21) Which of following menstrual cycle events occursimultaneously? (1 point)

A) Maximal LH secretion and menstruation

B) Early follicular development in the ovaries and maximumthickening of the myometrium

C) Ovulation and menstruation

D) Endometrial thickening and increased estrogen production

E) Proliferation and secretion

22) Select all of the correct statements below. (2 points)

A) Resolution occurs after orgasm or ejaculation in the male

B) Nitric oxide is an important component of the erectionprocess in the male

C) Infertility is defined as the inability to maintain anerection long enough for sexual activity

D) Testosterone levels remain steady until around 80 years ofage in the male

E) Emission is moving of seminal fluids out of the body

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

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 uterinecycle? 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

25) The secretion of LH causes ________. Select all that apply(2 points)

A) Corpus luteum formation

B) Ovulation

C) Inhibition of testosterone

D) FSH secretion

E) Menopause

26) During the proliferative phase, the secretion of whathormones are increased? Select all that apply (1 points)

A) FSH

B) LH

C) Estrogen

D) Progesterone

E) Testosterone

27) Identify the phases of the menstrual cycle. Select all thatapply (1 points)

A) Secretory phase

B) Proliferative phase

C) Menopausal phase

D) Menses

E) Fertile Phase

28) Events that occur during the ovarian cycle include the______. Select all that apply (1 points)

A) Secretory phase

B) Proliferative phase

C) Luteal phase

D) Follicular phase

E) Ovulation

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

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

30) What are the functions of the placenta? Select all thatapply (1 points)

A) Secrete hormones

B) Remove fetal waste

C) Produce mucus necessary for lubrication of the vvagina

D) Contract for delivery of the baby

E) Provide nutrients for the fetus