A patient is scheduled for pulmonary function testing.Which action should the nurse take to prepare the patient for this procedure?
A) Give the rescue medication immediately before testing.
B) Administer oral corticosteroids 2 hours before the procedure.
C) Withhold bronchodilators for 6 to 12 hours before the examination.
D) Ensure that the patient has been NPO for several hours before the test.
Correct Answer:
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