This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Medicine
Which of the following drugs is used for treatment of cancer associated thromboembolism? 
Select and explain. 
A. LMW heparin, B. Anti-thrombin III inhibitors, C. Direct factor Xa inhibitors, D. Warfarin
A: LMW heparin
Answer: A: LMW heparin 
Explanation: Cancer is a hypercoagulable state, so there is clot formation in the leg of patient and that goes to brain and cause stroke like presentation. Rx= LMW heparin (enoxaparin 40 mg OD 4 weeks)