Obstetric Sonography Overview

Question 1

Where is AFP produced?

Answer 1

Fetal yolk sac, fetal liver, and fetal GI tract

Question 2

What’s the estrogenic hormone produced by the placenta?

Answer 2

Estriol

Question 3

Where is hCG produced?

Answer 3

Trophoblastic cells of early placenta

Question 4

What is inhibin A?

Answer 4

A hormone secreted by the placenta during pregnancy

Question 5

Pallor

Answer 5

Paleness

Question 6

Where is pregnancy associated plasma protein A produced (PAPP-A)?

Answer 6

Placenta

Question 7

What does the quadruple screening consist of?

Answer 7

hCG, ADP, estriol and inhibin A

Question 8

In the second trimester, painless vaginal bleeding usually indicates:

Answer 8

Placental previa

Question 9

In the second trimester, painful vaginal bleeding usually indicates:

Answer 9

Placental abruption

Question 10

Most common pelvic mass in a pregnant patient?

Answer 10

CLC

Question 11

All of the following may be visualized at the correct level of HC except: 3rd ventricle, thalamus, CSP or falx cerebelli

Answer 11

Falx cerebelli

**cerebri

Question 12

Which of the following would not be decreased in the presence of Edwards syndrome? Estriol, hCG, AFP, all would be decreased

Answer 12

All would be decreased