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
All of the following are anticoagulant ,except 
Select and explain. 
A. Phytonadione, B. Warfarin, C. LMW heparin, D. Lepirudin
A: Phytonadione
Answer: A: Phytonadione 
Explanation: Phytonadione is Vit K. All others are anti coagulants. From essential of medical pharmacology K D Tripati 7th edition Page no 613