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Veterinary Technician

Category - Lab Procedures

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Sally is using a microcapillary tube, filled with anticoagulated blood, and placing it in a centrifuge. Which diagnostic test is she about to perform?

White Blood Cell Count
Plasma analysis
Packed Cell Volume
Platelet Cell Count

Explanation

Answer: C - A packed cell volume is performed by filling a microcapillary tube with anticoagulated blood and spinning the tube in a centrifuge. The tube is then removed and is measured against a sliding scale to determine the percentage of the volume of whole, unclotted blood occupied by the erythrocytes.

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