This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anticoagulants and Coagulants, Subject name: Pharmacology
Effect of Heparin is reversed by - 
Select and explain. 
A. Vitamin K, B. Protamine, C. Hirudin, D. Tranexaemicacid
B: Protamine
Answer: B: Protamine 
Explanation: Ans. is 'b' i.e., Protamine "If bleeding occurs, administration of protamine sulfate is indicated".------Katzungo Specific antidote for heparin - Protamine sulfateo Specific antidote for oral anticoagulants - Vit. K1 (phytonadione)