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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. While setting up an exercise laboratory in a city with an altitude of 8,600 ft (2,775 m), a pulmonary function technologist notices the fuel cell O2analyzer is displaying 15.2%. Which of the following is the best explanation for this finding?

A) F1O2decreases with increasing altitude.
B) This exercise system will not work at high altitude.
C) The fuel cell needs to be changed.
D) The analyzer is responding to P1O2.

2. A patient's vital capacity is slightly reduced, the FEWFVC is normal, and the uncorrected DLco is increased.
Which of the following is the most likely diagnosis?

A) polycythemia vera
B) diffuse pulmonary fibrosis
C) diaphragmatic hemiparesis
D) kyphoscoliosis

3. The following biologic control measurements are obtained:
Which of the following patterns appears in this plot?

A) Noise
B) In control
C) Shift
D) Drift

4. During a linearity check of a flow sensor in a plethysmograph with a 3-liter calibration syringe, a pulmonary function technologist observes the following:

Which of the following should the technologist do?

A) Recalibrate and repeat the linearity check.
B) Look for an obstruction in the flow sensor.
C) Perform an additional flow check at 10 L/sec.
D) Record these results and begin testing.

5. At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?

A) 1.25
B) 1.65
C) 0.83
D) 1.00

Solutions: