Which of the following findings are typical for infants with bronchiolitis?
1. Stridor
2. Wheezing
3. Dyspnea
4. Tachypnea
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: D
After a few days, signs of respiratory distress develop, particularly dyspnea and tachypnea. Pro-gressive inflammation and narrowing of the airways cause inspiratory and expiratory wheezing and increase airway resistance.
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