The expected reference range when obtaining oxygen
saturation level is 95%-100%.
The four reasons as to why the reference range may be lower
is due to the following;
-         
Pulmonary edema
-         
Person with history of COPD
-         
Asthma and Emphysema
-         
Pneumonia
 
        
             
        
        
        
Around 2 centimeters so I would say either C or D
        
                    
             
        
        
        
Answer:
it does not specify which is female and which is male so i am going to go with a.
Explanation:
 
        
             
        
        
        
Simple carbohydrate contain 1 or 2 sugar chain that have the most basic structure our body need. For eg glucose. Complex contain 3 or more sugar groups. These are refer to as starchy. These stay I our body longer. For rg brown sugar