A progressive decrease in one's response to a drug with repeated and prolonged use is called
a. withdrawal.
b. habituation.
c. dependency.
d. tolerance.
D
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Julian seeks professional help for his fear of spiders. In stages, his therapist shows him pictures, movies, and models of spiders, then a real dead spider, a small live spider in a jar, several live spiders in a jar, and finally a live spider loose in the room. At each stage, he makes sure that Julian is fully relaxed. This technique is known as __________.
A. free association B. systematic desensitization C. aversive conditioning D. transactional therapy
Benjamin Rush, who encouraged more humane treatment of the mentally ill in the United States, used as his principal remedies __________.
A. rest and talk B. bloodletting and the tranquilizing chair C. exorcism and purging D. the tranquilizer chair and relaxation
How do drugs classified as “SSRIs,” such as Prozac, alter neuronal communication?
a. They increase the effectiveness of the neurotransmitter serotonin by stopping its diffusion from the synaptic cleft. b. They decrease the effectiveness of the neurotransmitter serotonin by returning it to the axon terminal for recycling. c. They increase the effectiveness of the neurotransmitter serotonin by blocking its reuptake into the axon terminal. d. They decrease the effectiveness of the neurotransmitter serotonin by facilitating its metabolism by neuronal enzymes.
A person lacking free nerve endings would still be able to ______.
A. react to a needle stick during a blood draw B. drop a hot pan if touched C. determine the shape of an object placed in his/her hand D. react to subzero temperatures