A patient is diagnosed with hereditary coagulopathy that is characterized by factor VIII deficiency. Specify the phase of blood clotting during which coagulation will be disrupted in the given case:

Answer options

1. Thrombin formation
2. Fibrin formation
3. -
4. Clot retraction
5. Thromboplastin formation

Explanation

The deficiency of factor VIII (Hemophilia A) makes it impossible to make thromboplastin. Thrombin is factor II. Fibrin is a factor 1a.