Virchow's triad includes all except: (A) Vessel wall endothelial injury, (B) Thrombus formation, (C) Local blood stasis, (D) Intimal tear
Answer is D. Ans. d (Intimal tear). (Ref. Robbin, Pathologic Basis of Disease, 6th ed., 124)Three primary influences predispose to thrombus formation, the so-called Virchow's triad;# Endothelial injury (single most vital factor)# Stasis or turbulence of blood flow# Blood hypercoagulability