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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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