Blueprints Obstetrics & Gynecology Exam Latest
2024 | Blueprints Obstetrics and Gynecology
Actual Exam 2024-2025 Questions and Correct
Answers Rated A+
At what week gestation does B-HCG peak? -ANSWER-At 10 weeks -
peaks at 100,000 mIU/mL
At what week gestation does an embryo start being called a fetus? -
ANSWER-8 weeks gestation
How early might you start seeing fetal heart beats on US? -ANSWER-6
weeks
At what week gestational age might you first see the gestational sac in the
uterus? -ANSWER-5 weeks
What is the Chadwick sign? -ANSWER-Bluish discoloration of the vagina
and cervix indicating pregnancy
What is the difference between "Gestational age" and "Developmental
age?" -ANSWER-Gestational age is the weeks since the LMP
Developmental age is the weeks since conception (usually two weeks less
than GA)
At what week of gestation does the mother begin to be aware of fetal
movements? -ANSWER-16-20 weeks
How much does plasma volume increase during pregnancy? -ANSWER-By
50%.
RBC volume increases by 20-30%, so hematocrit decreases
,Which hormone affects smooth muscle in pregnancy and is responsible for
many of the physiologic changes seen? -ANSWER-Progesterone causes
smooth muscle relaxation
How much does the daily caloric intake requirement increase during
pregnancy? -ANSWER-By 300kCal/day
If a patient begins to gain an unusually large amount of weight late in
pregnancy, what pathology should you consider? -ANSWER-Pre-eclampsia
- it could be a sign of fluid retention
Which three chemicals are assayed in the standard triple test for Down
syndrome? -ANSWER-Alpha feto protein
B-HCG
estriol
At what week is AFP usually screened to check for Down syndrome? -
ANSWER-15-18 weeks
At what week of pregnancy are women screened for Group B Streptococcal
infection? -ANSWER-36 weeks
What is the treatment for women who test positive for GBS late in
pregnancy? -ANSWER-IV penicillin
Name the common, benign cause of lower abdominal pain that often
occurs late in the second trimester of pregnancy? -ANSWER-Round
ligament pain - secondary to the rapid expansion of the uterus and
stretching of the ligamentous attachments
What are the five components of the Biophysical Profile? -ANSWER-
Amniotic fluid volume
Fetal tone
Fetal activity
Fetal breathing movements
,NST
Which chemical is seen in higher concentrations in the amniotic fluid when
the lung matures? -ANSWER-Lecithin increases as the lungs mature, while
sphingomyelin decreases beyond about 32 weeks
What is a heterotropic pregnancy? -ANSWER-When there is an intrauterine
and an extrauterine pregnancy simultaneously
What is the treatment of choice for an unruptured ectopic pregnancy? -
ANSWER-Methotrexate
What is the name for the death of an embryo or fetus before 20 weeks with
complete retention of the POC? -ANSWER-Missed abortion
What is the most common cause of first trimester abortions? -ANSWER-
Fetal chromosomal abnormalities
What are the most common causes (4) of second-trimester abortions? -
ANSWER-Uterine or cervical abnormalties
Trauma
Systemic disease
Infection
What is the definition of recurrent/habitual abortions? -ANSWER-Three or
more consecutive spontaneous abortions
What additional analyte is sometimes added to the triple test to make the
"quad screen?" -ANSWER-Inhibin A
How many days after fertilization does the blastocyst typically implant into
the endometrium? -ANSWER-7 days
In which weeks of development does organogenesis take place? -
ANSWER-Weeks 3-8
, What level of sensitivity does the triple-test have? -ANSWER-Only 60%
but 80% over the age of 35
With a Down syndrome fetus, which of the analytes in the triple test are
elevated and which are decreased? -ANSWER-MSAFP - decreased
estriol - decreased
BHCG - increased
What percentage of amniocenteses have complications? -ANSWER-0.5%
Complications include ROM, premature labor, fetal injury
At which week gestation can CVS be performed? -ANSWER-9 weeks (six
weeks earlier than amniocentesis)
What problems are associated with performing CVS before 9 weeks? -
ANSWER-Limb abnormalities
What is fetal lie (what are the options/classifications)? -ANSWER-Either
longitudinal or transverse in the uterus
What is fetal presentation (what are the options/classifications)? -
ANSWER-Either breech or cephalic
What does the P in PROM stand for? What is the definition? -ANSWER-
Premature Rupture of Membranes
Rupture 18 hours before labor
What do the P and P in PPROM stand for? What is the clinical definition? -
ANSWER-Preterm Premature Rupture of Membranes
ROM before 37 weeks
How can leaks of amniotic fluid be differentiated from stress incontinence?
-ANSWER-Nitrazine or fern tests of the fluid
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