OB Quiz 10 2025/2026 – Complete Study Guide, Review Questions & Answers

OB quiz 10
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1. Identify the inner layer of the amniotic membranes. Amnion
Select one:
A. Chorion
B. Amnion
C. Dichorionic
D. Diamniotic

2. Fetal death and the retention of the fetus can result in Fetal papyraceus
what type of process?
Select one:
A. Fetal papyraceus
B. Vanishing twin
C. Vasa previa
D. TRAP sequence

3. Identify the Doppler parameter, which confirms the . Umbilical cord flow rever-
presence of an acardiac twin. sal
Select one:
A. Increased flow velocities in the MCA
B. Decreased resistance in umbilical cord flow
C. Lack of flow in the umbilical artery
D. Umbilical cord flow reversal

4. Choose the fetal cause of IUGR A. Varicella zoster
A. Varicella zoster
B. Placental abruption
C. Preterm birth
D. Sibling with IUGR

5. How many chromosomes are found in a gamete? 23
Select one:
A. 22



, OB quiz 10
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B. 23
C. 46
D. 46XY

6. Identify the X-linked recessive disorder. . Color blindness
Select one:
A. Trisomy 21
B. Edward syndrome
C. Color blindness
D. Potter sequence

7. Name the lab values included in a quadruple screen. C. Maternal levels of AFP,
Select one: uE3, hCG, and inhibin A
A. Fetal levels of AFP, uE3, hCG, and amniotic fluid
Fetal levels of AFP, uE3, hCG, and A (PAPP-A)
C. Maternal levels of AFP, uE3, hCG, and inhibin A
D. Maternal levels of AFP, uE3, hCG, and albumin

8. Sonographic findings of fetal hydrops in Rh sensitiza- c. thinning placenta
tion include all except which of the following?
Select one:
a. pleural effusion
b. polyhydramnios
c. thinning placenta
d. pericardial effusion

9. Which placental problem coexists with maternal Infarcts
preeclampsia?
Select one:
A. Choriocarcinoma
B. Lack of lakes
C. Infarcts
D. Decreased flow ratios