Question

1) The hypohyseal portal veinsdrain the

A) Anterior pituitary.............is this the correctanswer?
B) Posterior pituitary
C) Hypothalamus
D) Thalamus

2) The interstitial cells of thetestes are an important target for

A) FSH
B) LH.............is this the correct answer?
C) GnRH
D) Oxytocin
E) Both A and B

3) During spermatogenesis, which ofthe following undergoes a meiotic division to produce haploidcells?

A) Spermatids
B) Secondary spermatocytes
C) Pimary spermatocytes.............is this the correctanswer?
D) Spermatogonia
E) Spermatozoa

4) The normal number of spermatozoaper milliliter of semen is:

A) 50-100

B) Fewer than 20,000,000

C) More than 200,000,000

D) 50,000,000 – 150,000,000.............is this the correctanswer?

E) About 5 million

5) A normal mature humanspermatozoa contains:

A) 23 chromosomes.............is this the correct answer?

B) 23 pairs of chromosomes

C) 46 chromosomes

D) 46 pairs of chromosomes

6) During the menstrual cycle, LHis at its highest levels

A) During the menstrual phase

B) Just prior to ovulation.............is this the correctanswer?

C) Just after ovulation

D) Just before menstruation begins

E) Levels of LH never change

Thank you in advance!