Dr. Kantor recently identified a genetic mutation that causes infertility in men. She found that a mutation in the ____ gene causes sperm to swim in a circle, rather than in a forward direction,
thus significantly decreasing the chances that the sperm will find the female ovum.
a. sperm propellant protein c. sperm kinase specific protein
b. sperm associated glycoprotein d. sperm forward-mobility protein
ANS: D
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A. priapism B. human immunodeficiency virus (AIDS) C. hepatitis B D. chlamydia
Which of the following occurs during andropause?
A. The percentage of sperm in the semen increases. B. The development of secondary sex characteristics starts. C. The foreskin of the penis tears. D. The production of testosterone slows down. E. The depth of sensation in the genitals increases.
In the context of Hinduism, which of the following is one of the guidelines related to sex?
A. Women are encouraged to tolerate adultery to save their marriage. B. Women are not expected to be virgins when they marry. C. Ultimate pleasure without any restraint is valued. D. Same-sex sexual desire is considered immoral. E. Sex is a taboo and not discussed openly in the home.
Which of the following is characteristic of the climacteric?
A. It is marked particularly by a decline in the functioning of the ovaries. B. It marks the onset of menarche in young women. C. It occurs during the first stage of puberty in young women. D. It results in an increase in the production of sex hormones in women.