Which of the following is true of men as they age?
A. Their refractory period lengthens.
B. They become less prone to erectile problems.
C. They cease to produce viable sperm.
D. They become incapable of orgasming.
Answer: A
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During sexual excitement, the vagina will lubricate due to ____ leaking out of blood vessels near the surface of the vaginal walls
a. fluid c. mucous b. female lubricating protein factor d. blood
From an evolutionary perspective, the purpose of flirtation is to ____
a. ensure male dominance b. pave the way for sexual interactions that can propagate the species c. ensure that a woman will always have food provided for her d. increase a "pack" mentality
In general, if ______ of the data is missing, then it is appropriate to use listwise deletion.
A. less than 10% B. more than 10% C. less than 50% D. more than 50%
Which of the following is true about heterosexuality?
A. It is more important in the female role. B. It is an insignificant part of gender roles. C. It is a deviant form of sexual expression. D. It is more important in male roles than female roles.