The Nurse Is Preparing a Patient for a Spirometer Test

The nurse is preparing a patient for a spirometer test to diagnose COPD. The patient asks how to prepare for this test. How should the nurse respond?

A) "Refrain from using a short-acting inhaler 6 to 8 hours prior to testing."
B) "Do not eat or drink anything for 6 to 8 hours prior to the testing."
C) "Refrain from vigorous exercise 6 to 8 hours prior to the testing."
D) "Take all medications, including inhalers prior to the testing."