RPFT

Review 111 RPFT practice questions with answer explanations and community insights.

Question 1

The following results are obtained: The RV/TLC ratio from these data is consistent with which of the following?

  1. Obstructive defect
  2. Normal lung volumes
  3. Combined obstructive/restrictive defect
  4. Restrictive defect

Question 2

During an exercise study, a pulmonary function technologist notices the systolic blood pressure increased to 270 mm Hg using an automated cuff. Which of the following should the technologist do?

  1. Terminate the test and administer oxygen by nasal cannula.
  2. Continue the test and recheck blood pressure using manual cuff method.
  3. Terminate the test at this time and recheck blood pressure.
  4. Continue the test if within 5 minutes of completion.

Question 3

The following values are reported at maximum effort for a 50-year-old, 70-kg (154-lb) male with significant coronary artery disease during ergometer stress testing. Which of the following is most likely an error?

  1. workload 200 watts
  2. VE65L/min
  3. HR145/min
  4. RER1.2

Question 4

During the calibration and set-up of the metabolic stress testing system for a patient breathing supplemental oxygen, which of the following gas concentrations will ensure accurate calibration of the system?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Question 5

A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred?

  1. dynamic hyperinflation
  2. disconnected gas sampling line
  3. drift in the flow transducer
  4. acute decrease in FRC
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