On a postsurgical unit, the nurse cares for many patients who are experiencing pain. Which instance describes when a patient's pain threshold is likely to be lower?

It is the same for all patients who have had surgery.

A patient who is awaiting biopsy results may have a higher pain threshold.

A patient who is having difficulty sleeping in the hospital setting will likely have a higher pain threshold.

A patient who is anxious may have a lower pain threshold.