Select all that applyList the three hemostatic mechanisms.Multiple select question.vascular spasmblood clottingplatelet plug formationvasodilation

Hemostatic Mechanisms

1. Vascular Spasm: This is the immediate response to blood vessel injury, where the blood vessels constrict to reduce blood flow and minimize blood loss.

2. Platelet Plug Formation: This mechanism involves the aggregation of platelets at the site of injury. Platelets adhere to the exposed collagen of the damaged vessel and release substances that attract more platelets to form a temporary plug.

3. Blood Clotting (Coagulation): This involves a complex cascade of events that leads to the conversion of fibrinogen into fibrin, forming a stable clot that seals the break in the blood vessel.

Excluded Mechanism

• Vasodilation: This is the widening of blood vessels and is not a hemostatic mechanism; rather, it increases blood flow and would be counterproductive in the context of hemostasis.

Final Answer

The three hemostatic mechanisms are:

1. Vascular spasms
2. Platelet plug formation
3. Blood clotting