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Question

To prevent clotting, donor's blood is treated with

A
Sodium glycocholate
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B
Sodium citrate
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C
Heparin
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D
Sodium taurocholate
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Solution

The correct option is B Sodium citrate
Buffered sodium citrate is used in clinical laboratories and blood banks as an effective anti-coagulant, usually in a ratio of 1 : 9 sodium citrate/blood. The citrate ion chelates calcium ions in the blood by forming calcium citrate complexes and disrupting the blood clotting mechanism, thus prevents clotting of blood
So, the correct answer is 'Sodium citrate'

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