The patient is an 85-year old female who presents to the emergency department (ed) with increasing shortness of breath, hypoxia, productive cough, and progressive weakness

The 85-year old female patient who presents to the emergency department (ed) with increasing shortness of breath, hypoxia, productive cough, and progressive weakness will be assessed and diagnosed by the nurse as someone who is probably having asthma. The mentioned symptoms are common with people who have asthma.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?