A nurse is caring for a client who is postoperative following a tracheostomy, and has copious and tenacious secretions. Which of the following is an acceptable method for the nurse to use to thin this client's secretions?

Prelubricate the suction catheter tip with sterile saline when suctioning the airway.

Provide humidified oxygen and increase fluids if not contraindicated

Hyperventilate the client with 100% oxygen before suctioning the airway.

Perform chest physiotherapy prior to suctioning.