First trimester Chapter 23 questions

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which of the following is the most likely metastatic location for GTD? -rectum -pancreas -spleen -lungs

lungs

during a first trimester sonogram, you note a round cystic structure within the fetal head. This most likely represents the:

rhombencephalon

all of the following are associated with an abnormal NT except: -trisomy 21 -trisomy 16 -trisomy 18 -turner syndrome

trisomy 16

the structure created by the union of sperm and egg is the:

zygote

fertilization typically occurs within ______ after ovulation?

24 hours

another name for chorionic sac is the?

gestational sac

all of the following are clinical findings consistent with a complete molar pregnancy except: -vaginal bleeding -hypertension -uterine enlargement -small for dates

small for dates

NT measures are typically obtained between?

11-14 weeks

a malignant form of GTD is:

choriocarcinoma

in the early gestation, where is the secondary yolk sac located?

chorionic cavity

with a normal pregnancy, the first structure noted within the decidualized endometrium is the?

chorionic sac

during a 12 week sonogram, bilateral echogenic structure are noted within the lateral ventricles of the fetal cranium. These structures most likely represent:

choroid plexus

what is the most common form of GTD?

complete molar pregnancy

sonographically, a normal appearing 7-week IUP is identified. Within the adnexa, an ovarian cystic structure with a thick , hypoechoic rim is also discovered. What does this ovarian mass most often represents?

corpus luteum cyst

the most common pelvic mass associated with pregnancy is the:

corpus luteum cyst

The first sonographically identifiable sign of pregnancy is the: A. Amnion B. Yolk sac C. Decidual reaction D. Chorionic cavity

decidual reaction

in the first trimester, normal hCG levels will?

double every 48 hours

the most common cause of pelvic pain with pregnancy is:

ectopic pregnancy

what is the name of the dominant follicle prior to ovulation?

graafian

the trophoblastic cells produce:

hCG

what hormone maintains the corpus luteum during pregnancy?

hCG

all of the following may be sonographic findings in the presence of an ectopic pregnancy except: -pseudogestational sac -corpus luteum cyst -adnexal ring -low beta-hCG

low beta hCG

all of the following are consistent with a complete hydatidiform mole except: -hetergeneous mass within the endometrium -bilateral theca lutein cysts -hyperemesis gravidarum -low hCG

low hCG

compared with a normal IUP, the ectopic pregnancy will have a

low hCG

what hormone, produced by the corpus luteum, maintains the thickened endometrium?

progesterone

what is the stage of the conceptus that implants within the decidualized endometrium?

blastocyst

the first structure noted within the gestational sac is the

yolk sac

the normal gestational sac will grow?

1mm/day

all of the following are clinical features of an ectopic pregnancy except: -pain -vaginal bleeding -shoulder pain -adnexal ring

adnexal ring

all of the following are contributing factors for an ectopic pregnancy except: -pelvic inflammatory disease -assisted reproductive therapy -IUCD -advanced paternal age

advanced paternal age

the most common site of feritilization is within the:

ampulla of the uterine tube

the most common location of an ectopic pregnancy is the:

ampullary portion of the uterine tube

all of the following are sonographic findings consistent with ectopic pregnancy except: -decidual thickening -complex free fluid within the pelvis -bilateral, multiloculated ovarian cysts -complex adnexal mass separate from the ipsilateral ovary

bilateral, multiloculated ovarian cysts

what is often used to medically treat an ectopic pregnancy?

methotrexate

all of the following would be associated with a lower than normal hCG level except: -ectopic pregnancy -molar pregnancy -blighted ovum -spontaneous abortion

molar pregnancy

which of the following locations for an ectopic pregnancy would be least likely? -isthmus if the tube -ampulla of the tube -ovary -interstitial of the tube

ovary

the migration of the embryologic bowel into the base of the umbilical cord at 9 weeks is referred to as:

physiologic bowel herniation

a sonographic examination was performed on a pregnancy patient who complained of vaginal bleeding. sonographically, a crescent shaped anechoic area is noted adjacent to the gestational sac. The gestational sac contained a 6 week single live IUP. what is the most likely diagnosis?

subchorionic hemorrhage

what structure connects the embryo to the yolk sac?

vitelline duct

what structure lies within the extraembryonic coelom?

yolk sac


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