Multiple choice

In the blood bank, donor's blood is treated with .............. chemical to prevent clotting.

  1. heparin

  2. sodium citrate

  3. sodium glycocholate

  4. sodium taurocholate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sodium citrate is the standard anticoagulant used in blood banks because it chelates calcium ions, which are essential for the clotting cascade. Heparin is also an anticoagulant but not typically used for blood storage. Sodium glycocholate and taurocholate are bile salts unrelated to coagulation.

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