Answer: B. Inflate the cuff until the pilot balloon is firm on palpation.
Explanation:
Endotracheal tubes (ET) have a balloon near the tip of the tube, that is used to create a closed system between the patient's airway and the mechanical ventilation machine. The balloon prevents air leaking from the system. The pilot balloon near the opposite tip of the ET should be firm on palpation. Also, tubes should be tested and lubricated before inserting them