The First Trimester Flashcards
What structure connects the embryo to the yolk sac?
A. Vitelline duct
B. Yolk stalk
C. Amnion
D. Chorionic stalk
A. Vitelline duct
What is the name of the dominant follicle prior to ovulation?
A. Graafian
B. Corpus luteum
C. Morula
D. Corpus albicans
A. Graafian
Fertilization typically occurs within ____ after ovulation.
A. 40 hours
B. 12 hours
C. 24 hours
D. 56 hours
C. 24 hours
The most common site of fertilization is within the:
A. Isthmus of the uterine tube
B. Uterine fundus
C. Cornu of the uterine tube
D. Ampulla of the uterine tube
D. Ampulla of the uterine tube
With a normal pregnancy, the first structure noted within the
decidualized endometrium is the:
A. Yolk sac
B. Chorionic sac
C. Amniotic cavity
D. Embryo
B. Chorionic sac
The structure created by the union of sperm and egg is the:
A. Blastocyst
B. Zygote
C. Morula
D. Ampulla
B. Zygote
The trophoblastic cells produce:
A. Estrogen
B. Progesterone
C. Follicle-stimulating hormone
D. hCG
D. hCG
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?
A. Theca lutein cyst
B. Corpus luteum cyst
C. Corpus albicans
D. Ectopic pregnancy
B. Corpus luteum cyst
What is the stage of the conceptus that implants within the decidualized
endometrium?
A. Blastocyst
B. Morula
C. Zygote
D. Ovum
A. Blastocyst
Another name for the chorionic sac is the:
A. Chorionic cavity
B. Extraembryonic coelom
C. Amniotic sac
D. Gestational sac
D. Gestational sac
What is often used to medically treat an ectopic pregnancy?
A. Dilatation and curettage
B. Dilatation and evacuation
C. Open surgery
D. Methotrexate
D. Methotrexate
What structure lies within the extraembryonic coelom?
A. Gestational sac
B. Embryo
C. Yolk sac
D. Amnion
C. Yolk sac
What hormone, produced by the corpus luteum, maintains the thickened
endometrium?
A. Estrogen
B. Progesterone
C. hCG
D. Luteinizing hormone
B. Progesterone
What is the most common form of GTD?
A. Complete molar pregnancy
B. Partial molar pregnancy
C. Invasive mole
D. Choriocarcinoma
A. Complete molar pregnancy
In the first trimester, normal hCG levels will:
A. Double every 48 hours
B. Triple every 24 hours
C. Double every 24 hours
D. Double every 12 hours
A. Double every 48 hours
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