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| 1 | |
From each primary spermatocyte, ______ sperm cell(s) is (are) produced; from each primary oocyte, ______ secondary oocyte(s) is (are) produced. |
| | A) | 1, 2 |
| | B) | 1, 4 |
| | C) | 2, 2 |
| | D) | 4, 1 |
| | E) | 4, 2 |
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| 2 | |
Sperm cells are produced in the |
| | A) | Sertoli cells. |
| | B) | interstitial cells (cells of Leydig). |
| | C) | epididymis. |
| | D) | rete testis. |
| | E) | seminiferous tubules. |
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| 3 | |
To be capable of fertilizing an oocyte, sperm cells must spend several days in the |
| | A) | ductus deferens. |
| | B) | spermatic cord. |
| | C) | epididymis. |
| | D) | seminal vesicle. |
| | E) | ejaculatory duct. |
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| 4 | |
From the ejaculatory duct, sperm cells travel directly into the |
| | A) | seminal vesicle. |
| | B) | prostatic part of the urethra. |
| | C) | spongy part of the urethra. |
| | D) | membranous part of the urethra. |
| | E) | ductus deferens. |
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| 5 | |
The glans penis is part of the |
| | A) | corpus spongiosum. |
| | B) | corpus cavernosa. |
| | C) | prepuce. |
| | D) | prostate gland. |
| | E) | scrotum. |
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| 6 | |
Which of these structures contributes the greatest percentage to semen? |
| | A) | bulbourethral glands |
| | B) | prostate |
| | C) | corpus spongiosum |
| | D) | seminal vesicles |
| | E) | testes |
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| 7 | |
In regard to male sex hormones, |
| | A) | testosterone has a positive-feedback effect on LH secretion. |
| | B) | testosterone stimulates interstitial cells. |
| | C) | testosterone has a negative-feedback effect on GnRH secretion. |
| | D) | inhibin has a negative-feedback effect on GnRH secretion. |
| | E) | LH stimulates the Sertoli cells. |
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| 8 | |
The hormone that triggers ovulation is |
| | A) | LH. |
| | B) | estrogen. |
| | C) | progesterone. |
| | D) | FSH. |
| | E) | GnRH. |
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| 9 | |
After ovulation, the granulosa cells of the ruptured follicle become the |
| | A) | mature follicle. |
| | B) | polar body. |
| | C) | zona pellucida. |
| | D) | corpus luteum. |
| | E) | theca cells. |
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| 10 | |
The space into which the vagina and urethra open is the |
| | A) | pudendal cleft. |
| | B) | vestibule. |
| | C) | cervix. |
| | D) | uterine cavity. |
| | E) | peritoneal cavity. |
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| 11 | |
The lining of the uterus that is sloughed off during menstruation is part of the |
| | A) | serous layer, or perimetrium. |
| | B) | myometrium. |
| | C) | endometrium. |
| | D) | prepuce. |
| | E) | vestibule. |
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| 12 | |
The first episode of menstrual bleeding is called |
| | A) | PMS. |
| | B) | menarche. |
| | C) | menopause. |
| | D) | amenorrhea. |
| | E) | female climacteric. |
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| 13 | |
The time between the ending of menses and ovulation is called the ______ phase. |
| | A) | endometrial phase. |
| | B) | secretory phase. |
| | C) | menarche phase. |
| | D) | luteal phase. |
| | E) | proliferative phase. |
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| 14 | |
While the follicle is developing, a positive-feedback loop occurs in which ______ stimulates the follicle, which increases the secretion of ______, which stimulates GnRH secretion. |
| | A) | LH, estrogen |
| | B) | FSH, estrogen |
| | C) | LH, progesterone |
| | D) | FSH, progesterone |
| | E) | FSH, LH |
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| 15 | |
In a normal 28-day menstrual cycle, ovulation occurs about |
| | A) | day 10. |
| | B) | day 12. |
| | C) | day 14. |
| | D) | day 21. |
| | E) | day 26. |
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| 16 | |
Secretions from the ______ are thick and mucuslike and contain the sugar fructose and other nutrients that provide nourishment to sperm cells. The secretions also contain proteins that weakly coagulate after ejaculation and enzymes that are thought to help destroy abnormal sperm cells. Prostaglandins are also present in the secretions and can cause contractions of the female reproductive tract. |
| | A) | testes |
| | B) | bulbourethral glands |
| | C) | Cowper's glands |
| | D) | seminal vesicles |
| | E) | prostate gland |
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| 17 | |
All of the following are effects of testosterone on target tissues EXCEPT: |
| | A) | Enlargement of the larynx and a deeper masculine voice |
| | B) | Increased release of sodium and water by the kidneys, resulting in a decreased extracellular fluid volume |
| | C) | Increased skeletal muscle mass at puberty |
| | D) | Increased metabolic rate of most tissues in the body |
| | E) | Coarser skin texture with increased secretion from the sebaceous glands |
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| 18 | |
The movement of sperm cells, mucus, prostatic secretions, and seminal vesicle secretions into the prostatic, membranous, and spongy urethra is |
| | A) | emission. |
| | B) | resolution. |
| | C) | ejaculation. |
| | D) | orgasm. |
| | E) | impotence. |
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