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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

Question 1

A body plethysmograph box pressure transducer fails the electronic calibration check after multiple attempts.
Which of the following should a pulmonary function technologist do?
1. Perform a biologic control test
2. Inspect the door seal.
3. Re-zero the box pressure transducer.
4. Perform a physical pressure calibration.

A. 1, 3, and 4 only
B. 1, 2, and 4 only
C. 2, 3, and 4 only
D. 1, 2, and 3 only

Question 2

The following results were obtained from a symptom-limited exercise (stress) test:

Which of the following is true regarding these data?

A. The patient is deconditioned.
B. The patient has a pulmonary limitation to exercise.
C. The patient has a cardiac limitation to exercise.
D. The patient reached the anaerobic threshold.

Question 3

A helium dilution test has just been performed on a patient. The following results are obtained:
FRC 5.0 L
VC 4.0 L
ERV 1.5 L
TLC was calculated to be 6.0 L by plethysmography. From this information, a pulmonary function technologist should conclude that the patient

A. Did not remain in the helium dilution breathing circuit long enough for equilibration.
B. Was turned into the helium dilution circuit at a lung volume considerably above FRC.
C. Had inadequate intrapulmonary mixing of inspired gas, resulting in an erroneous FRC.
D. Did not perform the slow vital capacity properly, resulting in too low an FRC by helium dilution.

Question 4

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

Question 5

Which of the following is correct regarding smoking cessation?

A. Withdrawal symptoms are mild and last less than 48 hours.
B. Support systems are minimally effective in smoking cessation.
C. Smokers who quit suddenly and without help are most likely to be successful.
D. Pharmacologic therapy increases chances of success along with counseling.

Solutions: