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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A physician orders smoking cessation counseling for a 60-year-old male with a new diagnosis of CHF and COPD. The patient has failed several attempts to quit smoking using nicotine gum. Which of the following should a pulmonary function technologist recommend?

A) Increase the dosage of the nicotine replacement.
B) Switch to a nicotine patch.
C) Add a trial of bupropion (Zyban).
D) Use alternative medicine such as acupuncture.

2. A 6-year-old child has a history of repeated episodes of wheezing and shortness of breath. A pulmonary function technologist has difficulty obtaining repeatable spirometry results. Which of the following tests should be performed next?

A) MVV
B) SpO2
C) DLco
D) SGaw

3. During a cardiopulmonary stress test using breath-by-breath gas analysis, a pulmonary function technologist notices that the VO2suddenly decreases. Which of the following may explain this change?
1. The patient has achieved anaerobic threshold.
2. The measurement of the expired gas volumes is inaccurate.
3. O2analyzer "phase delay" has increased.
4. There is a leak in the tubing or mouthpiece.

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

4. Treadmill speed can be verified by

A) Dividing the height by the horizontal distance.
B) Multiplying the belt length by the cycles/min.
C) Dividing the cycles/min by the belt length.
D) Multiplying the cycles/min by the height.

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

Solutions: