The most widely consumed psychoactive substance in the world is _____.
a. nicotine
b. amphetamines
c. caffeine
d. cocaine
Ans: c. caffeine
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Infants who are securely attached are more likely to
a. venture away from their mothers, using them as a secure base. b. stay close to their mothers, using them as a secure base. c. stay close to their mothers because they are afraid to explore. d. stray from their mothers as they show ambivalence towards them.
International data on average life expectancy can be best described by which of the following statements? a. Life expectancy in various populations worldwide is surprisingly similar
b. Countries around the world differ dramatically in average life expectancy. c. Environmental factors play more of a role in life expectancy than genetics do. d. The lowest average life expectancy in developing countries is 62 years.
Individuals from high uncertainty avoidance cultures:
a. have lower stress. b. suppress their emotions. c. are comfortable with uncertainty. d. need clarity and structure.
MAO inhibitors are biochemical agents that alleviate depressive symptoms in approximately half of the clinically depressed patients who take them. what is the mechanism of action of these drugs?
A. they block synapses that release norepinephrine B. they interfere w/ the destruction of norepinephrine C. they stimulate serotonin production D. they raise levels of monoamine oxidase in the brain