Answer :
The component of the EHR that could use bar codes to identify patients is option c, electronic medication administration record (eMAR).
The eMAR uses bar code technology to verify patient identification, medication administration, and dosages. This helps to ensure patient safety and reduce medication errors.
When a medication is scanned, the system matches the bar code to the patient's unique identification number and medication information, allowing the healthcare provider to administer the correct medication to the correct patient. This is a critical feature of the EHR system that helps to improve patient care and outcomes.
Therefore, option c is the correct answer.
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