Final answer:
The nurse's best response is to take the patient's report of pain at face value and provide appropriate medication.
Step-by-step explanation:
The nurse's best response would be to choose option c) Unless there is strong evidence to the contrary, we should take the patient's report at face value. It is important for healthcare professionals to trust patients' self-reported pain levels and provide appropriate pain medication based on their reports. Dismissing the patient's pain as an exaggeration without any evidence can lead to inadequate treatment and unnecessary suffering.