A patient with asthma is in acute respiratory distress and presents to the emergency department with markedly diminished breath sounds. Following bronchodilator therapy, auscultation of the chest reveals rhonchi and wheezing. This change suggests which of the following?
A. development of a pneumothorax
B. improvement of the air flow
C. onset of pneumonia
D. development of pulmonary edema
Ans: B. improvement of the air flow
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