Question

The corpus luteum does what?

Select one:

a. releases the secondary oocyte.

b. forms from a Graafian follicle after ovulation and secretes mainly progesterone.

c. degenerates into a zygote if pregnancy does not occur.

d. secretes progesterone.

e. forms from a Graafian follicle after ovulation.

During the female menstrual cycle what hapens?

Select one:

a. the fimbriae wall thickens over the course of the cycle.

b. there are three phases: menarche, amenorrhea, and luteal.

c. estrogen levels peak at ovulation.

d. menstruation occurs 3-5 days before ovulation.

Oogenesis differs from spermiogenesis in all of the following ways EXCEPT:

Select one:

a. Oogenesis does not have 2 meiotic divisions while spermiogenesis does.

b. 5 million oocytes are produced during fetal growth but cannot go through oogenesis until puberty.

c. Division of cytoplasm during meiosis is uneven in oogenesis, creating a polar body.

d. The secondary oocyte is released during ovulation.

Oral contraceptives, commonly referred to as the "pill", typically contain estrogen and progesterone. The combination of these 2 hormones work to prevent pregnancy because:

Select one:

a. They change the pH level of the vagina, causing it to denature sperm.

b. They prevent the proliferative or secretory phase of the menstrual cycle.

c. They cause thickening of the cervical mucus plug, preventing sperm from reaching the ovum.

d. They prevent ovulation by causing the woman's body to mimic pregnancy and disrupt the ovarian cycle.

The female mammary glands:

Select one:

a. are modified sweat glands.

b. may contain large amounts of adipose tissue.

c. are attached to the pectoralis major muscle by suspensory ligaments.

d. contain alveoli that pass milk into lactiferous ducts.

e. All of the above are correct.

All of the following are effects of estrogen EXCEPT:

Select one:

a. High HDL cholesterol levels

b. Fat accumulation in hips and breasts

c. Widening of pelvis

d. Deepening of voice

e. All of the above are effects of estrogen

Answer 1