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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A pulmonary function technologist is performing an exercise study on a patient with sarcoidosis. Which of the following end-tidal CO2values should the technologist expect at rest, if the test is performed appropriately?

A) 0-1.5%
B) 2-3%
C) 4-5%
D) 7-10%

2. A pulmonary function technologist is reviewing results of a recent mechanical diffusion simul-ation using a 3- liter syringe. The test was conducted at a room temperature of 22° C. The following BTPS results were reported:
Which of the following should the technologist do?

A) Recalibrate the gas analyzer.
B) Proceed with testing.
C) Recalibrate the pneumotachometer.
D) Change the calibration gases.

3. Prior to an exercise study, a pulmonary function technologist finds that the patient's RER is 1.13. Which of the following best explains this finding?

A) Hyperventilation
B) Protein metabolism
C) Hypoventilation
D) Carbohydrate metabolism

4. Successive peak flow measurements made with a peak flowmeter on a subject previously diagnosed as having asthma yield the following results:

Which of the following is the best explanation for these?

A) Normal response
B) Condensation of moisture in the peak flowmeter
C) Improper calibration of the peak flowmeter
D) Increasing airways resistance in the subject

5. The following arterial blood gas results are obtained during the final workload of a cardiopulmonary exercise test:

Which of the following best explains these results?

A) Blood gas results are normal for someone at end-exercise.
B) There is air contamination since the PaCO2is so low.
C) IV solution has contaminated the blood sample.
D) The test indicates a right-to-left shunt.

Solutions: