During the secretory phase of the uterine (menstrual) cycle,
A) ovulation occurs.
B) a new functional layer is formed in the vagina.
C) uterine glands enlarge.
D) the old functional layer of the endometrium is sloughed off.
E) the corpus albicans releases hormones.

Question

Quizplus · Accepted Answer

During the secretory phase, the uterine glands enlarge and secrete nutrients to prepare for a potential pregnancy.

Answer: D
 The old functional layer of the endometrium is sloughed off during menstrual bleeding, which occurs at the end of the secretory phase.

The other options are incorrect:
A) Ovulation occurs during the proliferative phase, before the secretory phase. 
B) No new layer is formed in the vagina during the menstrual cycle. 
E) The corpus albicans is formed in the ovary after ovulation and does not release hormones.

During the Secretory Phase of the Uterine (Menstrual) Cycle