A registered nurse (RN) and experienced licensed practical nurse (LPN) are caring for a group of clients. Which of the following is inappropriate for the RN to delegate to the LPN?

Administer a tap-water enema to a client who is preoperative

Initiate a plan of care for a client who is postoperative from an appendectomy

Catheterize a client who has not voided in 8 hours

Obtain vital signs from a client who is 6 hours postoperative