When teaching a client about patient-controlled analgesia (pca), which would the nurse integrate into the teaching plan?

Client is able to self-administer pain-relieving drugs as necessary. Absence of sensibility to pain, particularly the relief of pain without loss of consciousness; absence of pain or noxious stimulation.  continuous epidural analgesia continuous injection of an aesthetic solution into the sacral and lumbar plexuses within the epidural space to relieve the pain of childbirth