Reproductive system

Question 1

What will happen to the penis if the arteries in the penis dilate?

Answer 1

The male attains an erection

Question 2

On a warm day why will the cremaster muscle be relaxed?

Answer 2

Normal sperm development depends on testes being 1.1C cooler than body temperature

Question 3

Which structures move with the testes during their descent of the abdomen?

Answer 3

Ductus deferens, testicular artery, lymphatic vessels and nerves

Question 4

Which of the following is NOT a function of sustentacular cells?

Answer 4

Producing androgens, particularly testosterone

Question 5

How is the generation of four sperm possible from one spermatogonium?

Answer 5

Meiosis 1 yields two haploid secondary spermatocytes which go through meiosis 2 and become four haploid spermatids

Question 6

Which layer of the uterus is sloughed off by menstruation

Answer 6

Functional layer of endometrium

Question 7

What event occurs in the uterine cycle when the levels of estrogens and progesterone decline?

Answer 7

Menses

Question 8

What is the fate of the corpus luteum of fertilization does NOT occur?

Answer 8

It denigrates into a corpus albicans

Question 9

Oral contraceptives contains estrogens and progesterone. What effect does taking oral contraceptives do to the menstrual cycle?

Answer 9

Inhibits ovulation

Question 10

Why does the level of FSH rise and remain high during menopause?

Answer 10

Estrogen levels decline

Question 11

Which of the following is a function of the ovaries?

Answer 11

Secreting inhibit which controls FSH production

Question 12

How is an oocyte transported along the uterine tube?

Answer 12

Ciliary movement “turns on” just before ovulation to propel oocyte. Peristaltic contractions of the uterine tube propel the oocyte.

Question 13

Which is true about oogenesis?

Answer 13

Oogonia complete their mitotic divisions before birth

Question 14

Why does oogenesis yield only one functional ovum?

Answer 14

Oogenesis produces 2 or 3 polar bodies, which later desintegrate.

Question 15

What changes are observed in the ovarian cycle if the LH surge does not occur?

Answer 15

Completion of meiosis 1 by the primary oocyte and ovulation will not occur

Question 16

What happens during the process of spermiogenisis?

Answer 16

Spermatids differentiate into mature sperm

Question 17

An inability to contract the ischiocavernosus & bulbospongiosis muscles impedes which parts of the male sex act?

Answer 17

Ejaculation & orgasm

Question 18

What is a direct effect on FSH secretion in males?

Answer 18

The rate of sperm production decreases

Question 19

When stem cells called spermatogonia divide, one differentiates into a primary spermatocyte. What happens to the second daughter cell?

Answer 19

It remains in the outer layer of the seminiferous tubule

Question 20

In the male reproductive system, the prostate gland releases an antibiotic called___? This protects against urinary tract infections in the male.

Answer 20

Seminaplasmin

Question 21

What statement is true with regards to female anatomy?

Answer 21

The uterus is superior to bladder, and anterior to the rectum. Uterus is suspended from the broad ligament & attaches to lateral body wall. Risk to pelvic inflammatory disease secondary to STD’s is higher in females.

Question 22

Ifa male has his prepuce surgically removed, what has happened to him?

Answer 22

He has been circumcised

Question 23

What benefit does the acidic PH of the vagina provide?

Answer 23

Prevents bacterial, fungal, and parasitic infections

Question 24

Which statement is true with regards to spermatogenesis?

Answer 24

The spermatozoa become motile when they are with in the epididymis

Question 25

Which scenario results in females if GnRH is absent or it is secreted as a constant rate, rather then in pulses?

Answer 25

FSH & LH secretion stops with in hours

Question 26

What effect does blockage of both uterine tubes by scare tissue (resulting in an STD) have on a women’s ability to conceive?

Answer 26

She becomes sterile