A patient has an arterial catheter in place, and an “over-da…

A patient has an arterial catheter in place, and an “over-damped” pressure tracing appears on the monitor.  Which of the following should the respiratory therapist recommend at this time?  I. Reposition the catheter  |  II. Aspirate blood and then flush with saline solution | III. Flush out any air bubbles from the line