In-Lecture Review Qs

Question 1

hormone that triggers ovulation

Answer 1

LH

Question 2

structure that does not assist ova to move into/through fallopian tube

Answer 2

infindibulum

Question 3

a cluster/ball of forming cells

Answer 3

morula

Question 4

portion of endo related to blastocyst attachment

Answer 4

decidua basalis

Question 5

1st structure seen sonographically within uterus in early pregnancy

Answer 5

chorionic cavity

Question 6

the placenta will mature from early to release ALL except

Answer 6

LH

releases estrogen, progesterone, b-hCG

Question 7

when NT measurement is combined with (2), the detectionrate increases to 86%

Answer 7

PAPP-A

free b-hCG

Question 8

what phase of the menstrual cycle do follicles become dominant

Answer 8

late follicular/proliferative

Question 9

amenorrhea defined as

Answer 9

menstral cessation

Question 10

US is ordered in postmenopausal women most often for

Answer 10

vag bleeding

Question 11

Diff between gest age/concept age

Answer 11

GA=CA+2wk

Question 12

first trimester screening test that requires an accurate dating US

Answer 12

nuchal translucency exam

Question 13

what growth disorder can result in small dates for pregnancy

Answer 13

IUGR

Question 14

non-pathology related cause of a large for dates pregnancy (2)

Answer 14

wrong dates

multifetal preg

Question 15

what is the first sono feature used to determine GA?

Answer 15

mean sac diameter

Question 16

most accurate predictor of GA?

Answer 16

CRL

Question 17

measurements used to determine GA in 2/3 trimester (4)

Answer 17

BPD
HC
AC
FL

Question 18

fetal measurement least influenced by fetal movement/posture

Answer 18

FL

Question 19

what are soft markers?

Answer 19

variants that increase risk for aneuploidy

Question 20

t/f eyes should be symmetrical, approx 2 eye lengs apart

Answer 20

false. one eye length apart

Question 21

what are the 5 main tissue prominences that make up the early fetal face

Answer 21

frontonasal
maxillary
mandibular
lateral nasal
medial nasal

Question 22

at what GA can a nasal tip be visualized on US

Answer 22

week 7

Question 23

what is the name of the primitive mouth?

Answer 23

stomodeum

Question 24

which direction do the eyes migrate during early development?

Answer 24

anteromedial (lateral to medial)

Question 25

t/f increased facial angle is assoc with chrom abnormalities

Answer 25

ture

Question 26

which views are most useful in visualizng clefts?

Answer 26

transverse view of maxilla/mandible