Hematocrit Measurement Quiz

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Questions and Answers

Plasma proteins neutralize charges on the surface of rbcs, decreasing the repulsion force between them favoring ______ formation and rbcs sedimentation.

rouleaux

Physiologically, conditions that increase esr include after meals, exercise, menses, and ______.

pregnancy

Pathologically, conditions that increase esr include infection, inflammation, anemia, and ______.

tumors

The reversible arrangement of rbcs one above the other due to neutralization of their –ve charges by the effect of plasma proteins (fibrinogen and globulins) is called ______.

<p>rouleaux</p> Signup and view all the answers

The anti-coagulant used in this experiment is na+ citrate. Acts through ca+2 ______.

<p>neutralization</p> Signup and view all the answers

PCV stands for ______, which is the % ratio of rbcs volume to the total blood volume.

<p>packed cell volume</p> Signup and view all the answers

The specific gravity of rbcs is 1090, wbcs and platelets is 1060 and that of plasma is 1030. The apparatus used includes a heparinized capillary tube, ______, sealant clay, and microchromic reader.

<p>microhematocrite centrifuge</p> Signup and view all the answers

Anemia or polycythemia can be diagnosed using PCV. The normal values of PCV are ______.

<p>42-46 ♂ and 38-42 ♀</p> Signup and view all the answers

The white buffy layer above RBCs consists of ______.

<p>platelets and WBCs</p> Signup and view all the answers

Heparin is the anticoagulant used in this experiment. It acts as a co-factor for ______, which inactivates factors IX, X, XI, and XII.

<p>antithrombin III</p> Signup and view all the answers

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