This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Drug used to treat tremors in hypehyroidism is: September 2008 
Select and explain. 
A. Adrenaline, B. Propranolol, C. Noradrenaline, D. Dopamine
B: Propranolol
Answer: B: Propranolol 
Explanation: Ans. B: Propranolol Beta-blockers such as propranolol help control many of the symptoms of hypehyroidism. These drugs can slow a fast hea rate, reduce tremors, and control anxiety. Beta-blockers are paicularly useful for people with extreme hypehyroidism and for people with bothersome or dangerous symptoms that have not responded to other treatments. However, beta-blockers do not reduce excess thyroid hormone production. Therefore, other treatments are added to bring hormone production to normal levels.