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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?

16 mm Signup and view all the answers

What is a physiological increase in ESR associated with?

Menstruation, pregnancy, exercise, and after meals Signup and view all the answers

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

No specific diagnosis can be made Signup and view all the answers

What is the definition of anemia?

A decrease in oxygen-carrying capacity of blood Signup and view all the answers

What is the normal range of hemoglobin content in males?

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

What is the effect of Rouleaux formation on RBCs?

It increases the sedimentation rate of RBCs Signup and view all the answers

What is the prognostic value of ESR?

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