First trimester Chapter 23 questions
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