Which term means the stopping of a flow of blood?

Which term means the stopping of a flow of blood?

• A. Hemostasis
• B. Hemorrhage
• C. Coagulation
• D. Thrombosis

Answer: (A)

The stopping of a flow of blood is hemostasis. This is a coordinated response that begins with constriction of injured vessels, then the formation of a platelet plug to seal the opening, and finally the coagulation cascade that strengthens the plug with fibrin to permanently seal the vessel. Hemorrhage refers to ongoing or active bleeding, so it’s the opposite of stopping the flow. Coagulation is the clotting process that helps stop bleeding, but the term for the overall stoppage is hemostasis. Thrombosis is the formation of a clot within a blood vessel that can obstruct flow, which is a pathological process rather than the normal stopping of bleeding.

The stopping of a flow of blood is hemostasis. This is a coordinated response that begins with constriction of injured vessels, then the formation of a platelet plug to seal the opening, and finally the coagulation cascade that strengthens the plug with fibrin to permanently seal the vessel. Hemorrhage refers to ongoing or active bleeding, so it’s the opposite of stopping the flow. Coagulation is the clotting process that helps stop bleeding, but the term for the overall stoppage is hemostasis. Thrombosis is the formation of a clot within a blood vessel that can obstruct flow, which is a pathological process rather than the normal stopping of bleeding.