OBGYN COMAT Review Questions with 100%
Correct Answers
When can fetal heart tones be detected w/doppler?
Correct Answer: 10-12 weeks
When is fetal movement appreciated? Correct Answer:
17-18 weeks
When should you get a "quantitative" beta-hCG Correct
Answer: -to diagnose & follow ectopic pregnancy
-monitor trophoblastic dz
-screen for fetal aneuploidy
What supplement is given in pregnancy to decrease
neural tube defects for all reproductive-age women?
Correct Answer: Folic acid supplements
What additional supplements are given for complete
vegeterians Correct Answer: vitamin D & vitamin B12
What kind of immunoglobulins can cross the placenta?
Correct Answer: IgG
,Prenatal screening at the initial visit Correct Answer:
Heme= CBC, Rh factor, Type & Screen
ID= UA & culture, rubella Ab titer, HBsAg, RPR/VDRL,
cervical G/C, PPD, IV, Pap smear (to check for
dysplasia).
If indicated: HbA1C, Sickle cell screening. Can also
discuss genetic screening (Tay-Sachs dz, Cystic Fibrosis).
When are prenatal visits conducted? Correct Answer:
Weeks 0-28= every 4 weeks (7*4=28)
Weeks 29-35= every 2 weeks
Weeks 36-birth= every week
When is a quad screen conducted? Correct Answer: 15-
22 weeks
When's an ultrasound for full anatomic screen done?
Correct Answer: 18-20 weeks
When is the 1 hr glucose challenge test for gestational
DM done? Correct Answer: 24-28 weeks
,When is RhoGAM given to Rh- women? Correct Answer:
28-30 weeks
When's GBS culture done?
(and cervical culture for N gonorrhoeae & Chlamydia in
selected populations). Correct Answer: 35-40 weeks or
32-37 weeks
when can a nuchal transparency test be ordered?
Correct Answer: 9-14 weeks
4 elements of the Quad Screen Correct Answer:
maternal serum AFP
B-hCG
Estradiol
Inhibin A
What's associated with ELEVATED maternal serum AFP
(MSAFP)?
(<2.5 MoMs) Correct Answer: Open neural tube defects
(spina bifida, anencephaly)
, Abdominal wall defects (gastroschisis, omphalocele)
Multiple gestation
Incorrect gestational dating
Fetal death
Placental abnormailities (like rupture)
What's associated with REDUCED maternal serufm AFP
(MSAFP)
(<0.5 MoM) Correct Answer: Trisomy 21 & 18
Fetal demise
Inaccurate gestational dating
Quad screen in trisomy 18 Correct Answer: all are
decreased
(still "UNDERage" at age 18)
Quad screen in Trisomy 21 Correct Answer: Decreased
AFP
Correct Answers
When can fetal heart tones be detected w/doppler?
Correct Answer: 10-12 weeks
When is fetal movement appreciated? Correct Answer:
17-18 weeks
When should you get a "quantitative" beta-hCG Correct
Answer: -to diagnose & follow ectopic pregnancy
-monitor trophoblastic dz
-screen for fetal aneuploidy
What supplement is given in pregnancy to decrease
neural tube defects for all reproductive-age women?
Correct Answer: Folic acid supplements
What additional supplements are given for complete
vegeterians Correct Answer: vitamin D & vitamin B12
What kind of immunoglobulins can cross the placenta?
Correct Answer: IgG
,Prenatal screening at the initial visit Correct Answer:
Heme= CBC, Rh factor, Type & Screen
ID= UA & culture, rubella Ab titer, HBsAg, RPR/VDRL,
cervical G/C, PPD, IV, Pap smear (to check for
dysplasia).
If indicated: HbA1C, Sickle cell screening. Can also
discuss genetic screening (Tay-Sachs dz, Cystic Fibrosis).
When are prenatal visits conducted? Correct Answer:
Weeks 0-28= every 4 weeks (7*4=28)
Weeks 29-35= every 2 weeks
Weeks 36-birth= every week
When is a quad screen conducted? Correct Answer: 15-
22 weeks
When's an ultrasound for full anatomic screen done?
Correct Answer: 18-20 weeks
When is the 1 hr glucose challenge test for gestational
DM done? Correct Answer: 24-28 weeks
,When is RhoGAM given to Rh- women? Correct Answer:
28-30 weeks
When's GBS culture done?
(and cervical culture for N gonorrhoeae & Chlamydia in
selected populations). Correct Answer: 35-40 weeks or
32-37 weeks
when can a nuchal transparency test be ordered?
Correct Answer: 9-14 weeks
4 elements of the Quad Screen Correct Answer:
maternal serum AFP
B-hCG
Estradiol
Inhibin A
What's associated with ELEVATED maternal serum AFP
(MSAFP)?
(<2.5 MoMs) Correct Answer: Open neural tube defects
(spina bifida, anencephaly)
, Abdominal wall defects (gastroschisis, omphalocele)
Multiple gestation
Incorrect gestational dating
Fetal death
Placental abnormailities (like rupture)
What's associated with REDUCED maternal serufm AFP
(MSAFP)
(<0.5 MoM) Correct Answer: Trisomy 21 & 18
Fetal demise
Inaccurate gestational dating
Quad screen in trisomy 18 Correct Answer: all are
decreased
(still "UNDERage" at age 18)
Quad screen in Trisomy 21 Correct Answer: Decreased
AFP
