OBGYN COMAT TEST QUESTIONS AND ANSWER
OBGYN COMAT TEST QUESTIONS AND
ANSWER
Question 1
When can fetal heart tones be detected w/doppler?
Correct Answer
10-12 weeks
Question 2
When is fetal movement appreciated?
Correct Answer
17-18 weeks
Question 3
When should you get a "quantitative" beta-hCG
Correct Answer
-to diagnose & follow ectopic pregnancy
-monitor trophoblastic dz
-screen for fetal aneuploidy
Question 4
What supplement is given in pregnancy to decrease neural tube defects for all
reproductive-age women?
Correct Answer
Folic acid supplements
Page 1 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 5
What additional supplements are given for complete vegeterians
Correct Answer
vitamin D & vitamin B12
Question 6
What kind of immunoglobulins can cross the placenta?
Correct Answer
IgG
Question 7
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).
Question 8
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
Question 9
When is a quad screen conducted?
Correct Answer
15-22 weeks
Page 2 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 10
When's an ultrasound for full anatomic screen done?
Correct Answer
18-20 weeks
Question 11
When is the 1 hr glucose challenge test for gestational DM done?
Correct Answer
24-28 weeks
Question 12
When is RhoGAM given to Rh- women?
Correct Answer
28-30 weeks
Question 13
When's GBS culture done?
(and cervical culture for N gonorrhoeae & Chlamydia in selected populations).
Correct Answer
35-40 weeks or 32-37 weeks
Question 14
when can a nuchal transparency test be ordered?
Correct Answer
9-14 weeks
Page 3 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 15
4 elements of the Quad Screen
Correct Answer
maternal serum AFP
B-hCG
Estradiol
Inhibin A
Question 16
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)
Question 17
What's associated with REDUCED maternal serufm AFP (MSAFP)
(<0.5 MoM)
Correct Answer
Trisomy 21 & 18
Fetal demise
Inaccurate gestational dating
Question 18
Quad screen in trisomy 18
Correct Answer
all are decreased
(still "UNDERage" at age 18)
Page 4 of 38
OBGYN COMAT TEST QUESTIONS AND
ANSWER
Question 1
When can fetal heart tones be detected w/doppler?
Correct Answer
10-12 weeks
Question 2
When is fetal movement appreciated?
Correct Answer
17-18 weeks
Question 3
When should you get a "quantitative" beta-hCG
Correct Answer
-to diagnose & follow ectopic pregnancy
-monitor trophoblastic dz
-screen for fetal aneuploidy
Question 4
What supplement is given in pregnancy to decrease neural tube defects for all
reproductive-age women?
Correct Answer
Folic acid supplements
Page 1 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 5
What additional supplements are given for complete vegeterians
Correct Answer
vitamin D & vitamin B12
Question 6
What kind of immunoglobulins can cross the placenta?
Correct Answer
IgG
Question 7
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).
Question 8
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
Question 9
When is a quad screen conducted?
Correct Answer
15-22 weeks
Page 2 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 10
When's an ultrasound for full anatomic screen done?
Correct Answer
18-20 weeks
Question 11
When is the 1 hr glucose challenge test for gestational DM done?
Correct Answer
24-28 weeks
Question 12
When is RhoGAM given to Rh- women?
Correct Answer
28-30 weeks
Question 13
When's GBS culture done?
(and cervical culture for N gonorrhoeae & Chlamydia in selected populations).
Correct Answer
35-40 weeks or 32-37 weeks
Question 14
when can a nuchal transparency test be ordered?
Correct Answer
9-14 weeks
Page 3 of 38
, OBGYN COMAT TEST QUESTIONS AND ANSWER
Question 15
4 elements of the Quad Screen
Correct Answer
maternal serum AFP
B-hCG
Estradiol
Inhibin A
Question 16
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)
Question 17
What's associated with REDUCED maternal serufm AFP (MSAFP)
(<0.5 MoM)
Correct Answer
Trisomy 21 & 18
Fetal demise
Inaccurate gestational dating
Question 18
Quad screen in trisomy 18
Correct Answer
all are decreased
(still "UNDERage" at age 18)
Page 4 of 38
