Wireless handheld computers used to scan a bar code on the patient's identification band reduce preexamination variables in the routine venipuncture process because:

Question

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Wireless handheld computers used to scan a bar code on the patient's identification band reduce preexamination variables in the routine venipuncture process by generating labels for a specific patient only after the patient's identification has been correctly verified by scanning his or her identification band and not printed ahead of time. This ensures that the correct patient is identified and there is no chance of mix-ups or errors in labeling the collection tubes. Options A and B may also contribute to reducing errors but do not directly address the issue of patient identification during venipuncture. Option D is incorrect as a patient's driver's license may not always be available or up to date, and wristbands are the preferred method of patient identification in a healthcare setting.

Wireless Handheld Computers Used to Scan a Bar Code on the Patient's