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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A pulmonary function technologist is performing an exercise study on a patient with sarcoidosis. Which of the following end-tidal CO2values should the technologist expect at rest, if the test is performed appropriately?

A) 2-3%
B) 4-5%
C) 7-10%
D) 0-1.5%

2. The desiccant column on an infrared CO2analyzer is pink. The readings obtained from this analyzer would result in

A) A decreased CO2
B) No effect on CO2
C) An increased CO2
D) An unstable reading

3. Which of the following problems may be identified by using an isothermal lung analog to perform quality control on a body plethysmograph?
1. Improperly calibrated mouth pressure transducer
2. Obstructed or perforated pneumotachometer
3. Increase in mechanical resistance
4. Malfunctioning box pressure transducer

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

4. During the calibration and set-up of the metabolic stress testing system for a patient breathing supplemental oxygen, which of the following gas concentrations will ensure accurate calibration of the system?

A) Option D
B) Option B
C) Option C
D) Option A

5. An arterial blood gas performed prior to exercise on a 45-year-old patient shows the following results:

A pulmonary function technologist should conclude that the patient's

A) Hemoglobin level is below normal.
B) Values are within normal limits.
C) Alveolar ventilation is above normal.
D) Dead space ventilation is above normal.

Solutions: