Which of the following statements regarding hemostasis is not true?
A) Platelets release thromboplastin.
B) Thromboplastin reacts with prothrombin to form thrombin.
C) Thrombin works to convert fibrinogen to fibrin.
D) Fibrin converts platelets into a clot.
D
Explanation: Fibrin eventually becomes the meshlike blood clot; it does not convert platelets. The other statements are true.
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