OB/GYN Steven Penny Review Questions: 1st Trimester Ch 23

in the first trimester, normal hCG levels will: double every 48 hours triple every 24 hours double every 24 hours double every 12 hours

double every 48 hours

the most common cause of pelvic pain with pregnancy is: ectopic pregnancy heterotopic pregnancy missed abortion molar pregnancy

ectopic pregnancy

another name for the chorionic sac is the: chorionic cavity extraembryonic coelom amniotic sac gestational sac

gestational sac

the trophoblastic cells produce estrogen progesterone FSH hCG

hCG

what hormone maintains the corpus luteum during pregnancy? estrogen progesterone FSH hCG

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: heterogenous mass within endometrium bilateral theca lutein cysts hyperemesis gravidarum low hCG

low hCG

compared with a normal IUP, the ectopic pregnancy will have a: high hCG low hCG markedly elevated hCG high AFP

low hCG

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

lungs

what is often used to medically treat an ectopic pregnancy? dilatation and curettage dilatation and evacuation open surgery methotrexate

methotrexate

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

molar pregnancy

which of the following locations for an ecoptic pregnancy would be least likely? isthmus ampulla ovary interstitial

ovary

the migration of the embryologic bowel into the base of the umbilical cord at 9 weeks is referred to as: physiologic bowel herniation pseudo-omphalocele omphalocele gastroschisis

physiologic bowel herniation

what hormone, produced by corpus luetum, maintains the thickened endometrium? estrogen progesterone hCG LH

progesterone

during the 1st trimester US, you note a round, cystic structure within the fetal head. this most likely represents: prosencephalon mesencephalon rhombencephalon proencephalon

rhombencephalon

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

small for dates

an US exam 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 6week single live IUP. what is the most likely definition? ectopic pregnancy molar pregnancy subchorionic hemorrhage anembryonic gestation

subchorionic hemorrhage

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

trisomy 16

what structure connects the embryo to the yolk sac? vitelline duct yolk stalk amnion chorionic stalk

vitelline duct

the first structure noted within the gestational sac is the: yolk sac embryo decidual reaction chorionic sac

yolk sac

what structure lies within the extraembryonic coelom? gestational sac embryo yolk sac amnion

yolk sac

the structure created by the union of sperm and egg is: blastocyst zygote morula ampulla

zygote

all of the following are clincial 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: PID assisted reproductive therapy IUCD advance paternal age

advanced paternal age

the most common site of fertilization is within the: isthmus fundus cornu ampulla

ampulla

the most common location of an ectopic pregnancy is the: ovary interstitial cornual ampullary

ampullary

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 the stage of the conceptus that implants within the decidualized endometrium? blastocyst morula zygote ovum

blastocyst

a malignant form of GTD is: choriocarcinoma hydatidiform mole anembryonic hydropic villi

choriocarcinoma

in the early gestation, where is the secondary yolk sac located? chorionic cavity base of umbilical cord embryonic cranium amniotic cavity

chorionic cavity

with a normal pregnancy, the first structure noted within the decidualized endometrium is the: yolk sac chorionic sac amniotic cavity embryo

chorionic sac

during a 12 week US, bilateral echogenic structures are noted within the lateral ventricles of the fetal cranium. these structures most likely represent: cerebral tumors cerebral hemorrhage anencephalic remnants choroid plexus

choroid plexus

what is the most common form of GTD? complete molar pregnancy partial molar pregnancy invasive mole choriocarcinoma

complete molar pregnancy

sonographically, a normal appearing 7-week IUP is identified. within the adnexa, an ovarian cystic structure with a thick, hyperechoic rim is also discovered. what does this ovarian mass most likely represent? theca lutein cyst corpus luteum cyst corpus albicans ectopic pregnancy

corpus luteum cyst

the most common pelvic mass associated with pregnancy is the: uterine leiomyoma dermoid cyst theca luteum cyst corpus luteum cyst

corpus luteum cyst

the first sonographically identifiable sign of pregnancy is the: amnion yolk sac decidual reaction chorionic cavity

decidual reaction

NT measures are typically obtained between: 1 and 5 weeks 5 and 8 weeks 8 and 11 weeks 11 and 14 weeks

11 and 14 weeks

the normal gestational sac will grow: 2mm per day 3mm per day 1cm per day 1mm per day

1mm per day

fertilization typically occurs within ______ after ovulation 40 hours 12 hours 24 hours 56 hours

24 hours

what is the name of the dominant follicle prior to ovulation? Graafian corpus luteum morula corpus albicans

Graafian