The Nurse Is Admitting a Patient Diagnosed with an Acute

The nurse is admitting a patient diagnosed with an acute exacerbation of chronic obstructive pulmonary disease (COPD) .What is the best way for the nurse to determine the appropriate oxygen flow rate?

A) Minimize oxygen use to avoid oxygen dependency.
B) Maintain the pulse oximetry level at 90% or greater.
C) Administer oxygen according to the patient's level of dyspnea.
D) Avoid administration of oxygen at a rate of more than 2 L/minute.