Psychoactive drugs have which type of effect on the body?
A) They potentiate the effect of other drugs on the nervous system.
B) They enhance, suppress, or interfere with the actions of neurotransmitters.
C) They speed up energy metabolism and body movements.
D) They depress or slow all body functions.
Answer: B
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Which of the following statements regarding sweat glands is FALSE?
A) These glands secrete sweat into a duct. B) Sweat contains a small amount of waste products. C) Perspiration cools the body. D) These glands play a role in adolescent acne.
Most skin cancers are curable if:
A. the person is under 60 years of age. B. the person is dark skinned. C. it is caused by a burn. D. detected early.
Which racial group has the highest incidence of prostate cancer in the world?
A) African Americans B) Asian Americans C) Hispanics D) Caucasians
Levels of total cholesterol and LDL cholesterol are directly related to the frequency of coronary heart disease.
Answer the following statement true (T) or false (F)