End of Chapter 7 questions

The best evidence that the brains of people with sexual variations have been masculinized of feminized contrary to their chromosomal sex is (are) their a) behavior and cognitive abilities b) genital appearance c) physical appearance d) adult hormone level

a) behavior and cognitive abilities

The chromosomal sex of a fetus is determined a) by the sperm b) by the egg c) by a combination of effects from the two d) in an unpredictable manner

a) by the sperm

A likely result of the Coolidge effect is that an individual will a) be monogamous b) have more sex partners c) prolong a sexual encounter d) prefer attractive mates

b) have more sex partners

Testosterone injections in a gay man would most likely a) have no effect b) increase his sexual activity c) make him temporarily bisexual d) reverse his sexual preference briefly

b) increase his sexual activity

The main point of the discussion of cognitive and behavioral differences between the sexes was to a) illustrate the importance of experience b) make a case for masculinization and feminization of the brain c) make the point that men and women are suited for different roles d) explain why men are usually over dominant over women

b) make a case for masculinization and feminization of the brain

Evidence has been most positive for a pheromone-like effect on _____ in humans. a) menstrual cycles b) sexual attraction c) the VNO d) a and b e) a, b, and c

b) sexual attraction

Evidence that lesbianism is biologically influenced is a) that there is a high concordance among identical twins b) that lesbians have a couple of distinctive physical features c) that a brain structure is larger in lesbians and men in heterosexual women d) both a and b e) both b and c

b) that lesbians have a couple of distinctive physical features

The chapter opened with the story of a boy born with female genitals. At puberty he grew a penis; developed muscles, a deep voice, and a beard; and became more masculine in behavior. The changes during puberty were ______ effects. a) activating b) organizing c) activating and organizing d) none of the above

c) activating and organizing

The sex difference in the size of the sexually dimorphic nucleus due to a) experience after birth b) genes c) sex hormones d) both genes and experience

c) sex hormones

Of the following, the best argument is that sex is a drive like hunger and thirst is that a) almost everyone is interested in sex b) sexual motivation is so strong c) sexual behavior involves arousal and satiation d) sexual interest varies from one time to another

c) sexual behavior involves arousal and satiation

The most prominent structure in the sexual behavior of female rats is the a) MPOA b) medical amygdala c) ventromedial d) sexually dimorphic nucleus

c) ventromedial

The term that describes a person with XX chromosomes and masculine genitals is a) homosexual b) XX SCID c) androgen-insensitive male d) XX DSD

d) XX DSD

The increase in testosterone on nights that couples have intercourse is an example of a) an organizing effect b) an activating effect c) cause d) effect

d) effect

Environmental influences on sexual orientation are a) insignificant in size b) mostly from peers c) mostly within the family d) most likely prenatal

d) most likely prenatal

The part of the sexual response cycle that most resembles homeostasis is a) excitement b) the plateau phase c) orgasm d) resolution

d) resolution