bronchial challenge

challenge

[chal´enj] 1. to administer a chemical substance to a patient for observation of whether the normal physiological response occurs.2. in immunology, to administer antigen to evoke an immunologic response in a previously sensitized individual.3. the administration of such a substance in order to assess for a response; called also provocation.bronchial challenge (inhalational challenge) bronchial challenge test.

bronchial challenge

Inhalation of antigens to detect allergic reactions; in a positive BC, the Pt's temperature and WBC count rise, and the FEV₁, and FVC fall within 4–12 hrs of inhalation

单词	bronchial challenge
释义	DictionarySeechallenge bronchial challenge challenge [chal´enj] 1. to administer a chemical substance to a patient for observation of whether the normal physiological response occurs.2. in immunology, to administer antigen to evoke an immunologic response in a previously sensitized individual.3. the administration of such a substance in order to assess for a response; called also provocation.bronchial challenge (inhalational challenge) bronchial challenge test. bronchial challenge Inhalation of antigens to detect allergic reactions; in a positive BC, the Pt's temperature and WBC count rise, and the FEV₁, and FVC fall within 4–12 hrs of inhalation
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