1.When the nurse is suctioning a tracheostomy patient through the tracheostomy tube.The nurse must be careful not occlude the Y- port during the insertion of suction catheter to prevent what?. A.Trauma to the tracheal mucosa. B.Too much suction of patient. C.Prevent suction from happening. D.Suction out blood. Correct answer is A because occluding the Y-port …