A nurse is completing discharge teaching about ostomy care with a client who has a new stoma. Which of the following instructions should the nurse include in the teaching? (Select all that apply.)

"Empty the ostomy pouch when it becomes one-third full of contents."

"Expect the stoma to turn a purple-blue color as it heals."

"Place a piece of gauze over the stoma while changing the pouch."

"Cut the opening of the pouch 1/8 of an inch larger than the stoma."

"Use povidone-iodine to clean around the stoma."