CHAPTER TWO 1. Answer: b. The activity of dopamine on certain parts of the brain is most associated with the regulation of libido in humans. 2. Answer: a. Freud believed that libido is a type of energy that comes from subconscious desires of part of the psyche called the id. It was believed that libido was a natural desire like hunger and thirst. 3. Answer: d. Men have twice as many fantasies and will have more varied fantasies when compared to women. 4. Answer: b. Men are much less likely to be aroused by the gender opposite to their orientation. In contrast, women are more fluid with regard to what they are aroused by. 5. Answer: b. The vagina itself is not very erogenous but some women will have sensitivity of the anterior vaginal wall, sometimes referred to as the G-spot. 6. Answer: c. Each of these areas are likely to be erogenous, except for the midback, which doesn’t have very many nerve endings so it is not likely typically sensitive. 7. Answer: c. The orgasm phase is when there is the sudden discharge of sexual energy that has built up during the excitement and plateau phases of the sexual response cycle. 8. Answer: a. Each of these is a hormone released by the body as a result of an orgasm, except for testosterone. These all lead to feelings of relaxation and euphoria. 9. Answer: c. Each of these is untrue except that orgasms last longer in women compared to men. 10. Answer: d. Herbal substances are difficult to study in humans, particularly as aphrodisiacs, because of a high risk of experiencing a false positive effect because of what’s called the placebo effect.
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