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Questions and Answers
What is the primary reason why RBCs in the body do not sediment?
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?
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?
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?
What is the normal ESR value for a male after 2 hours?
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What is a physiological increase in ESR associated with?
What is a physiological increase in ESR associated with?
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What is the diagnosis if the ESR is 70 mm in the 1st hour?
What is the diagnosis if the ESR is 70 mm in the 1st hour?
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What is the definition of anemia?
What is the definition of anemia?
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What is the normal range of hemoglobin content in males?
What is the normal range of hemoglobin content in males?
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What is the effect of Rouleaux formation on RBCs?
What is the effect of Rouleaux formation on RBCs?
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What is the prognostic value of ESR?
What is the prognostic value of ESR?
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