A 10-year-old boy with marked hemorrhagic syndrome has no antihemophilic globulin A in his blood plasma. What mechanism of coagulation hemostasis is disturbed in this case?
- A Conversion of fibrinogen to fibrin
- B Activation of prothrombinase
- C Blood clot retraction
- D Conversion of prothrombin to thrombin
- E Fibrinolysis
Правильна відповідь: B. Activation of prothrombinase
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