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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. Biological control data are obtained for lung volumes by plethysmography. The following results are obtained:

A pulmonary function technologist should repeat the test instructing the individual to

A) Inhale to TLC
B) Pant at 90 to 100 Hz
C) Pant at 40 to 50 Hz
D) Inhale to TV

2. The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer:
2.80 L
2.79 L
2.82 L
The performance of this spirometer is best described as

A) Accurate, but not precise.
B) Precise, but not accurate. .
C) Neither accurate nor precise.
D) Both accurate and precise.

3. The following results were obtained from spirometry before and after a bronchodilator administration:

Which of the following is the correct interpretation of these data?

A) Restrictive pattern with positive bronchodilator response
B) Obstructive pattern with no bronchodilator response
C) Obstructive pattern with positive bronchodilator response
D) Restrictive pattern with no bronchodilator response

4. Using a peak flowmeter, a pulmonary function technologist obtains the following:
The technologist should

A) Report the patient's peak flow as 750 L/min.
B) Report the average of the two best efforts.
C) Perform at least one more peak flow trial.
D) Conclude that bronchodilatation has occurred.

5. The following data are obtained after an exercise (stress) test for exercise-induced asthma:

Based on these data, the post-exercise FEVi represents a decrease of approximately

A) 67%
B) 17%
C) 20%
D) 13%

Solutions: