Which of the following clients most clearly exemplifies the vulnerability model of dual diagnosis?
A) A client with a diagnosis of schizophrenia who admits that she uses marijuana to control the frequency and severity of her symptoms
B) A client with a family history of alcoholism who has developed Wernicke's encephalopathy after many years of heavy alcohol use
C) A client with depression who was introduced to cocaine and has continued to use it in an effort to experience relief
D) A client who has a diagnosis of antisocial personality disorder and who uses alcohol to numb the pain of a traumatic childhood
Ans: B
The vulnerability model of dual diagnosis posits that substance use precipitates a mental health disorder. An example of this cause and effect relationship would be the development of alcohol-induced encephalopathy after a history of heavy alcohol use. The self-medication hypothesis is a counterpoint in which substance use is a response to mental illness.
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