Henry is a 68-year-old man who has been showing signs of Alzheimer's disease, including visual hallucinations and disturbed behaviors
When he was placed on antipsychotic medications, Henry suffered significant adverse reactions. This could indicate that Henry does not have Alzheimer's disease, but which of the following conditions?
A) Lewy body disease
B) Huntington's disease
C) Pick's disease
D) Creutzfeldt-Jakob disease
Ans: A
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Lewy body disease is sometimes mistaken for AD because of clinical similarity, but there are earlier and more prominent visual hallucinations, parkinsonian features, and disturbed behaviors. A distinguishing characteristic is significant adverse reactions to antipsychotic drugs.
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