Mr. Santos, a 65-year-old Male, Is Admitted to the Medical-surgical Unit with a Diagnosis of Pneumonia. He Has a History of Chronic Obstructive Pulmonary Disease (COPD) and Is a Current Smoker. He Is Complaining of Shortness of Breath, Cough with Yellowish Sputum and Fever. Upon Assessment, He Has Decreased Breath Sounds on the Right Lower Lobe and Increased Respiratory Rate. His Oxygen Saturation Is 88% on Room Air