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 would be:
A) substance intoxication.
B) substance use disorder.
C) tolerance.
D) withdrawal.

Question

Quizplus · Accepted Answer

Substance use disorder is characterized by a problematic pattern of substance use leading to clinically significant impairment or distress, as evidenced by the professor's deteriorated work performance and difficulty in communication. Substance intoxication, tolerance, and withdrawal are aspects or consequences of substance use but do not directly describe the behavioral impact observed in the scenario.

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