In the behavioral model, past events have _____ influence on present behaviors

A likely biological cause of male homosexuality is

a. a low level of testosterone. b. an excessively high level of testosterone. c. a changing pattern of the secretion of estrogen during the prenatal period. d. the pattern of exposure of the developing brain to sex hormones. e. a low level of adrenaline.

Why are patterns of brain activity due to drug use different than normal brain activity?

a. They affect wide areas of the brain indiscriminantly b. They shut down excitatory areas, and stimulate inhibitory areas c. Drugs are things that are unnatural, and do things the brain doesn't do d. Anything that creates withdrawal is causing damage to the brain