Cocaine selectively blocks Na+ (sodium) channels, which is the mechanism that leads to

A. CNS stimulation.
B. increased heart rate.
C. local anesthetic effects.
D. cocaine dependence.


C

Psychology

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Ben realized that every time he had an open elective, he took a psychology class. Based on his observation, Ben has decided he must like psychology. Ben's attitude is best explained by:

a. cognitive dissonance theory b. self-perception theory c. the fundamental attribution error model d. the elaboration likelihood model

Psychology

In panic disorder, biological imbalances might initially trigger an attack. However, later feelings of helplessness can increase fear. This description demonstrates the __________ biological and psychological factors in mental disorders

a. interaction of c. cause-effect relationship of b. impossibility of understanding the role of d. lack of relationship between

Psychology

Emily's physician prescribed a benzodiazepine (Valium) to treat an ongoing problem with anxiety. Before prescribing the new medication, the physician was concerned about possible drug interactions, and asked Emily to be very frank about her use of

a. alcohol and barbiturates b. tobacco and St. John's wort. c. methamphetamines. d. marijuana and ecstasy (MDMA).

Psychology

Western cultures tend to express the emotion of anger more than other cultures because Western cultures tend to emphasize

a. a respect for self and others. b. personal independence and free expression. c. the need for closeness with others. d. group membership.

Psychology