After Teaching a Client Who Is Recovering from an Endoscopic

After teaching a client who is recovering from an endoscopic trans-nasal hypophysectomy,the nurse assesses the client's understanding.Which statement made by the client indicates a correct understanding of the teaching?

A) "I will wear dark glasses to prevent sun exposure."
B) "I'll keep food on upper shelves so I do not have to bend over."
C) "I must wash the incision with peroxide and redress it daily."
D) "I shall cough and deep breathe every 2 hours while I am awake."