A patient with a contaminated abdominal wound after surgery is planned for delayed primary closure. Which of the following actions by the nurse is most appropriate to facilitate healing by tertiary intention?

Leave the wound open for 5 to 10 days and then close with sutures.

Immediately close the wound with sutures to prevent infection.

Apply a hydrocolloid dressing to maintain a moist environment.

Use mechanical debridement to remove necrotic tissue daily