This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance Related and Addictive Disorders, Subject name: Psychiatry
[{'content': 'First symptom to appear in alcohol withdrawal is: \nSelect and explain. \nA. Visual hallucinations, B. Sleep disturbance, C. Tremors, D. Delirium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Tremors usually appear 6-8 hours after last alcohol intake. Withdrawal symptoms : After 6-8 hrs: Tremors (m/c), nausea, vomiting restlessness, mydriasis After 12-24 hrs: alcoholic hallucinosis (auditory) m/c After 24-48 hrs: Alcohol withdrawal seizures (GTCS, clustered seizures) After 48-72 hrs: delirium tremens, if untreated moality rate is 20%', 'role': 'assistant'}]