Wk. 4 DMS 400: First Trimester OB Questions With
Complete Solutions
A 22-year-old pregnant woman is seen in the sonography
department with heavy bleeding and cramping. She had a
sonogram 1 week prior because of an episode of spotting, which
revealed a 6-week embryo. The current sonogram reveals a
uterus without evidence of an embryo or gestational sac. This is
most consistent with which of the following? Correct Answers
spontaneous abortion
A 24-year-old woman with a positive pregnancy test result and
pelvic pain is seen for an ultrasound. She has a history of pelvic
inflammatory disease. The ultrasound reveals a uterus
containing an anechoic sac that lacks a double decidual sac sign
with a moderate amount of cul-de-sac fluid. This is most
suspicious for which of the following? Correct Answers ectopic
pregnancy
A gestational sac should be identified transvaginal once the hCG
level reaches: Correct Answers 1000 mlU/mL
A secondary yolk sac measuring greater than what measurement
is considered to be abnormal and suspicious for abnormal
pregnancy development? Correct Answers 6 mm
A sonographic evaluation at 10 weeks' gestation reveals a small
anterior abdominal wall defect. What is the most likely
diagnosis at this gestational age? Correct Answers physiologic
gut herniation
, An 18-year-old woman is seen by her gynecologist with a 1-
week history of spotting. She reports that she had a positive
urine pregnancy test result after a missed period 7 weeks ago.
Sonographic evaluation reveals an intrauterine sac with an
embryo, without a heartbeat, measuring 6 weeks' gestation. This
is consistent with which of the following? Correct Answers
missed abortion
An obstetrical patient presents with a history of pelvic cramping
and spotting. Serial hCG levels demonstrate a rapid decline.
Based on this clinical history, the sonogram is most consistent
with a/n: Correct Answers complete abortion
Chorionic villi are more prolific Correct Answers near the
implantation site
During a 12-week sonogram, bilateral echogenic structures are
noted within the lateral ventricles of the fetal cranium. These
structures most likely represent: Correct Answers choroid
plexus
During a first-trimester sonogram, you note a round, cystic
structure within the fetal head. This most likely represents the:
Correct Answers rhombencephalon
Evidence of a developing intrauterine pregnancy should be
recognized endovaginally with a serum beta-hCG (IRP) of:
Correct Answers 1000 to 2000 mlU/mL
Fertilization typically occurs within ____ after ovulation.
Correct Answers 24 hours
Complete Solutions
A 22-year-old pregnant woman is seen in the sonography
department with heavy bleeding and cramping. She had a
sonogram 1 week prior because of an episode of spotting, which
revealed a 6-week embryo. The current sonogram reveals a
uterus without evidence of an embryo or gestational sac. This is
most consistent with which of the following? Correct Answers
spontaneous abortion
A 24-year-old woman with a positive pregnancy test result and
pelvic pain is seen for an ultrasound. She has a history of pelvic
inflammatory disease. The ultrasound reveals a uterus
containing an anechoic sac that lacks a double decidual sac sign
with a moderate amount of cul-de-sac fluid. This is most
suspicious for which of the following? Correct Answers ectopic
pregnancy
A gestational sac should be identified transvaginal once the hCG
level reaches: Correct Answers 1000 mlU/mL
A secondary yolk sac measuring greater than what measurement
is considered to be abnormal and suspicious for abnormal
pregnancy development? Correct Answers 6 mm
A sonographic evaluation at 10 weeks' gestation reveals a small
anterior abdominal wall defect. What is the most likely
diagnosis at this gestational age? Correct Answers physiologic
gut herniation
, An 18-year-old woman is seen by her gynecologist with a 1-
week history of spotting. She reports that she had a positive
urine pregnancy test result after a missed period 7 weeks ago.
Sonographic evaluation reveals an intrauterine sac with an
embryo, without a heartbeat, measuring 6 weeks' gestation. This
is consistent with which of the following? Correct Answers
missed abortion
An obstetrical patient presents with a history of pelvic cramping
and spotting. Serial hCG levels demonstrate a rapid decline.
Based on this clinical history, the sonogram is most consistent
with a/n: Correct Answers complete abortion
Chorionic villi are more prolific Correct Answers near the
implantation site
During a 12-week sonogram, bilateral echogenic structures are
noted within the lateral ventricles of the fetal cranium. These
structures most likely represent: Correct Answers choroid
plexus
During a first-trimester sonogram, you note a round, cystic
structure within the fetal head. This most likely represents the:
Correct Answers rhombencephalon
Evidence of a developing intrauterine pregnancy should be
recognized endovaginally with a serum beta-hCG (IRP) of:
Correct Answers 1000 to 2000 mlU/mL
Fertilization typically occurs within ____ after ovulation.
Correct Answers 24 hours
