Final answer:
When a discrepancy on an arm band is noted, it is true that one must verify the patient's identity to ensure accurate patient care and to prevent medical errors.
Step-by-step explanation:
True: If there is a discrepancy on an arm band, it is crucial to verify the identity of the patient. In medical settings, accurate patient identification is of the utmost importance to ensure patient safety and correct administration of treatments. If a discrepancy is noticed, such as a misspelled name or incorrect date of birth, it must be clarified with the patient directly, using multiple identifiers like their name, date of birth, and medical record number, if available. This process is part of the protocols that safeguard against medical errors and contribute to high-quality patient care.