1. Fetal Period: SA Question 1 During the fetal period, the head growth is much slower than the rest of the body. A. True B. False 1

2. Fetal Period: SA Question 1 Answer During the fetal period, the head growth is much slower than the rest of the body. A. True CORRECT ANSWER B. False 2

3. The Fetal Period: Ninth Week to Birth 3

4. Fetal Period: SA Question 2 In a fetus, foot length correlates well with crown-rump length. A. True B. False 4

5. Fetal Period: SA Question 2 Answer In a fetus, foot length correlates well with crown-rump length. A. True CORRECT ANSWER B. False 5

6. Fetal Period: SA Question 3 One of the major determinants of the survivability of a premature baby is the development of the lungs and pulmonary vasculature. A. True B. False 6

7. Fetal Period: SA Question 3 Answer One of the major determinants of the survivability of a premature baby is the development of the lungs and pulmonary vasculature. A. True CORRECT ANSWER B. False 7

8. Fetal Period: SA Question 4 The external genitalia of males and females are distinct before the end of the eighth week. A. True B. False 8

9. Fetal Period: SA Question 4 Answer The external genitalia of males and females are distinct before the end of the eighth week. A. True B. False CORRECT ANSWER 9

10. Fetal Period: SA Question 5 Intrauterine growth restriction can result from: A. Maternal vascular disease B. Intrauterine infection C. Cigarette smoking D. Alcohol consumption E. All of the above 10

11. Fetal Period: SA Question 5 Answer Intrauterine growth restriction can result from: A. Maternal vascular disease B. Intrauterine infection C. Cigarette smoking D. Alcohol consumption E. All of the above Correct Answer 11

12. Fetal Period: SA Question 6 Vernix caseosa is: A. A greasy, cheeselike material that covers the skin of a fetus B. Dead epidermal cells C. Secretions from the fetal sebaceous glands D. A and C E. All of the above 12

13. Fetal Period: SA Question 6 Answer Vernix caseosa is: A. A greasy, cheeselike material that covers the skin of a fetus B. Dead epidermal cells C. Secretions from the fetal sebaceous glands D. A and C E. All of the above Correct Answer 13

14. Fetal Period: SA Question 7 Which of the following procedures will detect a specific genetic disorder: A. Ultrasonography B. Amniocentesis C. Alpha-fetoprotein assay D. Chorionic villus sampling E. B, C and D F. B and D G. All of the above 14

15. Fetal Period: SA Question 7 Answer Which of the following procedures will detect a specific genetic disorder: A. Ultrasonography B. Amniocentesis C. Alpha-fetoprotein assay D. Chorionic villus sampling E. B, C and D F. B and D CORRECT ANSWER G. All of the above 15

16. Fetal Period: SA Question 8 Monozygotic twins resulting from a complete separation of the ICM (inner cell mass) into two, non-contiguous cell masses would be expected to have: A. Separate placentae and amniotic cavities B. A shared placenta and a common amniotic cavity C. A shared placenta and separate amniotic cavities D. Separate placentae but a common amniotic cavity E. A shared umbilical cord 16

17. Fetal Period: SA Question 8 Answer Monozygotic twins resulting from a complete separation of the ICM (inner cell mass) into two, non-contiguous cell masses would be expected to have: A. Separate placentae and amniotic cavities B. A shared placenta and a common amniotic cavity C. A shared placenta and separate amniotic cavities CORRECT ANSWER D. Separate placentae but a common amniotic cavity E. A shared umbilical cord 17

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19. Fetal Period: SA Question 9 In dizygotic twins, zygotes that implant close together would be expected to have: A. Separate placentae and amniotic cavities B. Fused placentae and a common amniotic cavity C. Fused placentae and separate amniotic cavities D. Separate placentae but a common amniotic cavity E. A shared umbilical cord 19

20. Fetal Period: SA Question 9 Answer In dizygotic twins, zygotes that implant close together would be expected to have: A. Separate placentae and amniotic cavities B. Fused placentae and a common amniotic cavity C. Fused placentae and separate amniotic cavities CORRECT ANSWER D. Separate placentae but a common amniotic cavity E. A shared umbilical cord 20

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22. Fetal Period: SA Question 10 Fetal growth during the last trimester can be influenced by: A. Smoking B. Poor nutrition C. Twins D. Triplets E. A, C and D F. All of the above 22

23. Fetal Period: SA Question 10 Answer Fetal growth during the last trimester can be influenced by: A. Smoking B. Poor nutrition C. Twins D. Triplets E. A, C and D F. All of the above CORRECT ANSWER 23

24. Fetal Period: SA Question 11 An alpha-fetoprotein assay can be used to determine if the fetus has: A. Central nervous system anomalies B. Ventral abdominal wall anomalies C. Neural tube defects D. All of the above 24

25. Fetal Period: SA Question 11 Answer An alpha-fetoprotein assay can be used to determine if the fetus has: A. Central nervous system anomalies B. Ventral abdominal wall anomalies C. Neural tube defects D. All of the above CORRECT ANSWER 25

26. Discussion Question 5b Answer: What types of fetal anomalies can be detected by an AFP assay of maternal serum? Explain. What is the significance of the AFP levels? Answer: Neural tube defects are indicated by high levels of AFP. Low levels of AFP may indicate Down syndrome. For indications of neural tube defects, ultrasonography would be performed. For indications of Down Syndrome, chromosomal studies would be performed. 26

27. Questions 27