A 79-year-old patient reports a pain level of 3 of 10 but states, "Don't worry: this is just part of getting old.”. Which response is best?

"Okay then; let me know if you need anything.”.

"That is not bad. Let me know if your pain becomes greater than 4 of 10; then we can treat it.”.

"Pain is sometimes part of getting old. What is causing the pain?"

"I understand you have had the pain for a while. Let's check this further.”.