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
Doc for Heparin induced thrombocytopenia is? 
Select and explain. 
A. Argatroban, B. Warfarin, C. Low molecular weight heparin, D. Dabigatran
A: Argatroban
Answer: A: Argatroban 
Explanation: DOC for HIT is direct thrombin inhibitor like argatroban. Dabigatran could be used but it has more serious complications so not frequently used.