The client has been admitted through the emergency department with chronic bronchitis, has elevated co2 levels, and has been placed on o2. what priority assessment would the nurse include?

For a project i need to provide a description of food (ex. salad, pizza). my last two braincells and i can't think of a food to choose so i'm asking the people of to me out - can't be a healthy food (no fruits, vegetables) - can be junk food except pizza if you could provide a description of the food you chose that would be awesome! : d