A client with a pulmonary embolus is intubated and placed on mechanical ventilation. When suctioning the endotracheal tube, what should the nurse do?
A. Hyperoxygenate with 100% oxygen before and after suctioning
B. Suction two or three times in quick succession to remove secretions
C. Use the technique of short, pushing movements when applying suction
D. Apply suction for no more than 10 seconds while inserting the catheter