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Questions and Answers
Which of the following best defines hemostasis?
Which of the following best defines hemostasis?
- A condition of abnormal blood clot formation
- A genetic disorder affecting blood clotting
- A condition characterized by excessive bleeding
- A process that stops bleeding (correct)
Which of the following is NOT a component of hemostasis?
Which of the following is NOT a component of hemostasis?
- Fibrinolysis
- Vasodilation (correct)
- Vasoconstriction
- Platelet aggregation
What is the main purpose of hemostasis?
What is the main purpose of hemostasis?
- To stop bleeding (correct)
- To promote blood flow
- To regulate blood pressure
- To prevent blood clotting
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Study Notes
Hemostasis Definition
- Hemostasis is the process of stopping bleeding after an injury or surgery, and it involves a complex interplay of cellular and biochemical components.
Components of Hemostasis
- The three main components of hemostasis are:
- Vasoconstriction: the constriction of blood vessels to reduce blood flow
- Platelet aggregation: the formation of a platelet plug to seal the injured blood vessel
- Coagulation: the formation of a blood clot to reinforce the platelet plug
Purpose of Hemostasis
- The main purpose of hemostasis is to prevent excessive blood loss and maintain blood pressure, ensuring the delivery of oxygen and nutrients to tissues and organs.
Non-Component of Hemostasis
- Inflammation is not a direct component of hemostasis, although it can occur as a response to tissue injury.
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