While Caring for a Patient with a Pulmonary Artery Catheter,the

While caring for a patient with a pulmonary artery catheter,the nurse notes the pulmonary artery occlusion pressure (PAOP) to be significantly higher than previously recorded values.The nurse assesses respirations to be unlabored at 16 breaths/min,oxygen saturation of 98% on 3 L of oxygen via nasal cannula,and lungs clear to auscultation bilaterally.What is the priority nursing action?

A) Increase supplemental oxygen and notify respiratory therapy.
B) Notify the provider immediately of the assessment findings.
C) Obtain a stat chest x-ray film to verify proper catheter placement.
D) Zero reference and level the catheter at the phlebostatic axis.