challenge

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Related to bronchial challenge: Bronchial Provocation Test

challenge

1. US an assertion that a person is not entitled to vote or that a vote is invalid
2. Law a formal objection to a person selected to serve on a jury (challenge to the polls) or to the whole body of jurors (challenge to the array)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

challenge

[′chal·ənj]
(communications)
To cause an interrogator to transmit a signal which puts a transponder into operation.
(immunology)
Administration of an antigen to ascertain state of immunity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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In order to perform the bronchial challenge test, an inhalation device and capsules (Pharmaxis Ltd., Australia) containing dry powdered mannitol were used.
Cat ownership is associated with increased asthma prevalence and dog ownership with decreased spirometry values
If current asthma was ruled out, follow-up bronchial challenges were repeated at 6 and 12 months.
Should you reassess your patient's asthma diagnosis?
This indicates that "whenever possible, physicians should order objective tests, such as prebronchodilator and postbronchodilator spirometry, serial peak flow measurements, or bronchial challenge tests, to confirm asthma at the time of initial diagnosis," the investigators said.
Asthma ruled out in 33% of diagnosed adults
Folgering, "Bronchial challenge, assessed with forced expiratory manoeuvres and airway impedance," Respiratory Medicine, vol.
Clinical Implications of Oscillatory Lung Function during Methacholine Bronchoprovocation Testing of Preschool Children
Bronchial challenge testing, for example, is a measure of airway smooth muscle reactivity that has been used for many years as a diagnostic test for asthma.
Vitamin and mineral treatment in asthma
Bronchial challenge testing (usually done with methacholine) can provide very useful clinical information regarding patients with chronic cough.
Cough remains one of the most common complaints that motivate patients to seek medical attention

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