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| 1 | |
If an adult male walked into a swimming pool of cold water, which of these muscles would be expected to contract? |
| | A) | cremaster muscle |
| | B) | dartos muscle |
| | C) | gubernaculum |
| | D) | prepuce muscle |
| | E) | both a and b |
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| 2 | |
Testosterone is produced in the |
| | A) | interstitial cells. |
| | B) | seminiferous tubules of the testes. |
| | C) | anterior lobe of the pituitary. |
| | D) | sperm cells. |
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| 3 | |
Early in development (4 months after fertilization), the testes |
| | A) | are found in the peritoneal cavity. |
| | B) | produce a membrane that becomes the scrotum. |
| | C) | produce sperm cells. |
| | D) | all of the above. |
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| 4 | |
The site of spermatogenesis in the male is the |
| | A) | ductus deferens. |
| | B) | seminiferous tubules. |
| | C) | epididymis. |
| | D) | rete testis. |
| | E) | efferent ductule. |
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| 5 | |
The location of final maturation and storage of sperm cells before their ejaculation is the |
| | A) | seminal vesicles. |
| | B) | seminiferous tubules. |
| | C) | glans penis. |
| | D) | epididymis. |
| | E) | sperm bank. |
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| 6 | |
Given these structures:
1. ductus deferens
2. efferent ductule
3. epididymis
4. ejaculatory duct
5. rete testis
Choose the arrangement that lists the structures in the order a sperm cell passes through them from the seminiferous tubules to the urethra. |
| | A) | 2,3,5,4,1 |
| | B) | 2,5,3,4,1 |
| | C) | 3,2,4,1,5 |
| | D) | 3,4,2,1,5 |
| | E) | 5,2,3,1,4 |
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| 7 | |
Concerning the penis, |
| | A) | the membranous urethra passes through the corpora cavernosa. |
| | B) | the glans penis is formed by the corpus spongiosum. |
| | C) | the penis contains four columns of erectile tissue. |
| | D) | the crus of the penis is part of the corpus spongiosum. |
| | E) | the bulb of the penis is covered by the prepuce. |
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| 8 | |
Given these glands:
1. prostate gland
2. bulbourethral gland
3. seminal vesicle
Choose the arrangement that is in the order the glands contribute their secretions to the formation of semen. |
| | A) | 1,2,3 |
| | B) | 2,1,3 |
| | C) | 2,3,1 |
| | D) | 3,1,2 |
| | E) | 3,2,1 |
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| 9 | |
Which of these glands is correctly matched with the function of its secretions? |
| | A) | bulbourethral gland—neutralizes acidic contents of the urethra |
| | B) | seminal vesicles—contain large amounts of fructose, which nourishes the sperm cells |
| | C) | prostate gland—contains clotting factors that cause coagulation of the semen |
| | D) | all of the above |
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| 10 | |
LH in the male stimulates |
| | A) | development of the seminiferous tubules. |
| | B) | spermatogenesis. |
| | C) | testosterone production. |
| | D) | both a and b. |
| | E) | all of the above. |
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| 11 | |
Which of these factors causes a decrease in GnRH release? |
| | A) | decreased inhibin |
| | B) | increased testosterone |
| | C) | decreased FSH |
| | D) | decreased LH |
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| 12 | |
In the male, before puberty |
| | A) | FSH levels are higher than after puberty. |
| | B) | LH levels are higher than after puberty. |
| | C) | GnRH release is inhibited by testosterone. |
| | D) | all of the above. |
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| 13 | |
Testosterone |
| | A) | stimulates the development of terminal hairs. |
| | B) | decreases red blood cell count. |
| | C) | prevents closure of the epiphyseal plate. |
| | D) | decreases blood volume. |
| | E) | all of the above. |
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| 14 | |
Which of these is consistent with erection of the penis? |
| | A) | parasympathetic stimulation |
| | B) | dilation of arterioles |
| | C) | engorgement of sinusoids with blood |
| | D) | occlusion of veins |
| | E) | all of the above |
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| 15 | |
The first polar body |
| | A) | is normally formed before fertilization. |
| | B) | is normally formed after fertilization. |
| | C) | normally receives most of the cytoplasm. |
| | D) | is larger than an oocyte. |
| | E) | both a and b. |
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| 16 | |
After ovulation the mature follicle collapses, taking on a yellowish appearance to become the |
| | A) | degenerating follicle. |
| | B) | corpus luteum. |
| | C) | corpus albicans. |
| | D) | tunica albuginea. |
| | E) | cumulus mass. |
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| 17 | |
The ampulla of the uterine tube |
| | A) | is the opening of the uterine tube into the uterus. |
| | B) | has long, thin projections called the ostium. |
| | C) | is connected to the isthmus of the uterine tube. |
| | D) | is lined with ciliated columnar epithelium. |
| | E) | both C and D are correct. |
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| 18 | |
The layer of the uterus that undergoes the greatest change during the menstrual cycle is the |
| | A) | perimetrium. |
| | B) | hymen. |
| | C) | endometrium. |
| | D) | myometrium. |
| | E) | broad ligament. |
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| 19 | |
The vagina |
| | A) | consists of skeletal muscle. |
| | B) | has ridges called rugae. |
| | C) | is lined with simple squamous epithelium. |
| | D) | all of the above. |
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| 20 | |
During sexual excitement, which of these structures fills with blood and causes the vaginal opening to narrow? |
| | A) | bulb of the vestibule |
| | B) | clitoris |
| | C) | mons pubis |
| | D) | labia majora |
| | E) | prepuce |
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| 21 | |
Given these vestibular-perineal structures:
1. vaginal opening
2. clitoris
3. urethral opening
4. anus
Choose the arrangement that lists the structures in their proper order from the anterior to the posterior aspect. |
| | A) | 2,3,1,4 |
| | B) | 2,4,3,1 |
| | C) | 3,1,2,4 |
| | D) | 3,1,4,2 |
| | E) | 4,2,3,1 |
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| 22 | |
Concerning the breasts, |
| | A) | lactiferous ducts open on the areola. |
| | B) | each lactiferous duct supplies an alveolus. |
| | C) | they are attached to the pectoralis major muscles by mammary ligaments. |
| | D) | even before puberty, the female breast is quite different from the male breast. |
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| 23 | |
The major secretory product of the mature follicle is |
| | A) | estrogen. |
| | B) | progesterone. |
| | C) | LH. |
| | D) | FSH. |
| | E) | relaxin. |
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| 24 | |
In the average adult female, ovulation occurs at day ____________ of the menstrual cycle. |
| | A) | 1 |
| | B) | 7 |
| | C) | 14 |
| | D) | 21 |
| | E) | 28 |
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| 25 | |
Which of these processes or phases in the monthly reproductive cycle of the human female occur at the same time? |
| | A) | maximal LH secretion and menstruation |
| | B) | early follicular development and the secretory phase of the uterus |
| | C) | regression of the corpus luteum and an increase in ovarian progesterone secretion |
| | D) | ovulation and menstruation |
| | E) | proliferation stage of the uterus and increased estrogen production |
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| 26 | |
During the proliferative phase of the menstrual cycle, one would normally expect |
| | A) | the highest levels of estrogen that occur during the menstrual cycle. |
| | B) | the mature follicle to be present in the ovary. |
| | C) | an increase in the thickness of the endometrium. |
| | D) | both a and b. |
| | E) | all of the above. |
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| 27 | |
The cause of menses in the menstrual cycle appears to be |
| | A) | increased progesterone secretion from the ovary, which produces blood clotting. |
| | B) | increased estrogen secretion from the ovary, which stimulates the muscles of the uterus to contract. |
| | C) | decreased progesterone secretion by the ovary. |
| | D) | decreased production of oxytocin, causing the muscles of the uterus to relax. |
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| 28 | |
After fertilization the successful development of a mature, full-term fetus depends upon the |
| | A) | release of human chorionic gonadotropin (HCG) by the developing placenta. |
| | B) | production of estrogen and progesterone by the placental tissues. |
| | C) | maintenance of the corpus luteum for all 9 months. |
| | D) | both a and b. |
| | E) | all of the above. |
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| 29 | |
A woman with a 28-day menstrual cycle is most likely to become pregnant as a result of coitus on days |
| | A) | 1 - 3. |
| | B) | 5 - 8. |
| | C) | 9 - 14. |
| | D) | 15 - 20. |
| | E) | 21 - 28. |
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| 30 | |
Menopause |
| | A) | develops when follicles become less responsive to FSH and LH. |
| | B) | results from elevated estrogen levels in 40- to 50-year-old women. |
| | C) | occurs because too many follicles develop during each cycle. |
| | D) | results when follicles develop but contain no oocytes. |
| | E) | occurs because FSH and LH levels decline. |
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