Final answer:
The nurse administering pain medication every 4 hours is an example of a Nursing intervention in patient care.
Step-by-step explanation:
The nurse administering pain medication every 4 hours is an example of a Nursing intervention in patient care. Nursing interventions refer to the actions or treatments performed by nurses to promote the health and well-being of patients. In this case, administering pain medication is a specific intervention aimed at managing the patient's pain.