<5mm - CORRECT ANSWER: A postmenepausal women not on HRT, the endometrium
should not measure more than?
>8mm - CORRECT ANSWER: The endometrium in a patient receiving HRT would be
abnormal if it measured more than?
1 mm/day - CORRECT ANSWER: Up to 10 weeks gestational age, the mean diameter
of the normal gestational sac should grow?
1/3 With the Left Atrium closest to the Aorta - CORRECT ANSWER: The fetal heart
should occupy _____ of the fetal chest and be positioned @ a 45 degree angle to the
left of fetal midline.
10-12 weeks - CORRECT ANSWER: At what gestational age are chorionic villus
sampling procedures commonly performed?
100% effective - CORRECT ANSWER: Combination oral contraceptives are virtually?
11 weeks - CORRECT ANSWER: Because of spinal segmentation, CRL begins to loose
accuracy after how many weeks?
,12 weeks
CRL measures > 45mm - CORRECT ANSWER: Physicologic hernation of fetal
intestines outside the abdomen should not be seen after what gestational age?
12-13 weeks - CORRECT ANSWER: At what gestational age is the amniotic fluid
volume and fluid in the fetal bladder almost entirely due to functioning kidneys?
14 days - CORRECT ANSWER: In the absence of fertilization, the corpus luteum cyst
should regress in ____ days?
15 - 21 Weeks - CORRECT ANSWER: At what gestational age is nuchal thickness
measured?
15-16 weeks - CORRECT ANSWER: For best results, the optimal gestational age for
karyotyping by amniocentesis is?
16 WEEKS - CORRECT ANSWER: The corpus lutesl cyst accompaning early
pregnancy should resolve by?
16-20 weeks - CORRECT ANSWER: If a pelvic mass requires surgery during
pregnancy, the best time would be?
1cm in largest dimension transversely - CORRECT ANSWER: The normal
measurements for the lateral ventricla of the fetal brain are?
1mm (reliable up to 10 weeks) - CORRECT ANSWER: The size of the gestational sac
should increase daily by?
2 umbilical arteries - CORRECT ANSWER: Applying color Doppler to the transverse
image through the fetal bladder will help verify?
,2 weeks - CORRECT ANSWER: Gestational sac measurements are accurate in
estimating gestational age to within how many weeks?
2-3mm/day - CORRECT ANSWER: During the time just before ovulation, the follicle
grows rapidly in a linear manner by ___mm?
2.5cm - CORRECT ANSWER: Ovulation occures when the dominant follicle reaches
what size?
24-36 hours - CORRECT ANSWER: How soon after ovulation does fertilization usually
occur?
2cm - CORRECT ANSWER: A placenta previa can be ruled out if the placental edge is
at least how far from the internal cervical os?
3 - CORRECT ANSWER: If no embryo is seen within a sac, one can roughly calculate
the gestational age in weeks by measuring the mean sac diameter and adding ___ to it?
3 ossidication centers (2 posterior pointing toward each other, 1 anterior) - CORRECT
ANSWER: When the fetal spine is imaged transversly, the ultrasound demonstrates?
30 weeks - CORRECT ANSWER: Cerebellar measurements can be used to estimate
gestational age but loose accuracy after?
30 weeks - CORRECT ANSWER: Epiphyseal centers will not be identified
sonographically until after?
30 weeks - CORRECT ANSWER: Twin growth is similar to singletons up to what
gestational week?
30-45 mins. - CORRECT ANSWER: The fetal bladder should fill and empty
approximatly every?
, 3600 units/liter
2000 units/liter - CORRECT ANSWER: One should be able to transabdominally image a
gestational sac when the IRC level for hCG is = or >?
Transvaginally?
37 weeks - CORRECT ANSWER: Dr's usually don't consider a C-section due to previa
until what gestational week?
3mm - CORRECT ANSWER: Normal nucal translucency does not exceed?
4 weeks - CORRECT ANSWER: The postpartum uterus should revert back to
pregravida size within how many weeks?
45 degree angle to the left of midline - CORRECT ANSWER: In a normal fetus, the
heart is positioned at what angle?
48 hours - CORRECT ANSWER: During early pregnancy, hCG levels should double
every how many hours?
4cm - CORRECT ANSWER: The thickness of the full-term placental should not
measure more than?
5mm - CORRECT ANSWER: A postmenapausal endometrium should measure no more
than?
6-8 weeks - CORRECT ANSWER: Postpartum period last for?
6mm
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