Polar bodies:
1. | serve both as a dumping ground for extra sets of chromosomes and ensure that the ovum will have most of the cytoplasm. |
2. | get rid of of defective sets of chromosomes. |
3. | have no function. |
4. | prevent twin pregnancies. |
The term used to describe the changes that happen to the sperm inside the female reproductive tract that allows the sperm to become capable of fertilizing the egg is:
1. | spermiogenesis | 2. | the acrosomal reaction |
3. | capacitation | 4. | implantation |
Identify the correct chronological order of the events given:
1. | acrosomal reaction, decidual reaction, capacitation, implantation, cleavage |
2. | acrosomal reaction, capacitation, cleavage, decidual reaction, implantation |
3. | capacitation, implantation, cleavage, acrosomal reaction, decidual reaction |
4. | capacitation, acrosomal reaction, cleavage, implantation, decidual reaction |
Oxygen rich blood and nutrients are transported to the fetus by:
1. | inferior vena cava | 2. | umbilical vein |
3. | umbilical artery | 4. | hepatic portal vein |
Erythropoiesis in the earliest days of gestation is the function of:
1. | yolk sac | 2. | chorion |
3. | fetal bone marrow | 4. | amnion |
A second pregnancy during an ongoing pregnancy is prevented by:
1. | Estrogen | 2. | HPL |
3. | progesterone | 4. | HCG |
Type B spermatogonia divide to form:
1. | Type A spermatogonia. | 2. | spermatids. |
3. | a primary spermatocyte. | 4. | a secondary spermatocyte |
Identify the cell that can be seen in primordial, primary, secondary and tertiary follicle :
1. | oogonium | 2. | primary oocyte |
3. | secondary oocyte | 4. | ovum |
The number of mature ova produced by a young, healthy, nonpregnant adult woman each year would be:
1. | 0 | 2. | 6 |
3. | 12 | 4. | 24 |
Identify the correct statement:
1. | GnRH stimulates the production of estrogen [in females] or testosterone [in males] directly |
2. | LH stimulates ovulation (female) or spermatogenesis (male) |
3. | FSH initiates and maintains the development of accessory sex organs (both sexes) |
4. | estrogen stimulates oogenesis (female only) |
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