Ultrasound Early OB / Gyne

Question 1

When does the trilaminar embryonic disc form
A) during organogenesis
B) during implantation
C) during neurulation
D) during gastrulation

Answer 1

D) during gastrulation

Question 1

an incomplete abortion is defined as
A) spontaneous abortion with retained products of conception
B) anembryonic abortion
C) heterotopic pregnancy
D) subchorionic hemorrhage

Answer 1

A) spontaneous abortion with retained products of conception

Question 2

what is a heterotopic pregnancy
A) a cervical ectopic pregnancy
B) a fertility assisted pregnancy
C) an abdominal ectopic pregnancy
D) coexisting intrauterine pregnancy and ectopic pregnancy

Answer 2

D) coexisting intrauterine pregnancy and ectopic pregnancy

Question 3

in a ruptured ectopic pregnancy which section of the fallopian tube is potentially the most life threatening
A) ligamentous
B) ampulla
C) interstitial
D) fimbrial

Answer 3

C) interstitial

Question 4

Which of the following is NOT an indication of ectopic pregnancy
A) fluid in the cul-de-sac
B) adnexal mass
C) double decidual ring
D) fluid within the endometrial cavity

Answer 4

C) double decidual ring

Question 5

all of the following suggest an abnormal early pregnancy except
A) fundal implantation
B) dilated cervix
C) poor decidual ring
D) fluid around the sac

Answer 5

A) fundal implantation

Question 6

Normal embryonic midgut herniation occurs approx
A) 6 menstrual weeks
B) 8 menstrual weeks
C) 10 menstrual weeks
D) 12 menstrual weeks

Answer 6

B) 8 menstrual weeks

Question 7

Which of the following findings does NOT suggest a spontaneously aborted pregnancy
A) irregularly shaped gestational sac containing complex echogenic material
B) heavy bleeding and cramping with clots
C) rapidly falling beta-hCG levels
D) large, empty gestational sac

Answer 7

D) large empty gestational sac

Question 8

which of the following structures is NOT associated with the embryologic development of the soft and hard palates
A) pharyngeal arches
B) lateral palatine processes
C) secondary palate
D) somites

Answer 8

D) somites

Question 9

Approximately what percentage of fetal blood flows across the foramen pvale into the left atrium
A) 20%
B) 30%
C) 40%
D) 60%

Answer 9

C) 40%

Question 10

sonographically, fetal gender cannot be anatomically differentiated until what gestational age
A) 10 weeks
B) 13 weeks
C) 16 weeks
D) 20 weeks

Answer 10

C) 16 weeks

Question 11

a rule if thumb for normal renal growth is approximately
A) 5 mm per week of gestation
B) 1 mm per week of gestation
C) 3 mm per week of gestation
D) 2 mm per week of gestation

Answer 11

B) 1 mm per week of gestation

Question 12

which statement about fetal brain anatomy is true
A) the CSP is seen in the posterior fossa
B) ventricular measurements are consistent throughout the 2nd and 3rd trimester
C) cerebral peduncles are at the level of the ventricles
D) BPD and HC measurements are taken at the level of the cerebellum

Answer 12

B) ventricular measurements are consistent throughout the 2nd and 3rd trimester

Question 13

the anastomotic network of arteries located at the base of the brain is called
A) circle of willis
B) internal carotid arteries
C) sylvian fissure
D) posterior cerebral arteries

Answer 13

A) circle of willis

Question 14

in ruling out hydrocephalus, where would one first begin to see enlargement
A) lateral ventricle atria
B) posterior fossa
C) cisterna magna
D) third ventricle

Answer 14

A) lateral ventricle atria

Question 15

if you are observing the fetal forearm in the anatomic position, which of the following statements about the ulna would be true
A) the ulna is longer that the radius proximally
B) the ulna is positioned lateral to the radius
C) the ulna and the radius end at the same level distally
D) A & B

Answer 15

A) the ulna is longer that the radius proximally

Question 16

the distal femoral epiphysis is demonstrated sonographically at
A) 14 -16 weeks
B) 18 - 20 weeks
C) 22-24 weeks
D) 28-30 weeks
E) 33 - 35 weeks

Answer 16

E) 33 - 35 weeks

Question 17

the placenta develops from the
A) chorion
B) decidua
C) amnion
D) A & B

Answer 17

D) A & B

Question 18

the maternal side of the developing placenta is refereed to as
A) decidua parietalis
B) decidual chorion
C) decidua basalis
D) decidua capsularis

Answer 18

C) decidua basalis

Question 19

what term refers to an accessory placental lobe
A) battledore
B) circumvallate
C) membranacea
D) succenturiate

Answer 19

D) succenturiate

Question 20

a placenta that has 2 equally sized lobes connected by vessels is called
A) membranous placenta
B) bipartite placenta
C) circumvallate placenta
D) lobar placenta

Answer 20

B) bipartite placenta

Question 21

invasion and perforation of the uterine wall by placental villi is called
A) placenta accreta
B) placenta percreta
C) placenta increta
D) placental abruption

Answer 21

B) placenta percreta