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← Human Body & HealthWhy does increased blood flow velocity past a newly formed thrombus increase the risk of embolization?
A)Reduces platelet activation by ADP
B)Enhances fibrin polymerization locally
C)Increases shear stress dislodging aggregates✓
D)Decreases antithrombin III effectiveness nearby
💡 Explanation
Increased blood flow creates higher shear stress, and this mechanical force can disrupt the weak bonds holding the platelet aggregate together; this dislodges the thrombus leading to embolization because physical forces overcome the adhesive forces rather than biochemical activation or inhibition. Therefore, increased flow raises embolization risk.
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