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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A pulmonary function technologist is reviewing results of a recent mechanical diffusion simul-ation using a 3- liter syringe. The test was conducted at a room temperature of 22° C. The following BTPS results were reported:
Which of the following should the technologist do?

A) Recalibrate the pneumotachometer.
B) Change the calibration gases.
C) Recalibrate the gas analyzer.
D) Proceed with testing.

2. Which of the following is an appropriate reason to perform a multiple-breath nitrogen washout test?

A) Differentiate obstruction from restriction.
B) Detect early small airway disease.
C) Measure oxygen consumption.
D) Measure anatomical dead space.

3. The following results are obtained from an adult male:
The corrected DLcovalue

A) is lower.
B) is higher.
C) is unchanged.
D) cannot be calculated.

4. A patient who smokes three packs of cigarettes a day has a DLcoOf 45% of predicted. The patient is referred for exercise (stress) testing. Which of the following should a pulmonary function technologist select to evaluate oxygenation?

A) Pulse oximetry
B) Arterial blood gas analysis
C) End-tidal oxygen tension
D) Transcutaneous oxygen electrode

5. When performing exercise testing on a biologic control, the measurements obtained should be compared with

A) Previous tests performed on the biologic control.
B) At least two other biologic controls being tested.
C) Predicted values used for the biologic control's height and weight
D) The patient population that will be tested.

Solutions: