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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A 12-year-old patient completed an evaluation for exercise-induced asthma in the pulmonary function laboratory. The patient completed six minutes of exercise on a treadmill with a heart rate of 145 to 150/min.
The following spirometry data were collected:

A pulmonary function technologist should conclude that the exercise test is

A) Adequate workload with a positive response
B) Inadequate workload with a negative response
C) Adequate workload with a negative response
D) Inadequate workload with a positive response

2. Which of the following is the most reliable method to estimate the effectiveness of standard procedures to minimize the risk of cross-contamination during spirometry testing in a pulmonary function laboratory?

A) Count the number of disposable mouthpieces used for 1 week.
B) Observe the handwashing behavior of each technologist.
C) Ask patients tested about laboratory hygiene.
D) Ask technologists if they wash their hands before each test

3. A 54-year-old male who smokes presents to the pulmonary laboratory for chronic cough and dyspnea on exertion. PFT and blood gas results show the following:

Which of the following should the pulmonary function technologist recommend?

A) DLcomeasurement
B) Oxygen therapy with exercise
C) Trial of varenicline (Chantix)
D) Lung volume measurement

4. A pulmonary function laboratory routinely tests five subjects as biologic controls. Acceptable instrument performance over time is indicated when measurements

A) For an individual are within 2 standard deviations of the mean of those for the group.
B) Of the group as a whole agree with those predicted by linear regression for changes in age.
C) Are within the 95% confidence interval predicted for an individual being tested.
D) For each individual are within 2 standard deviations of the mean of previous measurements for each individual.

5.
Which of the above patterns illustrates the effect of increasing temperature in the plethysmograph during airways resistance measurement?

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

Solutions: