While caring for a patient with a pulmonary artery catheter, which of the following is not within the scope of practice of the nurse?
1. Advancing the catheter if the radiologist determines it is not in the pulmonary artery
2. Inflating the balloon in the pulmonary artery to obtain pulmonary artery occlusion pressures
3. Using sterile technique to clean the site of insertion of the catheter and changing the dressing
4. Changing the dosages (titrating) of medications based on changes in hemodynamic pressures
Advancing the catheter if the radiologist determines it is not in the pulmonary artery
Rationale: The nurse does not advance the catheter through the heart. The nurse does inflate the balloon, use sterile technique to change the dressing and clean the site, and change the dosages of medications (titrate) based on the patient's response to therapy.
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