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Blood Coagulation and Vitamin Deficiencies
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Blood Coagulation and Vitamin Deficiencies

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Questions and Answers

What is the primary reason why RBCs in the body do not sediment?

  • Rouleaux formation
  • Continuous circulation of blood due to pumping action of the heart (correct)
  • Neutrophil adhesion to RBCs
  • Repulsion forces by similar charges on RBCs surface

    • What is the effect of plasma proteins or products of tissue destruction on RBCs?

  • They have no effect on RBCs
  • They increase the sedimentation rate of RBCs
  • They increase the repulsion force between RBCs
  • They neutralize the charges on RBCs, reducing the repulsion force (correct)

    • What is the purpose of adding Na+ citrate to a blood sample?

  • To increase the ESR
  • To prevent blood clotting (correct)
  • To measure the hemoglobin content
  • To promote RBC sedimentation

    • What is the normal ESR value for a male after 2 hours?

    <p>16 mm</p> Signup and view all the answers

    What is a physiological increase in ESR associated with?

    <p>Menstruation, pregnancy, exercise, and after meals</p> Signup and view all the answers

    What is the diagnosis if the ESR is 70 mm in the 1st hour?

    <p>No specific diagnosis can be made</p> Signup and view all the answers

    What is the definition of anemia?

    <p>A decrease in oxygen-carrying capacity of blood</p> Signup and view all the answers

    What is the normal range of hemoglobin content in males?

    <p>15-16 gm/dl</p> Signup and view all the answers

    What is the effect of Rouleaux formation on RBCs?

    <p>It increases the sedimentation rate of RBCs</p> Signup and view all the answers

    What is the prognostic value of ESR?

    <p>It is a prognostic test for follow-up of diseases</p> Signup and view all the answers

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