Using our criteria for living things- decide whether a virus is classi.docx

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Using our criteria for living things, decide whether a virus is classified as alive. Here are some virus facts: A virus is highly ordered. Viruses can evolve over time. Although viruses can infect a wide range of organisms, they cannot reproduce on their own. Are viruses alive? YES or NO? HINT:- You must defend your answer with as much scientific evidence as possible. Be sure to include biological concepts such as cellular structure and function and the characteristics of life, in your response. .

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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.

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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.

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