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Spirometry: The Quest for Valid Results

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1.  Which of the following are indications to performing spirometry testing?
  1. Screening for barium risks
  2. Screening for pulmonary disease
  3. Screening for radiation exposure
  4. Screening for benign tumors
2.  Which of the following spirometry values is a focus in determining the need for further testing?
  1. Forced Vital Capacity
  2. Forced Expiratory Volume in 1 second
  3. Ratio of FEV1/FVC
  4. All of the above
3.  Which of the following coaching strategies are recommended to elicit the best effort of patients in performing spirometry testing?
  1. Give the patient simple easy to understand information and coaching
  2. Do not encourage them throughout the testing
  3. Excessively shout out the time they need to exhale
  4. Yelling at the patient will help them respond better
4.  While coaching the patient during a spirometry test, additional volume/time curves and extra breaths around the mouthpiece and nose are identified. Which of the following is the best solution?
  1. Block sensor when setting zero reference
  2. Instruct the patient to exhale completely
  3. Nose clips, “Lips tight”
  4. Offer the patient a drink of water
5.  If the respiratory therapist observes the flow-volume curve is backtracking toward zero volume, which of the following may indicate the problem?
  1. Partially obstructed mouthpiece
  2. Cough in the first second
  3. Variable effort
  4. Presence of a leak