Anatomy & Physiology II Self-Quiz Ch 28

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1. The scrotum A) regulates the temperature of the testes. B) is a single pouch of skin containing both testes. C) contains detrusor muscles that wrinkle the scrotum and elevates the testes. D) contains cremaster muscles that lower the testes. E) All of these are correct.

2. The testes A) develop within the scrotal cavity. B) produce sperm in their seminiferous tubules. C) contain sustentacular cells that produce testosterone. D) contain interstitial cells that maintain a blood-testis barrier. E) are enclosed in a mucous membrane called the tunica vaginalis.

3. Which of the following cells develops first? A) primary spermatocyte B) secondary spermatocyte C) spermatogonium D) spermatid E) sperm cell

4. Sperm production A) takes over two months to complete. B) yields about 300 million sperm per day. C) occurs in response to FSH. D) yields cells that a head capped by an acrosome, a middle piece full of mitochondria, and a tail. E) All of these are correct.

5. The epididymis A) is a question mark shaped organ that lies along the anterior border of a testis. B) can store sperm for a year or more. C) is the site where sperm become capable of fertilizing an ovum. D) is about 10 cm (2 inches) long when uncoiled. E) is the site where sperm lose motility.

6. The male urethra A) serves both reproductive and urinary functions. B) consists of prostatic, membranous and penile (spongy) regions. C) includes the ejaculatory duct. D) A and B are correct. E) A, B and C are correct.

7. The prostate gland A) surrounds the spongy urethra. B) produces a fluid containing citric acid, which is used for ATP production. C) produces a fluid with a highly alkaline pH. D) produces a fluid containing enzymes that cause semen to coagulate after ejaculation. E) decreases in size with age.

8. Erection A) is a parasympathetic response. B) depends upon dilation of arterioles by nitric oxide. C) of the corpora cavernosa that persists and is painful is called priapism. D) is usually followed by sympathetic responses of emission and ejaculation. E) All of these are correct.

9. Oogenesis A) begins after puberty. B) is completed only after the secondary oocyte has been fertilized. C) produces four viable secondary oocytes from each oogonium. D) is inhibited by FSH. E) produces diploid gametes.

10. The uterine tubes A) attach to the ovaries via multiple fimbriae. B) are not open to the pelvic cavity. C) transport sperm, secondary oocytes and zygotes. D) are lined with simple squamous epithelium. E) are not the usual sites of fertilization.

11. The vagina A) is the female gonad. B) is the outlet for menstrual flow. C) is lined with a serous membrane. D) is blocked by a hymen at its superior end. E) is anterior to the urethra.

12. The female reproductive cycle A) includes the ovarian cycle. B) includes the uterine cycle. C) includes changes in the breast and cervix associated with the ovarian and uterine cycles. D) includes the hormonal changes that accompany the ovarian and uterine cycles. E) All of these are correct.

13. During the proliferative phase, A) the cells of the stratum functionalis undergo mitosis. B) the uterus produces a new stratum basalis. C) the thickness of the endometrium nearly doubles. D) A and B are correct. E) A, B and C are correct.

14. Ovulation A) usually occurs on day 14 in a 28 day cycle. B) is preceded by a dramatic rise in LH levels. C) can be felt by some women. D) A and B are correct. E) A, B and C are correct.

15. The corpus luteum A) becomes the corpus hemorrhagicum. B) has a life span of about 36 weeks if the secondary oocyte is not fertilized. C) produces estrogens and progesterone. D) undergoes apoptosis in the presence of hCG. E) is active during the follicular phase.

16. Which of the following is a typical sign or symptom of menopause? A) hot flashes B) heavy perspiration, particularly when sleeping C) hair loss D) vaginal dryness E) All of these are correct.

17. Signs of aging in the male reproductive system include each of the following EXCEPT: A) increased testosterone production B) increased prostatic hypertrophy C) decreased sperm production D) decreased libido E) decreased sperm viability

Use the following to answer questions 18-20.

Choose the answer that best matches the description or term. A) ovary B) uterine tube C) uterus D) vagina E) vulva

18. female external genitals

19. transports secondary oocyte or fertilized egg to uterus

20. female copulatory organ; part of birth canal

Answer Key - Self-Quiz Ch 28

1. A 2. B 3. C 4. E 5. C 6. D 7. B 8. E 9. B 10. C 11. B 12. E 13. C 14. E 15. C 16. E 17. A 18. E 19. B 20. D