Eldon Martin is a 75-year-old retired Marine Corps officer. He smoked cigarettes most of his adult life, but quit 10 years ago when he learned he had allergy-induced asthmatic lung disease. He comes to the hospital today with a high fever, productive cough, and pain in his chest. He is diagnosed with pneumonia.
What additional assessment findings would be important for the nurse to gather in relation to oxygenation concerns?
A. Pulse oximetry reading
B. Arterial blood gas
C. Normal diet
D. Lung sounds
E. Number of years of smoking