Penny Chapter 23 - The First Trimester

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

a. Graafian

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

b. zygote

the first sonographicaly identifiable sign of pregnancy is the:

!! c. decidual reaction

a malignant form of GTD is:

a. choriocarcinoma

in the first trimester, normal hCG levels will double every _____?

!! a. double every 48 hours

what structure connects the embryo to the yolk sac?

!! a. vitelline duct

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

a. physiologic bowel herniation

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

b. chorionic sac

fertilization typically occurs within ___ after ovulation

c. 24 hours

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

c. bilateral, multiloculated ovarian cysts

which of the following locations for an ectopic pregnancy would be lest likely? a. isthmus of the tube b. ampulla of the tube c. ovary d. interstitial of the tube

c. ovary

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

c. rhombencephalon

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?

c. subchorionic hemorrhage

the normal gestational sac will grow:

d. 1 mm per day

NT measures are typically obtained between:

d. 11 and 14 weeks

all of the following are clinical features of an ectopic pregnancy except: a. pain b. vaginal bleeding c. shoulder pain d. adnexal ring

d. adnexal ring

all of the following are contributing factors for an ectopic pregnancy except: a. pelvic inflammatory disease b. assisted reproductive therapy c. IUCD d. advanced paternal age

d. advanced paternal age

the most common site of fertilization is within the:

d. ampulla of the uterine tube

the most common location of an ectopic pregnancy is the:

d. ampullary portion of the uterine tube

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

d. choroid plexus

the most common pelvic mass associated with pregnancy is the:

d. corpus luteum cyst

another name for the chorionic sac is the:

d. gestational sac

the trophoblastic cells produce:

d. hCG

which of the following is the most likely metastatic location for GTD? a. rectum b. pancreas c. spleen d. lungs

d. lungs

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

d. small for dates

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

!! d. low beta-hCG

all of the following are consistent with a complete hydatidiform mole except: a. heterogeneous mass within the endometrium b. bilateral theca lutein cysts c. hyperemesis gravidarum d. low hCG

!! d. low hCG

what is often used to medically treat an ectopic pregnancy?

!! d. methotrexate

what structure lies within the extraembryonic coelom?

!! c. yolk sac

what hormone maintains the corpus luteum during pregnancy?

!! d. hCG

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

!! b. low hCG

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

!! b. molar pregnancy

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

a. blastocyst

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

a. chorionic cavity

what is the most common form of GTD?

a. complete molar pregnancy

the most common cause of pelvic pain with pregnancy is:

a. ectopic pregnancy

the first structure noted within the gestational sac is the:

a. yolk sac

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?

b. corpus luteum cyst

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

b. progesterone

all of the following are associated with an abnormal NT except: a. trisomy 21 b. trisomy 16 c. trisomy 18 d. turner syndrome

b. trisomy 16