Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
GPTPAL -
correct answer ✅Gravida - total # OF pregnancies
Parity - # of deliveries
T - term infants
P - premature
A - abortions
L - living children
Naegele's Rule -
correct answer ✅add 7 days to LMP, subtract 3 months, add 1 year
most accurate measurement of the embryo in the first trimester -
correct answer ✅crown-rump length
,Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
Total recommended weight gain in pregnancy -
correct answer ✅normal BMI is *25 to 35 pounds*.
-- first trimester: *3-6 pounds.*
-- second and third trimesters: *0.5 to 1 pound* per week
estimating gestational age and due date -
correct answer ✅
,Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
hCG doubles every:
And peaks around: -
correct answer ✅2-3 days
8-11 weeks, then declines
triple screen test -
correct answer ✅The Triple Test combines the *maternal serum-
AFP, beta hCG, and estriol* serum level values.
-- done during *second trimester (16-18 weeks)*
, Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
-- The hormone level results are used in a formula to figure out the
risk for a Down's syndrome infant. Diagnostic test for genetic
anomalies is chromosome testing.
In the setting of a low PAPP-A and serum β-hCG, one would suspect
the presence of -
correct answer ✅fetal aneuploidy
-- *US (nuchal translucency)* recommended to be conducted at
*weeks 9-13*
-- can detect an estimated 85% of Down syndrome cases as well as
an estimated 97% of trisomy 18.
Indication for amniocentesis and chorionic villus sampling -
correct answer ✅Amnio: *women older than 35* at time of
delivery and *in conjunction with an abnormal MSAFP,* triple, or
quad screen.
CVS: performed as early as 10 weeks gestation. Indications for CVS
include maternal age >35, abnormal first trimester screen,
abnormal ultrasound findings, family history of chromosomal or
genetic disorder, or parents who are known carriers for a genetic
disease
Answers (Grade A+)
GPTPAL -
correct answer ✅Gravida - total # OF pregnancies
Parity - # of deliveries
T - term infants
P - premature
A - abortions
L - living children
Naegele's Rule -
correct answer ✅add 7 days to LMP, subtract 3 months, add 1 year
most accurate measurement of the embryo in the first trimester -
correct answer ✅crown-rump length
,Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
Total recommended weight gain in pregnancy -
correct answer ✅normal BMI is *25 to 35 pounds*.
-- first trimester: *3-6 pounds.*
-- second and third trimesters: *0.5 to 1 pound* per week
estimating gestational age and due date -
correct answer ✅
,Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
hCG doubles every:
And peaks around: -
correct answer ✅2-3 days
8-11 weeks, then declines
triple screen test -
correct answer ✅The Triple Test combines the *maternal serum-
AFP, beta hCG, and estriol* serum level values.
-- done during *second trimester (16-18 weeks)*
, Ob/Gyn COMAT Exam Questions &
Answers (Grade A+)
-- The hormone level results are used in a formula to figure out the
risk for a Down's syndrome infant. Diagnostic test for genetic
anomalies is chromosome testing.
In the setting of a low PAPP-A and serum β-hCG, one would suspect
the presence of -
correct answer ✅fetal aneuploidy
-- *US (nuchal translucency)* recommended to be conducted at
*weeks 9-13*
-- can detect an estimated 85% of Down syndrome cases as well as
an estimated 97% of trisomy 18.
Indication for amniocentesis and chorionic villus sampling -
correct answer ✅Amnio: *women older than 35* at time of
delivery and *in conjunction with an abnormal MSAFP,* triple, or
quad screen.
CVS: performed as early as 10 weeks gestation. Indications for CVS
include maternal age >35, abnormal first trimester screen,
abnormal ultrasound findings, family history of chromosomal or
genetic disorder, or parents who are known carriers for a genetic
disease
