Multiple Choice Questions (MCQ)

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Category: Obstetrics & Gynecology--->Antepartum Care and Fetal Surveillance
Page: 2

Question 6#Print Question

A 32-year-old poorly controlled diabetic G2P1 is undergoing amniocentesis at 38 weeks for fetal lung maturity prior to having a repeat cesarean delivery.

Which of the following laboratory tests results on the amniotic fluid would best indicate that the fetal lungs are mature?

a. Phosphatidylglycerol (PG) is absent
b. Lecithin/sphingomyelin (L/S) ratio of 1:1
c. Lecithin/sphingomyelin ratio of 1.5:1
d. Lecithin/sphingomyelin ratio of 2.0:1
e. Phosphatidylglycerol is present

Question 7#Print Question

A 26-year-old G1P0 patient at 34 weeks’ gestation is being evaluated with Doppler ultrasound studies of the fetal umbilical arteries. The patient is a healthy smoker. Her fetus has shown evidence of intrauterine growth restriction (IUGR) on previous ultrasound examinations. The Doppler studies currently show that the systolic to diastolic ratio (S/D) in the umbilical arteries is much higher than it was on her last ultrasound 3 weeks ago, and there is now reverse diastolic flow.

Which of the following is correct information to share with the patient?

a. The Doppler studies indicate that the fetus is doing well
b. With advancing gestational age, the S/D ratio is expected to rise
c. These Doppler findings are normal in someone who smokes
d. Reverse diastolic flow is normal as a patient approaches full term
e. The Doppler studies are worrisome, and indicate that the fetal status is deteriorating

Question 8#Print Question

A 17-year-old primipara presents to your office at 41 weeks. Her pregnancy has been uncomplicated. Because her cervix is unfavorable for induction of labor, she is being followed with biophysical profile (BPP) testing.

Which of the following is correct information to share with the patient regarding BPPs?

a. BPP testing includes assessment of amniotic fluid volume, fetal breathing, fetal body movements, fetal body tone, and contraction stress testing
b. The false-negative rate of the BPP is 10%, so a reassuring BPP should be repeated in 48 hours
c. False-positive results on BPP are rare even if the amniotic fluid level is low
d. Spontaneous decelerations during BPP testing are associated with significant fetal morbidity
e. A normal BPP should be repeated twice a week

Question 9#Print Question

A patient comes to your office with her last menstrual period 4 weeks ago. She denies any symptoms such as nausea, fatigue, urinary frequency, or breast tenderness. She thinks that she may be pregnant because she has not had her period yet. She is very anxious to find out because she has a history of a previous ectopic pregnancy and wants to be sure to get early prenatal care.

Which of the following actions is most appropriate at this time? 

a. No action is needed because the patient is asymptomatic, has not missed her period, and cannot be pregnant
b. Order a serum quantitative pregnancy test
c. Listen for fetal heart tones by Doppler equipment
d. Perform an abdominal ultrasound
e. Perform a bimanual pelvic examination to assess uterine size

Question 10#Print Question

A patient presents for her first OB visit after having a positive home pregnancy test. She reports her last menstrual period was about 8 weeks ago, but she is not entirely certain because she has a long history of irregular menses. Her urine pregnancy test in your office is positive.

Which of the following is the most accurate way to date this patient’s pregnancy?

a. Determination of uterine size on pelvic examination
b. Quantitative serum human chorionic gonadotropin (HCG) level
c. Crown-rump length on abdominal or vaginal ultrasound
d. Determination of progesterone level along with serum HCG level
e. Precise knowledge of the first day of her last menstrual period

Category: Obstetrics & Gynecology--->Antepartum Care and Fetal Surveillance
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