid compiler errors
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What is the probability that an applicant chosen at random got a LOW O.docxJosephiQrMacLeodb
What is the probability that an applicant chosen at random got a LOW OR HIGH score?
Score
Poor (P)
Average (A)
Superior (S)
Total
Low (L)
105
60
55
220
Medium (M)
70
175
145
390
High (H)
25
65
300
390
Total
200
300
500
1000
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What is the primary advantage of using the BCD code in place of straig.docxJosephiQrMacLeodb
What is the primary advantage of using the BCD code in place of straight binary coding? A. The relative ease of converting to and from decimals. B. Fewer bits are required to represent a decimal number with the BCD code. C. BCD codes are easily converted to straight binary codes. D. BCD codes are easily converted to hexadecimal codes.
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What is the objective of financial reporting- a- Provide information t.docxJosephiQrMacLeodb
What is the objective of financial reporting? a. Provide information that is useful to management in making decisions. b. Provide information that clearly portrays nonfinancial transactions. c. Provide information about the reporting entity that is useful to present and potential equity investors, lenders, and other creditors. d. Provide information that excludes claims to the resources. What is meant by comparability when discussing financial accounting information? a. Information has predictive or confirmatory value. b. Information is reasonably free from error. c. Information that is measured and reported in a similar fashion across companies. d. Information is timely.
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What is at-satellite reflectance- How do Earth-Sun Distance and solar.docxJosephiQrMacLeodb
What is at-satellite reflectance? How do Earth-Sun Distance and solar elevation angle affect the radiometric calibration of the satellite image to derive the at satellite reflectance? What are Earth-Sun distance and solar elevation angles when ldsat1999.img and ldsat2000.img were acquired? How are these parameter derived?
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What is the NPV for a project if its cost of capital is 12 percent and.docxJosephiQrMacLeodb
What is the NPV for a project if its cost of capital is 12 percent and its initial after-tax cost is $5,000,000 and it is expected to provide after-tax operating cash flows of $1,800,000 in year 1, $1,900,000 in year 2, $1,700,000 in year 3, and ($1,300,000) in year 4?
A) -$1,494,336
B) $158,011
C) -$158,011
D) $3,505,664
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What is the IP address of the default gateway for the host with this r.docxJosephiQrMacLeodb
What is the IP address of the default gateway for the host with this routing table? F N a) 0.0.0.0 b) 129.21.40.219 c) 129.21.175.254 d) 129.21.175.27
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What is the function of ribulose-5-phosphate- (a) to be oxidized to ge.docxJosephiQrMacLeodb
What is the function of ribulose-5-phosphate?
(a) to be oxidized to generate NADPH
(b) to be used in nucleotides
(c) to be used in transaldolase and transketolase reactions
(d) to be used as NADH shuttle between cytosol and mitochondria
(e) to be used by two isomerases to balance the ratios of pentose phosphates in the cytosol
.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UPRAHUL
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
How to Setup Warehouse & Location in Odoo 17 InventoryCeline George
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
Leveraging Generative AI to Drive Nonprofit InnovationTechSoup
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
Gender and Mental Health - Counselling and Family Therapy Applications and In...
What term refers to an abnormally slow heart rate- Multiple Choice Fib.docx
1. What term refers to an abnormally slow heart rate? Multiple Choice Fibrillation Tachycardia
Infarction Bradycardia What blood vessels hold the greatest volume of blood? Multiple Choice
Arterioles Arteries Veins Capillaries What is a function of the pulmonary circuit? Multiple
Choice It carries oxygen-poor blood to the lungs. It carries oxygen-poor blood to the tissues. It
carries oxygen-poor blood from the tissues. It carries oxygen-poor blood to the heart. What type
of arrhythmia is most life threatening? Multiple Choice Ventricular fibrillation Atrial fibrillation
Ventricular flutter Atrial flutter Name the tough outermost layer of the sac that surrounds the
heart. Multiple Choice Epicardium Visceral pericardium Fibrous pericardium Endocardium
Which of the following helps return blood to the heart? Multiple Choice Contracting skeletal
muscles Valves in the arteries Positive pressure in thoracic cavity End systolic volume Which
valve is located between the left atrium and left ventricle? Multiple Choice Mitral valve Aortic
valve Tricuspid valve Pulmonary valve Plasma proteins contribute to the pressure of the blood.
Multiple Choice central venous osmotic filtration hydrostatic What is the correct sequence of
components of the cardiac conduction system? Multiple Choice SA node Purkinje fibers AV
node AV bundle AV node AV bundle Purkinje fibers SA node AV node SA node Purkinje fibers
AV bundle SA node AV node AV bundle Purkinje fibers During ventricular contraction, what is
the status of the atrioventricular valves? Multiple Choice The mitral and tricuspid valves both are
open. The mitral valve is opened and the tricuspid valve is closed. The tricuspid valve is open
and the mitral valve is closed. The mitral and tricuspid valves both are closed. Name the layers
of the the wall of the heart and surrounding structures from deep to superficial. Multiple Choice
Epleardum, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous
pericardium Flbrous pericardium, parietal pericardium, pericardial covity, epicardium,
myocardlum, endocardium Myocardium, endocardium, epicardlum, fibrous pericardium,
pericardial cavity, parietal pericardium Endocardium, myocardium, epicardlum, pericardial
cavity, parietal pericardium, fibrous pericardium What is the normal pacemaker of the heart?
Multiple Choice AV bundle Purkinje fibers Sinoatrial node Atrioventricular node What is a
function of the systemic circuit? Multiple Choice It carries oxygen-rich blood to the heart. It
carries oxygen-rich blood from the lungs. It carries oxygen-poor blood to the tissues. It carries
oxygen-poor blood to the heart. What causes the T wave on an ECG? Multiple Choice
Repolarization of ventricular myocardium Depolarization of atrial myocardium Depolarization
of ventricular myocardium Repolarization of atrial myocardium Why is the cardiovascular
system vital to survival? Multiple Choice It delivers waste molecules to vital organs. It supplies
oxygen and nutrients to cells. It delivers carbon dioxide to tissues and removes excess oxygen. It
ensures that the lungs fully inflate. Why does fluid leave capillaries at their arteriolar end and
enter at the venular end? Mutiple Choice Hydrosaatic pressure is figher than osmote presure at
the menolar end and wwor at the venda end. Hydrostate prestwe is loner thas osmotic peessae at
the arterolar end end higher at the veruicr end. Blood flowing from the vena cavae to the
pulmonary trunk passes through what series of structures? Multiple Choice Right ventricle,
tricuspld valve, right atrium, pulmonary valve Right atrium, pulmonary valve, right ventricle,
tricuspid valve Right atrium, tricuspid valve, right ventricle, pulmonary valve Right ventricle,
pulmonary valve, ight atrium, tricuspid valve. What layer lines the chambers of the heart?
Multiple Cholce Epicardium Pericardium Endocardium Myocardium What causes the P wave on
an ECG? Multiple Choice Repolarization of atrial myocardium Repolarization of ventricular
myocardium Depolarization of ventricular myocardium Depolarization of atrial myocardium
What happens in the condition called mitral valve prolapse? Multiple Choice One or more cusps
2. bulge into the left atrium during ventricular contraction. One or more cusps bulge into the left
ventricle during ventricular relaxation. The mitral valve has hardened, narrowing the opening
into the ventricle. The cusps of the mitral valve become immovable.
