Which of the following nursing interventions would best accomplish the goal of preventing atelectasis and pneumonia in a postoperative client? 1. Administering oxygen therapy as needed to maintain...

Which of the following nursing interventions would best accomplish the goal of preventing atelectasis and pneumonia in a postoperative client?

1. Administering oxygen therapy as needed to maintain adequate oxygenation.

2. Offering pain medication before having the client deep-breathe and use incentive spirometry.

3. Encouraging the client to cough, deep-breathe, and turn in bed once every 4 hours.

4. Forcing fluids to 2,000 mL every 24 hours.