A nurse provides teaching to a client who is being fitted for a prosthetic leg. Which of the following statements indicate to the nurse a need for further instruction?

"I'll have to exercise my residual leg every day."

"I will need to wear a sock over the residual portion of the leg."

"I can apply elastic bandages to help shrink my residual leg."

"I will learn to balance well on one leg so I don't have to use crutches."