Male Reproductive Physiology Practice Questions

Question 1

After injecting testosterone in a hypoandrogenic male, which of the following occurs ?

Accepted Answer

Decreased FSH secretion

Answer

Decreased LH secretion

Answer

Increased spermatogenesis

Answer

None of the options

Question 2

What is the effect of inhibin B hormone?

Accepted Answer

Inhibits FSH secretion from anterior pituitary

Answer

Stimulates Sertoli cell proliferation

Answer

Directly stimulates seminiferous tubule development

Answer

Directly enhances spermatogenesis rate

Question 3

Enzyme that can be traced in semen sample of 8-10 weeks is:

Accepted Answer

Acid phosphatase test

Answer

CPK enzyme

Answer

LDH

Answer

ALP test

Question 4

What is the correct sequential order of sperm formation?
1. Spermatogonia
2. Spermatocyte
3. Spermatids
4. Spermatozoa

Accepted Answer

1234

Answer

2314

Answer

3214

Answer

3124

Question 5

Which of the following is a cause of male infertility?

Accepted Answer

All of the options

Answer

Idiopathic

Answer

Yq11 microdeletion

Answer

Varicocele

Question 6

Pseudotumor cerebri is seen in -

Accepted Answer

Obese women in the age group 20-40 yrs.

Answer

Obese males 20-40 yrs.

Answer

Thin males 50-60 yrs.

Answer

Thin females 50-60 yrs.

Question 7

What is the most likely consequence of prolonged testosterone treatment on male fertility?

Accepted Answer

Azoospermia

Answer

Decreased sperm motility

Answer

Decreased spermatogenesis

Answer

Decreased gonadotropins

Question 8

Disruption of the hypothalamic-pituitary portal system will lead to

Accepted Answer

High circulating levels of PRL, low levels of LH and FSH, leading to ovarian atrophy.

Answer

Increased follicular development due to elevated circulating levels of PRL.

Answer

Ovulation with subsequent increase in circulating progesterone levels.

Answer

Increased FSH levels due to reduced ovarian inhibin levels.

Question 9

What is the mechanism by which hyperprolactinemia causes amenorrhea?

Accepted Answer

Inhibition of GnRH pulse secretion

Answer

Inhibition of adrenal steroidogenesis

Answer

It causes hypogonadotropic hypogonadism

Answer

It leads to decreased ovarian function due to low FSH and LH levels

Question 10

Where does meiosis occur in human females?

Accepted Answer

In the adult ovary

Answer

At birth in the ovary

Answer

In the adult testis

Answer

In the prepubertal testis

Male Reproductive Physiology — MCQs

Male Reproductive Physiology — MCQs

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