Which test tube from the given options is NOT | vedclass

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(B) To prevent the clotting of collected blood,anticoagulants or specific storage conditions are used. $1$. Heparin is a natural anticoagulant that pr

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Test tube with calcium bicarbonate

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(B) To prevent the clotting of collected blood,anticoagulants or specific storage conditions are used. $1$. Heparin is a natural anticoagulant that prevents blood clotting. $2$. Sodium oxalate acts as a chelating agent by binding to calcium ions,which are essential for the coagulation cascade. $3$. Calcium bicarbonate is not an anticoagulant; in fact,calcium ions are required for the blood clotting process. Therefore,adding calcium bicarbonate would promote rather than prevent clotting. $4$. While low temperatures can slow down enzymatic reactions,simply keeping a test tube at room temperature without any anticoagulant will result in blood coagulation.

Which test tube from the given options is $NOT$ used for keeping blood in a non-coagulated state for the analysis of blood corpuscles?

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