48 workbook 3

Question 1

the dominat struture seen within the embryonic cranium with the first trimester is that of the ___________which fills the lateral ventricles that in turn fill the cranial vault

Answer 1

choriod plexus

Question 2

___________of the cranial vault is not complete in the first trimester, resulting falst cranial border definition may give rise to a fals negative diagnoses for cranial anomaly

Answer 2

ossification

Question 3

an abnormality that may be seen near the end of the first trimester when there is absence of the cranium superior to the orbits with presercvatoin of the base of the skull and facial features with the brain projected from the open cranial vault is ________

Answer 3

anecephaly

Question 4

in __________the choriod plexus is shown to be dangling in teh dilated dependent lateral ventricle

Answer 4

ventriculomegaly

Question 5

on ultrasound a large posterior fossa cyst that is continuous with the fourth ventricle and elevated tentorium and dilatation of the thrid and lateral ventricles may be seen in a fetus with ___________

Answer 5

Dandy Walker malformation

Question 6

the fetal urinary bladder becomes sonographically apparent at __________weeks gestation

Answer 6

10-12

Question 7

once of the most common abnormalities seen sonographically in the first trimester is __________

Answer 7

cystic hygroma

Question 8

sonographically placental hematomas may be difficult to distinguish from _________hemorrhages

Answer 8

Sub chronic

Question 9

by far the most common ovarian mass seen in the first trimester of pregnancy is a ____________cyst

Answer 9

corpus luteum

Question 10

list the associated risk factors for ectopic pregnancy

Answer 10

rise in PID

use of IUD’s

fallopian tube surgery

infertility treatments

history of ectopic pregnancy

Question 11

the most important finding in scanning for ectopic pregnancy is to deterimne if there is a normal intrauterine gestation (thus ruling our the possibility of an ectopic pregnancy) or if the uterine cavity is ________and an adnexal ________is present

Answer 11

empty

mass

Question 12

as many as 20% of patients with ectopic pregnancy demonstrate an intrauterine saclike structure known as the __________

Answer 12

pseudogestational sac

Question 13

corneal pregnancy or _________is potentially the most life threatening of all ectopic gestatoins

Answer 13

interstitial

Question 14

embryonic cardiac rates lower than _______beats per min at any gestational age with the first trimester have been shown to be a poor prognostic finding

Answer 14

90

Question 15

the most common occurence of bleeding in the first trimester results from __________hemorrhage

Answer 15

subchorionic

Question 16

several sonographic findins may be shown with ____________abortion ranging from an intact gestatoinal sac with a onliving embryo to a collapsed gestational sac that is grossly misshapen

Answer 16

incomplete spontaneous

Question 17

a proliferative disease of the trophoblast after a pregnancy i ____________disease

Answer 17

gestational trophoblastic

Question 18

in teh above condidtion, serum levels of beta-hCG are dramatically _________often to greater than 100, 000 IU/ml

Answer 18

elevated

Question 19

the characteristic “_________” appearance of hydatidiform mole which includes a moderately echogenci soft tissue mass fillin the uterine cavity and studded with small cystic spaces representing hydropic chorionic villi may be seen on ultrasound

Answer 19

snowstorm

Question 20

bilateral __________cysts have been reported in as many as half of molar prenancies

Answer 20

theca-lutein