This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
A patient who is on LMWH, suddenly develops hemorrhage, next step is? 
Select and explain. 
A. Level of factor X, B. APTT, C. Platelet count, D. PT
A: Level of factor X
Answer: A: Level of factor X 
Explanation: Ref: Harrison's Principles of Internal Medicine, 18th edition, pg no: 996LMWH is monitored by factor Xa assay.