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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

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

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

2. Which of the following thresholds for a clinically significant change in lung function from the beginning to the end of a methacholine challenge test is significant?

A) An increase of more than 20% in airway resistance
B) A decline of more than 20% in FEV1
C) A decline of more than 20% in inspiratory capacity
D) A decline of more than 30% in FEF25-75%

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

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

4. 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) Alveolar ventilation is above normal.
C) Dead space ventilation is above normal.
D) Values are within normal limits.

5. During a bronchial provocation study, a patient has the following spirometric values after a 0.25 mg/mL dose of methacholine:

Based on these results, a pulmonary function technologist should

A) Reduce the concentration of methacholine on the next trial.
B) Stop the test and immediately administer a bronchodilaior.
C) Instruct the patient to blow out harder and repeat the effort.
D) Instruct the patient to blow out longer and repeat the effort.

Solutions: