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LRotundo LRotundo
wrote...
Posts: 812
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6 years ago
Which of the following is most likely to precipitate an asthmatic attack in a child with a diagnosis of extrinsic, or atopic, asthma?
 
  A) Pet dander
  B) Cold weather
  C) Stress
  D) Respiratory tract infections
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Replies
wrote...
6 years ago
Ans: A
Feedback:
Extrinsic or atopic asthma is typically initiated by a type I hypersensitivity reaction induced by exposure to an extrinsic antigen or allergen such as pet dander. Intrinsic or nonatopic asthma triggers include respiratory tract infections, exercise, hyperventilation, cold air, drugs and chemicals, hormonal changes and emotional upsets, airborne pollutants, and gastroesophageal reflux.
LRotundo Author
wrote...
6 years ago
THX *so* much
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