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Citrate tubes must be only plus or minus ____ percent from the stated volume to give accurate results.

A phlebotomist is requested to draw an unconscious patient. The patient’s name and identification number on the armband agree with the information on the request form and computer labels. What else should be done to ensure patient identification?

The phlebotomist is mainly involved in which phase of sample testing?

The safe area for heel puncture in an infant is:

A normal fasting level is:

Where does the electrical impulse start in the heart?

Handwashing:

The most common cause of blood culture contamination is:

Gloves should be worn:

Preexamination errors are variables that occur to a sample before the sample is tested. The type of error caused by a patient would be: