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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

Question 1

A pulmonary function technologist is performing quality control on a nebulizer used in the 5-breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75 µL with a 2.0 mL initial saline dose in the nebulizer. The technologist should

A. Add an exhalation filter and proceed with testing patients.
B. Clean and reevaluate this nebulizer.
C. Accept the results and begin using the device.
D. Open the vent before starting the bronchial challenge.

Question 2

A 54-year-old male with a normal ECG at rest develops dyspnea during an exercise (stress) test, and the following ECG pattern is noted at 25 watts:

25 mm/sec A pulmonary function technologist should

A. Continue the test and obtain an arterial blood sample.
B. Stop the test immediately; there is evidence of heart block.
C. Continue the test until the subject reaches target heart rate.
D. Stop the test immediately; there is evidence of ischemia.

Question 3

A body plethysmograph box pressure transducer fails the electronic calibration check after multiple attempts.
Which of the following should a pulmonary function technologist do?
1. Perform a biologic control test
2. Inspect the door seal.
3. Re-zero the box pressure transducer.
4. Perform a physical pressure calibration.

A. 2, 3, and 4 only
B. 1, 2, and 3 only
C. 1, 2, and 4 only
D. 1, 3, and 4 only

Question 4

During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve /VCO2) ratio is 100.
This measurement indicates

A. Severe pulmonary hypertension
B. A normal response
C. Equipment malfunction
D. Increased work of breathing

Question 5

Airways resistance and specific conductance tests are requested for a 7-year-old child with asthma. Which of the following techniques is preferred?

A. Oscillation
B. Quiet breathing with body plethysmography
C. Panting with body plethysmography
D. Interrupter

Solutions: