A patient is thin, tense, jittery, and has dilated pupils. The patient says, "My heart is pounding in my chest. I need help." The patient allows vital signs to be taken but then becomes suspicious and says, "You could be trying to kill me." The patient refuses further examination. Abuse of which substance is most likely?
A) PCP
B) Heroin
C) Barbiturates
D) Amphetamines

Question

Quizplus · Accepted Answer

The physical symptoms are consistent with CNS stimulation. Suspicion and paranoid ideation are also present. Amphetamine use is likely. PCP use would probably result in bizarre, violent behavior. Barbiturates and heroin would result in symptoms of CNS depression.

A Patient Is Thin, Tense, Jittery, and Has Dilated Pupils