Q. No.The location of ovaries in the human body would most accurately be described as:
1.
upper abdominal cavity
2.
lower thoracic cavity
3.
upper pelvic cavity
4.
retroperitoneal
Epithelial linings of the digestive tract is derived from the embryonic:
1. ectoderm
2. mesoderm
3. endoderm
4. allantois
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 |
Within the fetus, much of the circulating blood bypasses the lungs and flows through the ______________.
1. ductus venosus
2. umbilical vein
3. umbilical artery
4. ductus arteriosus
The developing embryo gets implanted on the wall of uterine endometrium at the stage of:
1. gastrula
2. blastocyst
3. morula
4. zygote
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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 |
The most critical period of gestation where the fetus is most vulnerable to genetic birth defects from drugs taken by the mother is:
| 1. | last trimester | 2. | third to sixth month |
| 3. | first trimester | 4. | a week prior to parturition |
Implantation does not:
1. involve a blastocyst
2. occur in the uterine tube
3. establishes pregnancy
4. occurs by seventh-eighth day
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Seminal plasma has contributions of all the following except:
1. bulbourethral glands.
2. testes.
3. seminal vesicles.
4. prostate gland
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