A Nurse Is Preparing a Client for a Bronchoscopy

A nurse is preparing a client for a bronchoscopy. Which instruction is the most important for the nurse to provide the client?

A) Avoid taking food 3 hours before the procedure.
B) Maintain a side-lying position after the bronchoscopy.
C) Cough out the mucus secretions after the procedure.
D) Start a soft, semisolid diet when the gag reflex returns.