Decent Essays
Case Study 2: Session 7

R.J. is a 15-year-old boy with a history of asthma diagnosed at age 8. His asthma episodes are triggered by exposure to cats and various plant pollens. He has been using his albuterol inhaler 10 to 12 times per day over the last 3 days and is continuing to wheeze. He normally needs his inhaler only occasionally (2 or 3 times per week). He takes no other medications and has no other known medical conditions. Physical examination reveals moderate respiratory distress with a respiratory rate of 32, oximetry 90%, peak expiratory flow rate (PEFR) 60% of predicted, and expiratory wheezing.


1. A. What is the underlying mechanism of R.J.'s asthma?
R.J.’s asthma is known to be triggered by
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& McCance, K.L. (2012). Understanding pathophysiology: 5th edition. St. Louis, MO: Elsevier Mosby
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