Problem:
A physician reviews the chart prior to seeing his patient for a consultation. The chart reveals a 50-year-old man who was admitted to the hospital following a suicide attempt made while intoxicated. Which of the following lab values, if noted in the patient's chart, would be the most specific indicator for misuse of alcohol? A. Increased GGT (gamma-glutamyl transferase) B. Increased CDT (carbohydrate-deficient transferrin) C. Increased AST D. Increased ALT