When Collecting Blood in Multiple Evacuated Tubes,the Correct Order of Draw

question 8

Multiple Choice

When collecting blood in multiple evacuated tubes,the correct order of draw should start with:

• A) light blue (citrate).
• B) yellow (blood cultures).
• C) lavender (EDTA).
• D) white.

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Definitions:

Molecular Ion Peak

The peak in a mass spectrum that corresponds to the mass of the intact molecule, often used for molecular weight determination.

Boron Isotopes

Variants of the element boron, differing in the number of neutrons in the nucleus and having distinct nuclear properties.

Trimethylborate

A chemical compound with the formula B(OCH3)3, used as a reagent in organic synthesis and as a flame retardant.

M+2 Peak

A peak in mass spectrometry representing molecules with two more units of mass than the base molecular ion, often due to the presence of isotopes such as sulfur-34 or chlorine-37.