Consolidated Political Compass Test (CPCT) Practice Exam 2025 - Free CPCT Practice Questions and Assessment Guide

Question: 1 / 400

A CPCT must invert anticoagulant tubes to prevent which of the following?

Infection

Clotting

The need to invert anticoagulant tubes is primarily to ensure that the anticoagulant is properly mixed with the blood sample. This thorough mixing is crucial for preventing the blood from clotting. When blood is drawn into an anticoagulant tube, the additive that prevents clotting must interact uniformly with the blood; if this interaction is inadequate, the sample may begin to form clots, compromising the integrity of subsequent testing.

Inverting the tubes helps to mix the anticoagulant evenly throughout the sample, thus maintaining its intended function of preventing coagulation. Clotting can lead to inaccurate lab results, affecting diagnosis and treatment decisions. Proper inversion techniques are essential for achieving reliable and valid test outcomes.

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Hemolysis

Contamination

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