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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. Prior to performing a multiple-breath U2 washout test, a pulmonary function technologist is unable to zero the H2 gas analyzer. Which of the following may be responsible?

A) Condensation of water
B) Chopper motor failure
C) Inadequate vacuum
D) Exhausted fuel cell

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

3. To facilitate measurement of arterial oxygen content during an exercise (stress) test, a pulmonary function technologist should recommend

A) Radial artery catheterization
B) Pulse oximetry
C) End-tidal monitoring
D) An arterial puncture at anaerobic threshold

4. The following data are obtained for a 60-year-old male undergoing an exercise (stress) test on an ergometer:

A pulmonary function technologist should

A) Stop the test because the heart rate is too high after 10 minutes.
B) Stop the test because this is an abnormal VD/VT response.
C) Continue the test since this is a normal cardiopulmonary response.
D) Stop the test because the blood pressure response is abnormal.

5. The following test results are available for a 35-year-old subject who is applying for disability:
These findings are consistent with

A) Pulmonary fibrosis
B) A paralyzed hemidiaphragm
C) Occupational asthma
D) Poor effort

Solutions: