Choose the age-related changes that are often seen in the reproductive system of males.
Decreased size and weight of gonadal tissue
Infertility
Changes in the prostate gland
Increased incidence of erection
Decreased libido
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Question 2) A typical ejaculation results in the discharge of 2 to 5 mL of the fluid called ___________.
A.
semen
B.
sperm
C.
seminal vesicle secretions
D.
mucous
E.
prostatic secretions
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Question 3) Meiosis produces __________ in humans.
A.
sperm cells and oocytes
B.
somatic cells
C.
somatic cells and sex cells
D.
neurons
E.
muscle cells
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Question 4) Match the male reproductive structure with its function
1.
Contracts to propel sperm towards ejaculatory duct
Prostate gland
2.
Passage for semen to outside of body
Testis
3.
Secretes portion of semen
Ductus deferens
4.
Secretes reproductive hormones
Urethra
(
Question 5) Sex cells are called _______________.
A.
gametes
B.
sperm
C.
eggs
D.
zygotes
E.
chromosomes
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Question 6) Which of the following is NOT an age-related change of the female reproductive system?
A. dryness of the vagina
B. decreased estrogen and progesterone production
C. cessation of the menses
D. decreased incidence of breast cancer
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Question 7) The contraceptive method that not only prevents fertilization but also provides protection against sexually transmitted diseases is
A. the condom.
B. oral contraceptives.
C. spermicidal agents.
D. coitus interruptus.
E. the diaphragm.
(
Question 8) The contraceptive method in which the penis is removed from the vagina just before ejaculation is called
A. abstinence.
B. rhythm method.
C. coitus interruptus.
D. douching.
E. vaginal removal.
(
Question 9) Which of the following is NOT an age-related change in the male reproductive system?
A. increase in erectile dysfunction
B. prostatic hypertrophy
C. size and weight of testes decrease
D. decline of sperm production until no more sperm are produced
(
Question 10) Which of the following can cause infertility in females?
A. PMS
B. heavy, prolonged menses
C. blockage of the uterine tubes
D. an increased libido
E. psychological factors
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