OB ultrasound High Risk pregnancies

At what gestational age is the plasma protein A (PAPP-A) and free β-hCG test used with ultrasound to measure NT and the presence of a nasal bone?

• 8-10 weeks

• 11-14 weeks

• 15-18 weeks

• 20-24 weeks

The low-risk Quad screen includes which of the following markers?

• AFP, hCG, unconjugated estriol, and inhibin-A

• AFP, hCG, progesterone, and estradiol

• hCG, inhibin-A, progesterone, and estradiol

• AFP, estriol, progesterone, and inhibin-B

At what gestational age is a detailed fetal anatomic survey by ultrasound usually performed?

• 18-20 weeks

• 10-12 weeks

• 22-24 weeks

• 28-30 weeks

Maternal disease places a pregnancy at risk because of the possibility of early zygote or embryonic destruction or the development of major malformations.

• True

• False

What is the major physiologic function of the placenta in preventing the transmission of diseases?

• Exchange gas, nutrients, and waste products between mom and baby

• Produce hormones

• Store nutrients

• Protect against all infectious agents

Fill in the blank: Hypertension decreases ________ blood flow, which leads to growth restriction.

• uteroplacental

• renal

• pulmonary

• hepatic

If the placenta is injured due to maternal diseases, what system can be compromised?

• The placental vascular system

• The digestive system

• The skeletal system

• The nervous system

Doppler imaging provides information about fetoplacental circulation.

• True

• False

Which of the following terms refers to a mummified fetus seen in cases of fetal death?

• Fetus papyraceus

• Spalding sign

• Abdominal gas

• Exaggerated curvature

Which of the following is a sign of fetal death seen on ultrasound?

• Spalding sign

• Fetus papyraceus

• Abdominal gas

• All of the above