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RPFT (Registered Pulmonary Function Technologist) Exam
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RPFT (Registered Pulmonary Function Technologist) Exam
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25 Questions

1. At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?
2. A 45-year-old female with sarcoidosis has pulmonary function tests annually. The following data have been recorded: A pulmonary function technologist should conclude that
3. The normal response to an increasing PaCO2 is
4. The following test results are available for a 35-year-old subject who is applying for disability: These findings are consistent with
5. Which of the following tracings represents an airways resistance maneuver performed with a slow breathing frequency?
6. The following data are observed during an exercise test: Which of the following should a pulmonary function technologist do?
7. Biological control data are obtained for lung volumes by plethysmography. The following results are obtained: A pulmonary function technologist should repeat the test instructing the individual to
8. Prior to an exercise study, a pulmonary function technologist finds that the patient's RER is 1.13. Which of the following best explains this finding?
9. In which of the following patients would an end-tidal CO2 most likely produce values that are inconsistent with PaCO2?
10. 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
11. A pulmonary function technologist reviews the following home monitoring spirometry results: According to National Asthma Education and Prevention Program (NAEPP) guidelines, what feedback should the technologist give to the patient regarding test performance?
12. To assure linearity of an oxygen analyzer, calibrate with
13. The following arterial blood gas results are obtained during the final workload of a cardiopulmonary exercise test: Which of the following best explains these results?
14. The desiccant column on an infrared CO2 analyzer is pink. The readings obtained from this analyzer would result in
15. A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should
16. While setting up an exercise laboratory in a city with an altitude of 8,600 ft (2,775 m), a pulmonary function technologist notices the fuel cell O2 analyzer is displaying 15.2%. Which of the following is the best explanation for this finding?
17. The following results were obtained from a symptom-limited exercise (stress) test: Which of the following is true regarding these data?
18. A biologic control subject has a FRCpleth of 4.0
19. The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer: 2.80 L 2.79 L 2.82 L The performance of this spirometer is best described as
20. An isothermal lung analog has the following specifications: 5-L glass bottle 2000 g of steel wool Density of steel wool 5 g/cm3 Volume of connectors and bulb 100 mi-Repeated FRC measurements in the plethysmograph result in a volume of 5.5 L. Which of the following should a pulmonary function technologist do?
21. Which of the following is a valid reason for using biologic controls for DLCo?
22. A patient who smokes three packs of cigarettes a day has a DLco Of 45% of predicted. The patient is referred for exercise (stress) testing. Which of the following should a pulmonary function technologist select to evaluate oxygenation?
23. Which of the following problems may be identified by using an isothermal lung analog to perform quality control on a body plethysmograph? 1. Improperly calibrated mouth pressure transducer 2. Obstructed or perforated pneumotachometer 3. Increase in mechanical resistance 4. Malfunctioning box pressure transducer
24. When using a variable pressure plethysmograph, a leak in the door seal that develops subsequent to calibration will cause underestimation of
25. After finishing the exercise portion of a test for exercise-induced bronchospasm, a patient complains of difficulty catching her breath." A pulmonary function technologist should "

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