Factor which activates preaccelerin to Vila -
Ans. is 'a' i.e., Tissue factor o Preaccelerin (factor VII) is activated to factor Vila by tissue factoro Tissue factor is the cofactor for both factor VII and Vilao When IF binds to factor VII it promotes its activation to Vilao When TF binds to Vila, the TF- Vila complex catalyzes the activation of factor X.
Tissue factor
Christmas factor
Fibrim
Prothrombin
Blood: Hemostasis and Blood Coagulation