A child with cystic fibrosis (CF) receives aerosolized bronchodilator medication. When should this medication be administered?
a. After chest physiotherapy (CPT)
b. Before chest physiotherapy (CPT)
c. After receiving 100% oxygen
d. Before receiving 100% oxygen
ANS: B
Bronchodilators should be given before CPT to open bronchi and make expectoration easier. These medications are not helpful when used after CPT. Oxygen is administered only in acute episodes, with caution, because of chronic carbon dioxide retention.
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