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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. During an exercise study, the RER will equal the RQ only when the patient is at

A) The anaerobic threshold
B) Peak exercise
C) Steady state
D) Rest

2. Prior to performing a multiple-breath U2 washout test, a pulmonary function technologist is unable to zero the H2 gas analyzer. Which of the following may be responsible?

A) Exhausted fuel cell
B) Inadequate vacuum
C) Chopper motor failure
D) Condensation of water

3. A pulmonary function technologist is performing a single-breath diffusion capacity (DLCO) test. Which of the following factors is most likely to cause a falsely elevated DLCO result?

A) Pulmonary hemorrhage
B) Severe anemia
C) Alveolar fibrosis
D) Poor inspiratory effort

4. A patient has just finished a 6-minute walk test during which she stopped and rested by leaning against a wall several times, while catching her breath. Which of the following should a pulmonary function technologist do?

A) Document the total distance the patient covered in 6 minutes.
B) Repeat the test with supplemental oxygen after the patient is fully rested.
C) Report that the patient was unable to complete a standard 6-minute walk test.
D) Subtract the time spent at rest and report the distance walked during the time spent walking.

5. 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, 2, and 3 only
B) 2, 3, and 4 only
C) 1, 3, and 4 only
D) 1, 2, and 4 only

Solutions: