Week 9 - Reproductive system

Question 1

The corpus luteum is:

Select one:
a. the ruptured follicle following the ejection of an oocyte from the ovary.

b. the mesovarium.
c. the ovarian ligament that anchors the ovary medially to the uterus.
d. part of the uterine tube.

Answer 1

a

Question 2

Which of the following hormones controls the release of anterior pituitary gonadotropins?

Select one:
a.
testosterone

b.
LH

c.
FSH

d.
GnRH

Answer 2

d

Question 3

The constancy of the chromosome number from one generation to the next is maintained through:

Select one:

a.
DNA synthesis.

b.
meiosis.

c.
cytokinesis.

d.
mitosis.

Answer 3

b

Question 4

Fertilization generally occurs in the:

Select one:

a.
vagina

b.
ovary

c.
uterus

d.
fallopian tubes.

Answer 4

d

Question 5

The structures that receive the ovulated oocyte, providing a site for fertilization, are called:

Select one:

a. the Graafian follicles.
b. the infundibula.
c. the fallopian tubes.
d. the fimbriae.

Answer 5

c

Question 6

Functions of testosterone include:

Select one:

a. growth of the breasts.
b. facilitation of muscle and skeletal growth in mass.
c. drying of the skin.
d. loss of facial hair.

Answer 6

b

Question 7

Which of the following glands are responsible for 60% of the synthesis of semen?

Select one:

a. the pituitary
b. the prostate
c. the bulbourethral glands
d. the seminal vesicles

Answer 7

d

Question 8

The ability of sperm cells to move along the ductus deferens is due to:

Select one:

a. hormonal action.
b. gravity.
c. peristaltic contractions.
d. enzymatic activity.

Answer 8

c

Question 9

The primary function of the uterus is to:

Select one:

a. protect the ovaries.
b. synthesize female hormones.
c. receive, retain, and nourish a fertilized ovum.
d. regulate the ovarian and menstrual cycles.

Answer 9

c

Question 10

The primary function of the uterus is to:

Select one:

a. protect the ovaries.
b. synthesize female hormones.
c. receive, retain, and nourish a fertilized ovum.
d. regulate the ovarian and menstrual cycles.

Answer 10

c

Question 11

The basic difference between spermatogenesis and oogenesis is that:

Select one:
a. in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell.

b. spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only.
c. during spermatogenesis two more polar bodies are produced.
d. the mature ovum is n, while the sperm is 2n.

Answer 11

a

Question 12

The cells that produce testosterone in the testis are called:

Select one:

a. interstitial cells.
b. sustentacular cells.
c. spermatogonia.
d. spermatocytes.

Answer 12

a

Question 13

Which of the following statements is true concerning the mammary glands of both males and females?

Select one:
a. The mammary glands are modified sweat glands that are actually part of the integumentary system.

b. The only time hormones target breast tissue is during pregnancy and lactation.
c. All lumps identified in breast tissue are malignant.
d. Both sexes are equally prone to breast cancer.

Answer 13

a

Question 14

During the secretory phase of the menstrual cycle:

Select one:

a. the Graafian follicle forms.
b. estrogen reaches its highest levels.
c. progesterone levels are at their highest.
d. LH reaches its highest levels.

Answer 14

c

Question 15

Secretion of progesterone stimulates:

Select one:
a.preparation of the mammary glands for lactation.

b. secretory activity of the uterine myometrium.
c. development of the female secondary sex characteristics.
d. contraction of uterine muscles.

Answer 15

a

Question 16

Effects of estrogen include:

Select one:

a. growth of the breasts at puberty.
b. growth of the larynx.
c. increased oiliness of the skin.
d. deepening of the voice.

Answer 16

a

Question 17

Which of the following will occur after ovulation?

Select one:
a. The corpus luteum secretes estrogen only.

b. The corpus luteum prepares to become a corpus albicans.
c. The endometrium enters its secretory phase.
d. The secretion of anterior pituitary gonadotropins is enhanced.

Answer 17

c

Question 18

Normally menstruation occurs when:

Select one:

a. the corpus luteum secretes estrogen.
b. blood levels of estrogen and progesterone decrease.
c. blood levels of estrogen and progesterone increase.
d. blood levels of FSH fall off.

Answer 18

b

Question 19

Select the correct statement about the uterine cycle.

Select one:
a. The menstrual phase of the cycle is from day 1 to day 8.

b. If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
c. During the secretory phase, estrogen levels are at their highest.
d. During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.

Answer 19

b

Question 20

The seminal vesicles:

Select one:

a. produce about 90% of the volume of semen.
b. attach at the base of the penis.
c. encircle the upper part of the urethra.
d. produce a yellowish fluid rich in fructose.

Answer 20

d

Question 21

FSH and LH are produced by the
A. posterior pituitary gland
B. anterior pituitary gland
C. hypothalamus
D. adrenal gland

Answer 21

b

Question 22

E & P are secreted by:
A. hypothalamus
B. anterior pituitary
C. posterior pituitary
D. granulosa cells of the ovarianfollicles

Answer 22

d

Question 23

During menstrual period (Day 1-4), E & P level is:
A. high
B. low
C. no change
Ans B

Answer 23

b

Question 24

During proliferatory (pre-ovulatory)  phase (Day 5-13), which hormone level highest?
A. estrogen
B. progesterone
C. oxytocin
D. prolactin

Answer 24

a

Question 25

During secretory (post-ovulatory) phase (Day 15-28), which hormone level highest?
A. Estrogen
B. Progesterone
C. Oxytocin
D. Prolactin

Answer 25

b

Question 26

In a menstrual cycle, LH is released during the:
A. mentrual period
B. proliferatory phase
C. secretory phase
D. prior to ovulatory phase

Answer 26

d

Question 27

When woman reached menopause, which one of the hormones levels increased?
A. FSH
B. estrogen
C. progeterone
D. prolactin

Answer 27

a

Question 28

Jane’s infertility may be due to
A. ovaries do not respond to FSH
B. ovarian duct abnormality
C. low sperm count
D. abnormal sperm structure
E. pituitary gland abnormality
F.  All of the above may be true

Answer 28

f

Question 29

Name the hormones that has/have effect on breast tissue.
A. Estrogen
B. Progesterone
C. Prolactin
D. Oxytocin
E.  All of the above

Answer 29

e

Question 30

In the male, the structure inferior to the bladder is the 
A. Kidney
B. Seminal vesicle
C. Epididymis
D. Prostate gland

Answer 30

d

Question 31

Which part of the spermatozoon establishes its motility? 
A. head 
B. acrosome
C. midpiece
D. Tail

Answer 31

d

Question 32

The seminal vesicles
A. Store sperms prirot to ejaculation
B. Supply fructose to be utilised by the sperms for energy
C. Secrete FSH
D. Both b and c are correct

Answer 32

b

Question 33

Inhibin
A. Is produced by the Sertoli cells
B. Is produced by the sperm cells
C. Signals the pituitary gland
D. Both A and C are correct

Answer 33

d

Question 34

------------ cells produce testosterone
A. sertoli (sustenticular) cells
B. spermatogonium cells
C. sperm cells
D. Leydig (interstitial cells)

Answer 34

d

Question 35

Sertoli cells
A. produce hormone ‘inhibin’
B. produce hormone ‘ABP’
C. supports and protects sperm producing cells
D. nourish spermatocytes, spermatids and spermatozoa
E. All of the above

Answer 35

e

Question 36

The hormones produced in the testis are
A. testosterone
B. inhibin
C. androgen-binding protein
D.  all of the above

Answer 36

d