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Questions and Answers
What is the primary role of platelets in the clotting mechanism?
What is the primary role of platelets in the clotting mechanism?
- Activating and becoming 'sticky' at the site of bleeding (correct)
- Producing a substance called fibrin
- Forming a web-like accumulation of strands with RBCs
- Engaging in a cascade of chemical reactions
Which factor must be present for the thrombin system to begin?
Which factor must be present for the thrombin system to begin?
- Red blood cells
- Fibrin strands
- Activated clotting proteins
- Calcium ions (correct)
What do anticoagulant drugs primarily aim to do?
What do anticoagulant drugs primarily aim to do?
- Prevent coagulation (correct)
- Overcome clotting deficiencies
- Prevent bleeding and hemorrhage
- Dissolve existing clots
What is the function of the activated clotting proteins in the thrombin system?
What is the function of the activated clotting proteins in the thrombin system?
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What is the role of red blood cells in the clotting process?
What is the role of red blood cells in the clotting process?
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