[Answered]: Case Study 1: A 55-year-old COPD patient is…

Case Study 1: A 55-year-old COPD patient is admitted to the hospital with acute hypoxemia. The physician orders oxygen therapy to maintain SpO2 between 88-92%. Which oxygen delivery device would you choose, and why? Include the recommended flow rate and FiO2. Case Study 2: A 70-year-old patient with pneumonia and severe hypoxemia requires a FiO2 of 60% to stabilize oxygen saturation. Which device is most appropriate, and what is the flow rate needed to achieve this? Case Study 3: A post-operative 50-year-old female is recovering from abdominal surgery. She complains of mild shortness of breath; her SpO2 is 92% on room air. What oxygen device would you recommend, and at what flow rate? Case Study 4: A 35-year-old patient with carbon monoxide poisoning presents to the emergency room. His SpO2 appears normal, but the physician insists on aggressive oxygen therapy. Which oxygen device is the most appropriate, and what is the expected FiO2?