PU Placenta and Amniotic Fluid Evaluation

Question 1

What is placenta previa?

Accepted Answer

A placenta that covers or is adjacent to the internal cervical os

Answer

Placenta previa occurs when the placenta is implanted in the lower uterine segment, partially or completely covering the internal cervical os.

Question 2

What AFI value defines oligohydramnios?

Accepted Answer

Less than 5 cm

Answer

Oligohydramnios is diagnosed when the amniotic fluid index (AFI) is less than 5 cm, indicating a dangerously low level of amniotic fluid.

Question 3

Which ultrasound finding is associated with placenta accreta spectrum?

Accepted Answer

Loss of the retroplacental hypoechoic zone

Answer

Loss of the normal retroplacental hypoechoic (clear) zone between the placenta and myometrium is a key ultrasound sign of placenta accreta.

Question 4

What is polyhydramnios defined as using the AFI?

Accepted Answer

AFI greater than 24 cm

Answer

Polyhydramnios is diagnosed when the AFI exceeds 24 cm, indicating excess amniotic fluid that may be associated with fetal anomalies or maternal diabetes.

Question 5

What is the single deepest pocket (SDP) method used to evaluate?

Accepted Answer

Amniotic fluid volume

Answer

The single deepest pocket method measures the largest vertical pocket of amniotic fluid free of fetal parts or umbilical cord to assess amniotic fluid volume.

PU - Pregnancy Ultrasound Certification Practice Test

PU - Pregnancy Ultrasound Certification Practice Test

PU Placenta and Amniotic Fluid Evaluation