After a Harrington rod surgery, an adolescent has a patient-controlled analgesia (PCA) pump that is set to allow morphine delivery every 6 minutes. Which statement by the family member indicates to the nurse that the family understands instructions about the PCA pump?

They need to push the PCA button whenever they need pain medication

I'll make sure they push the PCA button every 6 minutes

I'll press the PCA button every 6 minutes so they gets enough pain medication while they are sleeping

I'll have to wake them up every 2 hours overnight so they can push the PCA button