Rico Is an Alcoholic,and Even Though He Sometimes Tries to Quit,he

Multiple Choice

Rico is an alcoholic,and even though he sometimes tries to quit,he craves alcohol and feels better after drinking it.His doctor has prescribed Naltrexone to help him abstain from alcohol.How does this medication work?

A) It blocks the neurotransmitters that mediate alcohol's effects on the brain.
B) It reduces the positive expectations about alcohol.
C) It blocks the action of the enzyme that metabolizes alcohol,making the individual sick.
D) It acts to mimic the effects of alcohol,thus making withdrawal more bearable.
E) It reduces some of the tendencies associated with certain personality characteristics that lead to drinking.