Final answer:
The correct action when encountering a patient ID issue is to seek immediate clarification from a nurse or supervisor to ensure patient safety and accurate care.
Step-by-step explanation:
When there is a problem with patient ID on a ward, the correct course of action is C) Seek immediate clarification from the nurse or supervisor. Patient identification errors can lead to serious medical mistakes, so it is critical to address ID discrepancies promptly. Using a patient's room number or assuming identity-based on verbal information is not a safe practice because these methods are unreliable and can result in administering care to the wrong patient. Waiting for the next shift could also delay care and potentially harm the patient. Immediate clarification ensures the safety and appropriate care of the patient are prioritized.