multiple choice questions LH and FSH

Question 1

Which of the following hormones is primarily responsible for stimulating the growth of ovarian follicles?
a. Luteinizing Hormone (LH)
b. Follicle-Stimulating Hormone (FSH)
c. Estrogen
d. Progesterone
e. GnRH

Answer 1

b. Follicle-Stimulating Hormone (FSH)

Question 2

What is the primary source of estrogen in females?
a. Anterior pituitary
b. Ovaries
c. Adrenal glands
d. Hypothalamus
e. Corpus luteum

Answer 2

b. Ovaries

Question 3

Which hormone is released in response to high levels of estrogen during the late follicular phase?
a. FSH
b. LH
c. GnRH
d. Progesterone
e. Inhibin

Answer 3

b. LH

Question 4

What is the role of inhibin in the reproductive hormone feedback loop? a. Stimulates GnRH release
b. Inhibits FSH secretion
c. Enhances LH secretion
d. Promotes follicle development
e. None of the above

Answer 4

b. Inhibits FSH secretion

Question 5

During which phase of the menstrual cycle does the corpus luteum primarily secrete progesterone?
a. Follicular phase
b. Ovulation
c. Luteal phase
d. Menstrual phase
e. None of the above

Answer 5

c. Luteal phase

Question 6

The release of GnRH from the hypothalamus is primarily regulated by:
a. Feedback from the ovaries and testes
b. Environmental factors
c. Stress levels
d. Nutritional status
e. All of the above

Answer 6

a. Feedback from the ovaries and testes

Question 7

Which of the following best describes the function of the anterior pituitary in the HPGA?
a. It produces GnRH.
b. It secretes gonadotropins in response to GnRH.
c. It regulates blood glucose levels.
d. It synthesizes steroid hormones.
e. None of the above

Answer 7

b. It secretes gonadotropins in response to GnRH.

Question 8

What is the effect of low levels of estrogen on FSH and LH secretion?
a. It increases both FSH and LH.
b. It decreases both FSH and LH.
c. It increases FSH but decreases LH.
d. It decreases FSH but increases LH.
e. None of the above

Answer 8

b. It decreases both FSH and LH

Question 9

Which hormone is primarily responsible for stimulating the Leydig cells in the testes to produce testosterone?
a. FSH
b. LH
c. GnRH
d. Inhibin
e. Estrogen

Answer 9

b. LH

Question 10

What is the primary function of Sertoli cells in the testes?
a. Produce testosterone
b. Support and nourish developing sperm
c. Secrete inhibin
d. Regulate FSH levels
e. None of the above

Answer 10

b. Support and nourish developing sperm

Question 11

What happens to the ovarian follicles that do not mature during the menstrual cycle?
a. They develop into corpus luteum.
b. They undergo atresia.
c. They produce estrogen.
d. They are released during ovulation.
e. None of the above

Answer 11

b. They undergo atresia.

Question 12

Which of the following hormones provides positive feedback to stimulate the LH surge?
a. Progesterone
b. Inhibin
c. Estrogen
d. FSH
e. Testosterone

Answer 12

c. Estrogen

Question 13

What is the primary role of progesterone in the menstrual cycle? a. Stimulating follicle development
b. Preparing the endometrium for potential implantation
c. Triggering ovulation
d. Inhibiting GnRH release
e. None of the above

Answer 13

b. Preparing the endometrium for potential implantation

Question 14

Which hormone is responsible for the development of secondary sexual characteristics in males?
a. FSH
b. LH
c. Testosterone
d. Estrogen
e. Progesterone

Answer 14

c. Testosterone

Question 15

What is the consequence of a GnRH deficiency in the body?
a. Increased levels of FSH and LH
b. Decreased levels of FSH and LH
c. Increased testosterone production
d. Enhanced ovarian follicle development
e. None of the above

Answer 15

b. Decreased levels of FSH and LH