Rat2 embryology 2018
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This document contains questions about early human development from conception through the embryonic and fetal periods. It asks about the structures and layers present in early embryos, the process of gastrulation, molecules involved in development, formation of germ layers and tissues like the mesoderm and somites, stages of neurulation, development of organs and tissues, functions of amniotic fluid and the placenta, risks related to blood type incompatibility between mother and fetus, calculating gestational age based on a woman's last menstrual period, and identifying derivatives of embryonic structures and developmental stages.
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Question
1.
Degenerative heart and blood vessel disease is one of the most common and serious effects of aging.
a.
b.
2.
The entire collection of genetic material in each typical cell is called:
a.
b.
3.
The term "fetal phase" is used to indicate the period of development extending from week 9 to week 39.
a.
b.
4.
Infertility is the inability to conceive when desired.
a.
b.
5.
The essential organ of the male reproductive system is the:
a.
b.
c.
d.
6.
Gene mutation __________ be beneficial.
a.
b.
7.
By the third month, all organ systems are complete and in place.
a.
b.
8.
The process of egg formation is called:
a.
b.
c.
d.
9.
The foreskin on the male is also known as the:
a.
b.
c.
d.
10.
The science of the development of the individual before birth is called neonatology.
a.
b.
11.
Which of the following is not a sexually transmitted disease (STD)?
a.
b.
c.
d.
12.
Fibroid tumors are rare in women during their menstrual years.
a.
b.
13.
The hormone that causes the follicle to rupture and the ovum to be expelled is:
a.
b.
c.
d.
14.
Which of the following is not an accessory sex organ to the female reproductive system?
a.
b.
c.
d.
15.
Occasionally, a baby is born with undescended testes. When this occurs, the condition is known as:
a.
b.
c.
d.
16.
The layer of the uterus from which tissue is sloughed during menstruation is the:
a.
b.
c.
d.
17.
A Punnett square is a chart or grid used in genetic counseling to determine the probability of inheriting genetic traits.
a.
b.
18.
In 90 percent of Down syndrome individuals, the additional chromosome comes from the mother's ova.
a.
b.
19.
Many of the developmental changes that occur during childhood are controlled by the secretion of sex hormones and are classified as secondary sex characteristics.
a.
b.
20.
A pedigree is an organized profile of a person's chromosomes.
a.
b.
21.
Oogenesis requires:
a.
b.
22.
Osteoarthritis is common in adulthood.
a.
b.
23.
Early in infancy, the baby has only one spinal curvature.
a.
b.
24.
Candida albicans is an infection that is characterized by leukorrhea.
a.
b.
25.
The muscular layer of the uterus is called the:
a.
b.
c.
d.
...
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Embryology deals with human development from fertilization through the first 8 weeks, known as the embryonic period. Key processes include fertilization, cleavage, differentiation of the germ layers (ectoderm, endoderm, mesoderm), implantation, formation of the embryonic disc and germ layers, and development of the major organ systems. During the first trimester, the embryo develops most of its major structures. In the second trimester, growth and development of organs continues. The third trimester places increased demands on the mother as the fetus grows and develops further in preparation for birth.
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Midwifery and obstetrical nursing quiz
The document contains a 40 question quiz about midwifery and obstetrical nursing. The questions cover topics like amniocentesis, in vitro fertilization, contraception methods, sexually transmitted diseases, fetal development, the menstrual cycle, and hormones involved in reproduction. The key is provided with the correct answer for each multiple choice question.
Question1.Degenerative heart and blood vessel disease is one o.docx
Question
1.
Degenerative heart and blood vessel disease is one of the most common and serious effects of aging.
a.
b.
2.
The entire collection of genetic material in each typical cell is called:
a.
b.
3.
The term "fetal phase" is used to indicate the period of development extending from week 9 to week 39.
a.
b.
4.
Infertility is the inability to conceive when desired.
a.
b.
5.
The essential organ of the male reproductive system is the:
a.
b.
c.
d.
6.
Gene mutation __________ be beneficial.
a.
b.
7.
By the third month, all organ systems are complete and in place.
a.
b.
8.
The process of egg formation is called:
a.
b.
c.
d.
9.
The foreskin on the male is also known as the:
a.
b.
c.
d.
10.
The science of the development of the individual before birth is called neonatology.
a.
b.
11.
Which of the following is not a sexually transmitted disease (STD)?
a.
b.
c.
d.
12.
Fibroid tumors are rare in women during their menstrual years.
a.
b.
13.
The hormone that causes the follicle to rupture and the ovum to be expelled is:
a.
b.
c.
d.
14.
Which of the following is not an accessory sex organ to the female reproductive system?
a.
b.
c.
d.
15.
Occasionally, a baby is born with undescended testes. When this occurs, the condition is known as:
a.
b.
c.
d.
16.
The layer of the uterus from which tissue is sloughed during menstruation is the:
a.
b.
c.
d.
17.
A Punnett square is a chart or grid used in genetic counseling to determine the probability of inheriting genetic traits.
a.
b.
18.
In 90 percent of Down syndrome individuals, the additional chromosome comes from the mother's ova.
a.
b.
19.
Many of the developmental changes that occur during childhood are controlled by the secretion of sex hormones and are classified as secondary sex characteristics.
a.
b.
20.
A pedigree is an organized profile of a person's chromosomes.
a.
b.
21.
Oogenesis requires:
a.
b.
22.
Osteoarthritis is common in adulthood.
a.
b.
23.
Early in infancy, the baby has only one spinal curvature.
a.
b.
24.
Candida albicans is an infection that is characterized by leukorrhea.
a.
b.
25.
The muscular layer of the uterus is called the:
a.
b.
c.
d.
...
Embryology .ppt
Embryology deals with human development from fertilization through the first 8 weeks, known as the embryonic period. Key processes include fertilization, cleavage, differentiation of the germ layers (ectoderm, endoderm, mesoderm), implantation, formation of the embryonic disc and germ layers, and development of the major organ systems. During the first trimester, the embryo develops most of its major structures. In the second trimester, growth and development of organs continues. The third trimester places increased demands on the mother as the fetus grows and develops further in preparation for birth.
question 1.Some Events in the Process of Fertilization 1. A singl.pdf
question 1.Some Events in the Process of Fertilization:
1. A single sperm nucleus and an egg nucleus fuse to form a zygote.
2. Many sperm cells travel a path through the outer layer of the egg cell.
3. The egg's plasma membrane is penetrated by a sperm cell.
4. A rapid depolarization of the egg plasma membrane occurs.
The correct sequence to complete the fertilization of the egg is ____, ____, ____, and ____
2. Which of the following statements does NOT correctly describe the events following
fertilization?
a. The trophoblast has an important role in maintaining the pregnancy, as it prevents the
endometrium from shedding.
b. Only the inner cell mass cells in a blastocyst are pluripotent.
c. As hCG takes over maintaining the endometrium immediately after implantation, the corpus
luteum degenerates into the corpus albican.
d. All 16 cells in a morula are truly totipotent, meaning that they can become any cells in the
human body
3 . Some structures and events involved in the process of fertilization
1. Zygote
2. Morula
3. Oocyte
4. Fertilization
5. Cleavage
6. Blastocyst
The order in which the structures or events numbered above occur in fertilization is _____,
_____, _____, _____, _____, and _____.
Tutorial mitosis
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Science reviewer set 2nd monthly test
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3. The questions cover topics like the male and female reproductive systems and gametes, fertilization, embryonic development, puberty, and the role of reproduction in population dynamics.
LF & PPG- FINAL EXAM, TOS, & SUMMATIVE TEST.docx
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Quiz 1 The Cell.pptx
Schleiden & Schwann were responsible for the second postulate of the Cell Theory that all living things are made of cells. Anton van Leeuwenhoek was integral to the development of the Cell Theory because he was the first to observe living cells using microscopes he had constructed. Some statements that are considered true include that some living things can exist without cells and that the ability to reproduce does not immediately mean something is a living thing. Viruses are generally considered non-living things.
544F03933AAB917264C73DA52CB_6399A3D5_3A9600.ppt
Embryology is the branch of biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses. Additionally, embryology encompasses the study of congenital disorders that occur before birth. Here's a breakdown of the major areas within embryology:
Gametogenesis: This is the process by which male and female sex cells are formed. In males, it’s called spermatogenesis and involves the formation of sperm cells. In females, it’s called oogenesis and involves the formation of egg cells.
Fertilization: This is the process where the sperm cell joins with an egg cell, leading to the formation of a zygote. This marks the beginning of the embryo's development.
Embryonic Development: Post fertilization, the zygote begins a series of rapid divisions called cleavage, leading to the formation of a multicellular stage known as a blastocyst. The blastocyst then implants in the uterine wall, where it develops into an embryo. During this stage, the basic body plan and primary tissue layers (endoderm, mesoderm, and ectoderm) are established.
Fetal Development: After the initial stages of embryonic development, the developing organism is referred to as a fetus. This period is characterized by the rapid growth and maturation of tissues and organs that were formed during the embryonic period.
Teratology: This is the study of abnormalities of physiological development. It often focuses on congenital birth defects, their causes, and their prevention.
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Question1.Degenerative heart and blood vessel disease is one o.docx
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question 1.Some Events in the Process of Fertilization 1. A singl.pdf
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Rat2 embryology 2018
- 1. 1. What are the … of the 9 days embryo? a. 2 layers of embryonic disk b. 2 layers of trophoblast c. 2 extra-embryonic cavities 2. What is the characteristic which differentiate: a. Secondary villi to the primary villi? b. Tertiary villi to the secondary villi? 3. What are the 4 layers crossed by the gases, nutriments from trophoblastic lacunae to the villi blood?
- 2. 4. What are…? a. 6 mains developmental events during the 3rd week. b. 4 parts of the gastrulation. c. 4 parts of the gastrulating apparatus (structure). d. Derivate of the 1st cells that pass through the gastrulating structure. e. 3 roles of the notochord
- 3. 5. What are the roles of the following molecules? a. HNF-3β b. Lim1 c. BMP-4 d. FGF-8 e. Noggin f. Retinoic acid g. Cordin h. Homeobox i. PAX
- 4. 6. What are the…? a. 3 parts of the embryonic mesoderm b. 3 parts of somite 7. 4 step of the 2nd neurulation? 8. What are …? a. First hematopoietic tissue in embryo b. Location of the cardiogenic area c. Beginning of heart beat d. 2 layers of the lateral mesoderm plate and derivate of each e. 4 embryonic germ layers f. 3 parts of the ectoderm g. 5 secondary brain vesicles
- 5. 9. What is the most direct primordial of the following adult organ? a. Cornea b. Cochlea c. Aortic semi-lunar cusps d. Ovary e. Bronchi f. Biceps brachii g. nucleus pulposus h. Vertebra i. Spinal ganglion j. Pancreas
- 6. 10. What are…? a. 4 functions of amniotic fluid b. 3 causes of hydramnios c. 4 derivates of allantois d. 4 functions of the placenta e. Unit of the placenta 11. About hemolytic disease of the newborn: a. What is the susceptible fetus-mother couple? b. How the 1st susceptible fetus can be affected? c. What is the preventive tool?
- 7. 12. A lady with a regular menstrual of 28 days has had her menses from 10-5-2018 to 14-5-2018. a. What was her expected next menstrual day? b. What was her last ovulation day? c. If she may be pregnant, at which age and stage is the embryo/fetus today? d. What is the best investigation at this stage? e. What is her Expected Delivery Day (EDD)?
- 8. 1 2 3 4 5 6 7 8 9 10 11 I.
- 10. 1 2 3 4 5 7 6 8 9 10 III. Name 1 derivate of: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
- 11. 1 2 3 45 6 7 8 9 IV. Identify 1, 2, 3, 4, 5, 6, 7, 8, 9. 10 10