Question

8) Which of the following could be issues caused by dysfunctional interstitial cells of the testes in an adult male? Select all that apply.

A) Low sperm cell production

B) Increased levels of GnRH in the blood

C) No formation of the male reproductive structures

D) A lack of growth plate ossification

E) Lower energy levels in the body

11) Which of the following statements concerning oogenesis is true? (1 point)

A) Oogenesis begins after birth

B) Ova develop from stem cells called oogenesis

C) An ovum completes its last mitosis after it is fertilized

D) About half the oogonia complete mitosis between birth and puberty

E) By the time of their birth, girls have already lost about 80 percent of their oocytes

18) Which of the following conditions is an age-related change for menopause? (1 point)

A) Hypertrophy and repositioning of the uterus

B) Increased mucus secretion in the uterus

C) Decreased hormone production by ovaries - Would cause D

D) Hot flashes, increased sweating, and vasoconstriction of blood vessels

E) Increased proliferation of follicles

20) Puberty in a female includes (select all that apply) (2 points)

A) Adipose tissue growth in the breasts and hips

?B) Increased muscle mass, especially in the hips

C) Closure of the uterine tubes

D) Regular ovulation triggered by increases in LH, FSH, and estrogen

E) Estradiol production increasing

23) The effects of estrogen are (select all that apply). (2 points)

?A) Positive feedback on LH and FSH secretion

B) Sloughing of the endometrium

?C) Inhibition of GnRH release

D) Stimulation of progesterone release

E) Upregulation of LH receptors in developing follicle

24) What occurs during the proliferative phase of the uterine cycle? Select all that apply (2 points)

A) Spiral glands become necrotic

B) Spiral arteries are dilated

C) Spiral glands form in the functional layer-

D) Spiral glands secrete glycogen

E) Epithelial cells rapidly divide

29) What occurs during menses? Select all that apply (2 points)

A) Secretion of glycogen by endometrial cells

B) Necrosis of the functional layer

C) Constriction of spiral arteries

D) Contraction of uterine smooth muscle

E) Increased secretion of progesterone

Answer 1

8) Answer - B) increased level of GnRH in blood.

Explanation - the interstitial cells secretes testosterone which is secreted under the influence of LH hence when the level of testosterone falls the brain would send positive feedback to brain to secrete testosterone by increasing the level of gonadotropin releasing hormone in blood.

11) C) ova completes its last meiosis after fertilisation.

Explanation - in the question mitosis is written which is i think misprinted.The ova is arrested at metaphase 2 of meiosis after fertilisation only the meiosis is completed.

Oogenesis begins at gestation around 7 weeks.

18) answer -(C) decreased hormone production by ovaries.

Explanation - Due to reduced ova in the ovaries the production of hormones from ovaries declines and at last ceases.

During menopause hot flashes and increased sweating occurs with Vasodilation of blood vessels.

Ovaries size reduces.Cervical mucus reduces.