Author Question: The embryo is termed a fetus at which stage of prenatal development? a. 2 weeks b. 4 weeks c. 9 ... (Read 91 times)

joesmith1212 · **on:** Jun 28, 2018

The embryo is termed a fetus at which stage of prenatal development?

a. 2 weeks
b. 4 weeks
c. 9 weeks
d. 16 weeks

Question 2

What is the embryonic membrane that contains fingerlike projections on its surface, which attach to the uterine wall?

a. Amnion
b. Yolk sac
c. Chorion
d. Decidua basalis

bpool94 · **Reply #1 on:** Jun 28, 2018

Answer to Question 1

ANS: C
The fetus (third stage of prenatal development) begins at the ninth week and continues until the 40th week of gestation or until birth.

Answer to Question 2

ANS: C
The chorion is a thick membrane with fingerlike projections (villi) on its outermost surface.