Menstrual irregularities may be seen in women athletes due to:

1.	increase in androgen secretion by the adrenal cortex
2.	decrease in androgen secretion by the adrenal cortex
3.	increased secretion of GnRH
4.	decreased secretion of GnRH

The endometrium is maintained in a healthy condition in the latter half of the pregnancy by:

1. FSH and LH

2. human chorionic gonadotropin

3. Ovarian steroids

4. placental estrogen and progesterone

The endometrium is the most developed:

1. during the menstrual phase.

2. just after the menstrual phase.

3. just after ovulation.

4. late in the postovulatory phase.

What happens to the corpus luteum if fertilization does not take place?

After being released the secondary oocyte must be fertilized within:

1. 1 hour.

2. 12 hours.

3. 24 hours.

4. 72 hours.

Female secondary sexual characteristics develop in response to:
1. estrogen
2. progesterone
3. androgen
4. luteinizing hormone

Chose the correct chronological order in which the following cells are produced:

A pair of sponge-like regions of erectile tissue which contain most of the blood in the penis during an erection are called:

Testosterone secretion before birth is due to:

1. FSH

2. GnRH

3. HCG

4. LH

The release of the sperms from the ampulla of the vas deferens is called:

1. erection.

2. emission.

3. ejaculation.

4. orgasm.