Blood clotting in a test tube can be prevente | vedclass

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Question

(A) Blood clotting (coagulation) requires calcium ions $(Ca^{2+})$ as a cofactor for the activation of clotting factors. Sodium oxalate acts as an ant

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Sodium oxalate

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(A) Blood clotting (coagulation) requires calcium ions $(Ca^{2+})$ as a cofactor for the activation of clotting factors. Sodium oxalate acts as an anticoagulant by chelating or precipitating the calcium ions present in the blood. By removing free calcium ions,the coagulation cascade is inhibited,thus preventing the blood from clotting in the test tube.

Blood clotting in a test tube can be prevented by adding a small amount of ........

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