A college professor's work performance recently has deteriorated, and his colleagues find him difficult to talk to. If this is due to a problem with drugs, the best description of this professor's behavior as detailed above would be:
A) substance intoxication.
B) substance use disorder.
C) tolerance.
D) withdrawal.

Question

Quizplus · Accepted Answer

The professor's deteriorating work performance and difficulty in communication suggest a pattern of behavior consistent with substance use disorder, which involves problematic use of a substance leading to significant impairment or distress.

A College Professor's Work Performance Recently Has Deteriorated, and His