The Preceptor Nurse Is Assisting a Newly Hired Nurse with Completion

The preceptor nurse is assisting a newly hired nurse with completion of hemodynamic assessment using a pulmonary artery catheter.Which action would require the preceptor to intervene?

A) Inflating the pressure bag to 300 mmHg
B) Infusing a vasoactive drug through the proximal injectate port
C) Obtaining a pulmonary artery wedge pressure reading through the distal port
D) Using iced normal saline to obtain a cardiac output