Which statement is true of the motor homunculus?
A. Damage to a part of the motor homunculus on one side of the brain would impair motor function of the entire body on the same side as the damage.
B. The homunculus represents the specific body muscle groups that are controlled by specific regions of the cortex.
C. The homunculus represents the specific body parts that send afferent signals to a specific region of the cortex.
D. There is only one homunculus in the human brain.
Answer: B
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Early treatments for tuberculosis included isolating patients in sanitariums, after they were infected with the disease. This was done to prevent those patients from infecting others. Isolation in sanitariums is one example of:
a. auxiliary prevention b. primary prevention c. tertiary prevention d. secondary prevention
In her experiment in which a toy is hidden in both a room and a scale model, Judy DeLoache found that
a. three-year-olds and two-and-a-half-year-olds successfully used the model. b. children of neither age were successful in using the model. c. older children, but not younger children, were successful. d. younger children, but not older children, were successful.
Which is more effective at treating psychological problems, psychotherapy or medication?
a. Research has shown that psychotherapy is the most effective treatment for psychological problems. b. Research has shown that medication is the most effective treatment for psychological problems. c. Research has shown that neither psychotherapy nor medication is significantly better than the other at helping to treat psychological problems. d. The determination of whether psychotherapy or medication is better depends on the person and the condition being treated. Sometimes it is one or the other, and sometimes it is both together.
What is one of the major cultural reasons that there are differences in rates of death from heart disease among ethnic groups in the United States?
a. diet b. exercise c. sedentary employment d. lack of health insurance