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NEET Biology Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण Question Bank Self Evaluation Test - Body Fluids and Circulation

  • question_answer
    You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?

    A) Test tube containing calcium bicarbonate

    B) Chilled test tube

    C) Test tube containing heparin

    D) Test tube containing sodium oxalate

    Correct Answer: A

    Solution :

    [a] Presence of calcium will remove heparin, a blood anti-coagulant and will promote blood clotting. Sodium oxalate and heparin containing test tubes will not allow the blood to clot.


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