A client undergoes an arthroscopy at the outpatient clinic. After the procedure, the nurse provides discharge teaching. Which response by the client indicates the need for further teaching?

"Elevating my leg will reduce swelling after the procedure."

"My physician may prescribe pain pills after the procedure."

"I should use my heating pad this evening to reduce some of the pain in my knee."

"I may notice some bruising or swelling in my knee."