All the following are true about hemostasis EXCEPT: Liver make ALL the clotting factors All the above statements are correct A deficiency of calcium will make coagulation not occur Low platelets is a condition called hemophilia The extrinsic and intrinsic coagulation pathways converge at Factor X
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- Liver make ALL the clotting factors - All the above statements are correct - A deficiency of calcium will make coagulation not occur - Low platelets is a condition called hemophilia - The extrinsic and intrinsic coagulation pathways converge at Factor X Show more…
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Which of the following statements are true of hemostasis? (Read carefully and select all the correct statements.) (4 marks) a) Platelets will stick to any rough surface. b) The greater the damage, the faster chemical clotting will begin. c) Platelet plugs are not useful in capillaries. d) Vascular spasm is not possible in capillaries because they do not have endothelium. e) Vascular spasm constricts a damaged artery and makes the break smaller. f) When a large vessel ruptures, vascular spasm must occur before chemical clotting can be useful.
Dominador T.
Select the incorrect statement from the following: (a) When platelet releases certain factor which initiate clotting it is known as intrinsic pathway. (b) When injured tissue releases certain factor which initiate clotting it is known as extrinsic pathway. (c) Calcium plays a minor role in clotting. (d) Coagulation prevent excessive loss of blood from the body from injured part.
(a) Define hemostasis. (b) List the three major phases of coagulation. Explain what initiates each phase and what the phase accomplishes. (c) In what general way do the intrinsic and extrinsic mechanisms of clotting differ? (d) Which ion is essential to virtually all stages of coagulation?
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