Which of the following statements regarding bronchiolitis is correct?
A) Infants who were born past 42 weeks are at highest risk for respiratory failure and arrest secondary to bronchiolitis.
B) The pathophysiology of bronchiolitis is acute bronchospasm secondary to a bacterium that enters the lower respiratory tract.
C) Bronchiolitis is usually caused by the metapneumovirus and occurs with greatest frequency during late spring and early summer.
D) Bronchiolitis is a viral infection of the lower airway that commonly affects infants and children younger than 2 years of age.
Answer: D) Bronchiolitis is a viral infection of the lower airway that commonly affects infants and children younger than 2 years of age.
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