_____ involves using a drug to the point that it affects one's family, social relationships, and/or work.

_____ involves using a drug to the point that it affects one's family, social relationships, and/or work.

• A. Substance use disorder
• B. Substance intoxication
• C. Substance withdrawal
• D. Substance tolerance

Answer: (A)

The idea being tested is impairment in functioning due to substance use. Substance use disorder is diagnosed when there is a problematic pattern of use that leads to clinically significant problems in important areas of life, such as family, social relationships, or work. The scenario describes continuing to use a drug to the point that it disrupts these areas, which fits the impairment/distress criterion that defines the disorder. Intoxication refers to the immediate, temporary effects of a drug on behavior and physiology, not ongoing life impairment. Withdrawal involves symptoms that occur after stopping use. Tolerance means needing higher amounts of the drug to achieve the same effect. None of those alone describe persistent impairment across key life domains in the way substance use disorder does.

The idea being tested is impairment in functioning due to substance use. Substance use disorder is diagnosed when there is a problematic pattern of use that leads to clinically significant problems in important areas of life, such as family, social relationships, or work. The scenario describes continuing to use a drug to the point that it disrupts these areas, which fits the impairment/distress criterion that defines the disorder.

Intoxication refers to the immediate, temporary effects of a drug on behavior and physiology, not ongoing life impairment. Withdrawal involves symptoms that occur after stopping use. Tolerance means needing higher amounts of the drug to achieve the same effect. None of those alone describe persistent impairment across key life domains in the way substance use disorder does.