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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. The following results are obtained from an adult patient:
Which of the following is the best interpretation of these values?

A) Small airway disease
B) Airways obstruction
C) Combined obstruction/restriction
D) Normal values

2. When using a variable pressure plethysmograph, a leak in the door seal that develops subsequent to calibration will cause underestimation of

A) VTG
B) Raw
C) vital capacity
D) Alveolar pressure

3. When performing quality control in a body plethysmograph using a 5-L isothermal bottle, the VTGat shutter closure are as follows:

A pulmonary function technologist should

A) Check biological control before beginning testing.
B) Service the mouth pressure transducer.
C) Recalibrate the box pressure transducer.
D) Proceed with patient testing.

4. A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should

A) Tighten the belt.
B) Decrease the treadmill grade.
C) Increase the speed of the belt.
D) Instruct the patient to use the hand rails.

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

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

Solutions: