The Nurse Is Caring for a Patient Who Developed a Pulmonary

The nurse is caring for a patient who developed a pulmonary embolism after surgery. Which goal statement is the highest priority for the nurse to include in the patient's care plan for the diagnosis Impaired gas exchange r/t impaired pulmonary blood flow from embolus?

A) The patient will maintain pulse oximetry values of at least 95% on room air.
B) The patient will verbalize understanding of ordered anticoagulants.
C) The patient will report chest pain of no greater than 3 on a 1-10 scale.
D) The patient will ambulate 50 feet in hallway without shortness of breath.