A client with an inflamed sciatic nerve is to have a conventional transcutaneous electrical nerve stimulation (TENS) device applied to the painful nerve pathway. When operating the TENS unit, which nursing action is appropriate?
1
Maintain the settings programmed by the health care provider.
2
Turn the machine on several times a day for ten to twenty minutes.
3
Adjust the dial on the unit until the client states the pain is relieved.
4
Apply the color-coded electrodes on the client where they are most comfortable.