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
All of following inhibit peripheral conversion of T4 and T3 except - 
Select and explain. 
A. Propylthiouracil, B. Methimazole, C. Proparanolal, D. Amiodarone
B: Methimazole
Answer: B: Methimazole 
Explanation: Ans is 'b' i.e. Methimazole o Propylthiouracil, propranolal, amiodarone and glucocoicoids inhibit peripheral conversion of T4 and T3.