The nurse is teaching a client about coughing and deep-breathing techniques to prevent postoperative complications. which statement is most appropriate for the nurse to make to the client at this time as it relates to these techniques?
1. "use of an incentive spirometer will prevent pneumonia."
2. "close monitoring of your oxygen saturation will detect hypoxemia."
3. "administration of intravenous fluids will prevent or treat fluid imbalance."
4. "early ambulation and administration of blood thinners will prevent pulmonary embolism."

2. "Close monitoring of your oxygen saturation will detect hypoxemia."

Explanation:

There are the different reasons for low oxygen in the blood so the nurse is teaching a client about coughing and deep-breathing techniques to prevent postoperative complications. The amount of oxygen in your blood will actually help your healing and recovery post-op by systematically taking deep breaths you can prevent post-operative complications. Hypoxemia is low oxygen concentration in someone’s blood.  The nurse is teaching the client about coughing and deep-breathing techniques to prevent postoperative complications.