Pulmonary ventilation

Susan has severe allergic reaction to cats. She found a wonderful sofa in a resale store and decided to test it out. She realized her allergic reaction was triggered at once and it was too late when she realized the sofa might have had cat dander on it. She started to have dyspnea, tightness in chest, wheezing and coughing. She took her epipen at once and went to see her doctor. Based on your knowledge answer the following:
1- What causes decrease in pulmonary ventilation during asthma attack? How does Epipen help in this situation? 2pts
2- What are the factors that affect pulmonary ventilation? Explain each factor in detail. 3pts
3- Why does fibrosis and scoliosis cause decrease pulmonary ventilation? Explain in detail. 2pts
4- What is pulmonary functional test and what kind of results will you get on an asthmatic patient? How do you distinguish results from this patient to the results from scoliosis patient? 3pts

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