After instructing the patient in using the incentive spirometer (IS), the nurse instructs nursing assistive personnel (NAP) to encourage the patient to use it. What does the nurse provide to the NAP as a rationale for using the IS after surgery?
a. It helps to maintains venous return.
b. It helps to reexpand the lungs.
c. It prevents any type of respiratory infec-tion.
d. It decreases the blood pressure.
B
Using the IS involves inhaling; as the lungs fill with air, alveoli that collapse in surgery pop open from expansion of the chest wall. In addition, IS promotes airway clearance by stimulating coughing and gas exchange as secretions are removed from the lungs. Inhalation does promote venous return to the heart, but this is not the reason for using an IS with postoperative patients. Incentive spirometry cannot prevent any type of respiratory infection from occurring. Blood pressure can decrease as the patient stabilizes after respiratory secretions are removed, but this is not the reason for using the IS.
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