Q. No.
Women who consume the drug thalidomide for relief from vomiting during the early months of pregnancy give birth to children with :
| 1. | No spleen | 2. | Harelip |
| 3. | Extra fingers and toes | 4. | Underdeveloped limbs |
The first hormone ever produced by you in your life would be:
| 1. | Androgen-like testosterone |
| 2. | Progesterone which is a precursor of both estrogen and testosterone |
| 3. | Testes determining factor |
| 4. | Human chorionic gonadotropin |
The functions of the placenta include:
| I: | Acts as an excretory organ. |
| II: | Acts as a respiratory organ. |
| III: | Acts as an endocrine organ. |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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The level of which of the following hormones is increased several folds in the maternal blood when compared with a non-pregnant stage?
| 1. | hCG | 2. | hPL |
| 3. | Relaxin | 4. | Thyroxine |
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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 |
In a normal pregnant woman, total gonadotropin activity was assessed. The expected result was :
| 1. | High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo |
| 2. | High level of circulating HCG to stimulate endometrial thickening |
| 3. | High levels of FSH and LH in the uterus to stimulate endometrial thickening |
| 4. | High level of circulating HCG to stimulate oestrogen and progesterone synthesis |
The uterine contractions [labor pains] are initiated due to:
1. An increase in estrogen secretion
2. A decrease in oxytocin secretion
3. An increase in the progesterone: estrogen ratio
4. A decrease in FSH and LH
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Progesterone, like hCG, is necessary to prevent spontaneous abortion. |
| Reason (R): | Progesterone suppresses myometrium contractility. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
A hormone secreted by the placenta and used in pregnancy to develop fetal metabolism and general growth and development is:
| 1. | Thyroxin | 2. | Cortisol |
| 3. | hPL | 4. | hCG |
Chorion in terrestrial vertebrate embryos:
| 1. | prevents desiccation of the embryo |
| 2. | helps in the exchange of oxygen and carbon dioxide with the environment |
| 3. | perform excretory functions |
| 4. | acts as a shock absorber |
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