This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
Heparin is the commonly used anticoagulant in cardiac surgery.All of the following are true about heparin EXCEPT: 
Select and explain. 
A. Weakest acid found in living being, B. Most commercial preparations of heparin are derived from pig intestine, C. Acts antithrombin activation, D. Produce thrombocytopenia
A: Weakest acid found in living being
Answer: A: Weakest acid found in living being 
Explanation: Heparin is the strongest acid in the body. All the other statements about heparin are true. From medical pharmacology padmaja 4th edition Page no 334