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 does not cause 
Select and explain. 
A. Osteoporasis, B. Factor V inhibition, C. Thrombocytopenia, D. Prolongation of a PTT
B: Factor V inhibition
Answer: B: Factor V inhibition 
Explanation: Heparin doesnot cause factor V inhibition whereas it causes all the other three. From medical pharmacology padmaja 4th edition Page no 335