PhlebotomyQuestion 64 of 100
Immediately after filling an additive tube, what must the technician do to properly handle the specimen?
a.Shake it vigorously to speed mixing
b.Place it on ice regardless of the test
c.Centrifuge it immediately at the bedside
d.Gently invert it the recommended number of times to mix the additive
Explanation
Additive tubes must be gently inverted the recommended number of times immediately after collection to mix the blood with the additive and prevent clotting or clumping. Vigorous shaking can cause hemolysis, which ruins the sample. The number of inversions varies by tube type and manufacturer.
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