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Questions and Answers
Which of the following is NOT a requirement for normal hemostasis?
Which of the following is NOT a requirement for normal hemostasis?
- Adequate numbers of platelets
- Integrity of small blood vessels
- Normal amounts of coagulation factors
- Normal amounts of coagulation inhibitors (correct)
What induces transient vasoconstriction after vascular injury?
What induces transient vasoconstriction after vascular injury?
- Platelet aggregation
- Granule release
- Coagulation cascade
- Neurohumoral factors (correct)
Which receptors do platelets adhere to during hemostasis?
Which receptors do platelets adhere to during hemostasis?
- GpIIb-IIIa receptors
- Extracellular matrix receptors
- Fibrinogen receptors
- GpIb receptors (correct)
Which molecules lead to further platelet aggregation during hemostasis?
Which molecules lead to further platelet aggregation during hemostasis?
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What is involved in the local activation of the coagulation cascade during hemostasis?
What is involved in the local activation of the coagulation cascade during hemostasis?
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Study Notes
Hemostasis Requirements
- A normal hemostasis process does not require an intact inflammatory response.
Vasoconstriction Induction
- Thromboxane A2 induces transient vasoconstriction after vascular injury.
Platelet Adhesion Receptors
- Platelets adhere to collagen receptors during hemostasis.
Platelet Aggregation Molecules
- Thromboxane A2 and ADP lead to further platelet aggregation during hemostasis.
Coagulation Cascade Activation
- Tissue factor is involved in the local activation of the coagulation cascade during hemostasis.
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Description
Test your knowledge of normal hemostasis and its role in maintaining blood in a fluid state. Explore the factors, inhibitors, and calcium ions involved in the process.
