Practice Quiz

Respiratory Therapist

Category - Patient Evaluations and Recommendations

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If it is suspected that a patient has an occupational trigger for asthma, what test is recommended for further diagnosis/confirmation of an occupational-induced bronchospasm?
  1. Flow volume loop
  2. N2 washout
  3. DLCO
  4. Bronchoprovocation
Explanation
Answer: D - Bronchoprovocation is recommended to confirm a patient’s occupational induced bronchospasm.

The purpose of bronchoprovocation is to detect the presence of a hyperreactive airway. It is indicated when a subject has the symptoms of bronchospasm but has normal PFTs, when a patient has occupational risks or as a baseline study before occupational exposure. A follow up test should be performed to check for changes in the hyperreactivity or to monitor changes in severity.
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