During which phase do platelets adhere?

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Study for the NHCO Phlebotomy Test. Experience flashcards and multiple-choice questions with hints and explanations. Prepare effectively for your phlebotomy exam!

Multiple Choice

During which phase do platelets adhere?

Explanation:
Platelet adhesion happens during the platelet phase of hemostasis. When a vessel is injured, the exposed subendothelial collagen is bound by von Willebrand factor, which anchors platelets to the site through their surface receptors. This adhesion starts the formation of the platelet plug, followed by platelet activation and release of granule contents that recruit and activate more platelets to strengthen the plug. The vascular phase is about immediate vasoconstriction to slow blood loss, while the coagulation phase builds a fibrin mesh to stabilize the clot, and fibrinolysis later works to break it down.

Platelet adhesion happens during the platelet phase of hemostasis. When a vessel is injured, the exposed subendothelial collagen is bound by von Willebrand factor, which anchors platelets to the site through their surface receptors. This adhesion starts the formation of the platelet plug, followed by platelet activation and release of granule contents that recruit and activate more platelets to strengthen the plug. The vascular phase is about immediate vasoconstriction to slow blood loss, while the coagulation phase builds a fibrin mesh to stabilize the clot, and fibrinolysis later works to break it down.

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