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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

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

2. During a forced vital capacity (FVC) maneuver, a patient produces an exhalation with a slow start and delayed peak expiratory flow. Which of the following is the most probable cause of this pattern?

A) Submaximal effort by the patient
B) Leak in the mouthpiece
C) Glottic closure at the start of exhalation
D) Incorrect nose clip placement

3. A patient who smokes three packs of cigarettes a day has a DLcoOf 45% of predicted. The patient is referred for exercise (stress) testing. Which of the following should a pulmonary function technologist select to evaluate oxygenation?

A) Transcutaneous oxygen electrode
B) Pulse oximetry
C) Arterial blood gas analysis
D) End-tidal oxygen tension

4. The following data are obtained for a 60-year-old male undergoing an exercise (stress) test on an ergometer:

A pulmonary function technologist should

A) Stop the test because the blood pressure response is abnormal.
B) Stop the test because the heart rate is too high after 10 minutes.
C) Continue the test since this is a normal cardiopulmonary response.
D) Stop the test because this is an abnormal VD/VT response.

5. During daily quality control procedures on an infrared CO2analyzer, a pulmonary function technologist is unable to adjust the gain to the calibration gas concentration. Which of the following is the most likely explanation?

A) Presence of high levels of oxygen
B) Saturation of the soda lime
C) Increased gas sampling rate
D) Water droplets in the sample cell

Solutions: