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
First symptom to appear in alcohol withdrawal is: 
Select and explain. 
A. Visual hallucinations, B. Sleep disturbance, C. Tremors, D. Delirium
C: Tremors
Answer: C: Tremors 
Explanation: 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%