sandra
Forum Guru
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11. A 5-month-old boy is brought for a follow-up examination. He was born at 37 weeks' gestation
and has had persistent wheezing since shortly after birth despite treatment with nebulized and oral
bronchodilators and oral corticosteroids. His diet consists of 32 ounces of iron-fortified cow's milkbased
formula daily. He appears well nourished and happy. On examination, there is moderate relief
of wheezing with extension of the neck. Which of the following is the most likely mechanism of this
infant's wheezing?
A ) Allergic reaction to cow's milk
B ) Aspiration of a foreign body
C ) Compression of the airway by a vascular ring
D ) Concurrent upper respiratory tract infection
E ) Persistent immaturity of lungs
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| guangyu
Forum Elite
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C
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| steppingsam
Forum Junior
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C: compression of airway by vascular ring
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