The nurse is caring for a client who has a tracheostomy tube and is undergoing mechanical ventilation. The nurse can help prevent tracheal dilation, a complication of tracheostomy tube placement, by
A．suctioning the tracheostomy tube frequently.
B．using a cuffed tracheostomy tube.
C．using the minimal air leak technique with cuff pressure less than 25 cmH2O.
D．keeping the tracheostomy tube plugged.
