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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A comparison of two techniques for measuring Rawis shown below:

Which of the following should a pulmonary function technologist conclude?

A) Results are consistent with the two methodologies.
B) Subject 1 panted too forcefully.
C) The system was calibrated for quiet breathing.
D) Subjects 1 and 2 both have reactive airways.

2. Which of the following thresholds for a clinically significant change in lung function from the beginning to the end of a methacholine challenge test is significant?

A) A decline of more than 30% in FEF25-75%
B) A decline of more than 20% in inspiratory capacity
C) A decline of more than 20% in FEV1
D) An increase of more than 20% in airway resistance

3. 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?

A) dynamic hyperinflation
B) acute decrease in FRC
C) disconnected gas sampling line
D) drift in the flow transducer

4. The following results are obtained from an adult patient:
Which of the following is the best interpretation of these values?

A) Airways obstruction
B) Small airway disease
C) Combined obstruction/restriction
D) Normal values

5. The following biologic control data ranges were established:
The following additional data were obtained when assessing the equipment:
Which of the following should a pulmonary function technologist do?

A) Check the flow sensor.
B) Continue testing patients.
C) Change the DLcoCO analyzer.
D) Change the CO2and H2O absorbers.

Solutions: