The vast majority of cases of mental retardation are due to
A. prenatal influences
B. postnatal influences
C. unknown causes
D. head trauma
C. unknown causes
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In middle childhood, what is one of the main reasons for ending a friendship?
a. differences in interests b. a betrayal of trust c. moving away from the neighborhood d. fighting or bickering over a member of the opposite sex
This type of love incorporates the components of intimacy, passion, and commitment.
a. Romantic b. Consummate c. Companionate d. Fatuous
Which of the following is NOT one of the explanations for the punishing nature of
medical training presented in this chapter? a. need for intensive training to prepare for difficulties of being a physician b. enduring hardship puts medical trainees in better touch with their emotions c. the training represents something like a hazing ritual d. in order to learn a lot, you have to see as many patients as possible, quickly e. doctors-in-training provide cheap labor
One way to explain canalization is to say that growth proceeds
A) from the top of the body downward. B) from the core of the body outward. C) in different parts of the body according to different time tables. D) along a relatively predetermined path.