Chapter 47 Flashcards
1
Q
The fusion of the chorion and amnion occurs between \_\_\_\_\_\_\_\_ weeks. Select one: a. 9 and 10 b. 11 and 12 c. 14 and 15 d. 20 and 21
A
c. 14 and 15 Correctx
2
Q
In early pregnancy, the gestational sac size grows at a rate of \_\_\_\_\_ mm/day. Select one: a. 0.5 b. 1 c. 2 d. 2.5
A
b. 1 Correctx
3
Q
The diameter of the normal yolk sac should never exceed \_\_\_\_\_\_\_ mm. Select one: a. 4 b. 6 c. 8 d. 10
A
b. 6 Correctx
4
Q
Serum maternal hCG levels in a normal intrauterine pregnancy less than 7 weeks should increase by doubling every \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Select one: a. 24 hours b. 48 hours c. 3.5 days d. 1 week
A
c. 3.5 days Correctx
5
Q
The beta hCG levels plateau and subsequently decline, whereas the gestational sac continues to grow after \_\_\_\_\_\_\_\_\_ weeks. Select one: a. 3 to 5 b. 6 to 8 c. 9 to 10 d. 10 to 12
A
c. 9 to 10 Correctx
6
Q
In transabdominal scanning, a normal gestational sac can be consistently demonstrated when the beta hCG level is \_\_\_\_\_\_\_\_\_ mega international units per milliliter (mIU/ml). Select one: a. 500 b. 1000 c. 1500 d. 1800
A
d. 1800
7
Q
The crown-rump length measurement may be used up to the \_\_\_\_\_ gestational week. Select one: a. Tenth b. Eleventh c. Twelfth d. Thirteenth
A
c. Twelfth Correctx
8
Q
The blastocyst typically enters the uterus \_\_\_\_\_\_\_\_\_\_\_ days after fertilization. Select one: a. 1 to 2 b. 2 to 3 c. 4 to 5 d. 7 to 9
A
c. 4 to 5
9
Q
Implantation into the uterine decidua is completed within \_\_\_\_\_\_\_ days after fertilization. Select one: a. 2 b. 5 c. 10 d. 12
A
d. 12
10
Q
After fertilization of the ovum, the corpus luteum begins to secrete which of the following hormones? Select one: a. Estrogen only b. Progesterone only c. Progesterone with some estrogen d. Estrogen with some progesterone
A
c. Progesterone with some estrogen Correctx