This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Drug of choice for essential tremors 
Select and explain. 
A. Sotalol, B. Propranolol, C. Methylphenidate, D. prazosin
B: Propranolol
Answer: B: Propranolol 
Explanation: Ref: HL Sharma 3rd ed pg no:189 Nonselective beta blockers are used for essential tremors they occur due to contraction of skeletal muscles (beta 2 receptors) cardioselective beta blockers are not useful