WITH 100% CORRECT ANSWERS |
LATEST VERSION 2025/2026.
Hemostasis - ANS The process that prevents and stops bleeding, involving the formation of a
platelet plug.
Platelet Plug Formation - ANS Occurs when blood vessel damage exposes collagen, activating
platelets to change shape, release ADP and TXA2, and aggregate to stop bleeding.
Coagulation: Extrinsic Pathway - ANS Activated by tissue factor outside the blood, leading to
the activation of factor VII, which activates factor X and catalyzes prothrombin into thrombin.
Thrombin - ANS An enzyme that catalyzes fibrinogen into fibrin, activates factor V into Va,
and converts factor VIII into its active form VIIIa.
Coagulation: Intrinsic Pathway - ANS Activated by factors within the blood, starting with
factor XII exposed to collagen, leading to the activation of factor X.
Thrombosis - ANS The formation of a blood clot within a blood vessel.
Anticoagulants - ANS Drugs that disrupt the coagulation cascade and suppress fibrin
production, primarily used for venous thrombosis.
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