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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. The following Levy-Jennings charts of control values are obtained: Which of the following is the correct sequence of actions for a pulmonary function technologist to take? 1. Replace the oxygen electrode. 2. Check the temperature of the measuring chamber. 3. Run protein remover through the blood gas analyzer. 4. Replace the CO2 electrode.
2. To facilitate measurement of arterial oxygen content during an exercise (stress) test, a pulmonary function technologist should recommend
3. Which of the following information reported from a recent methacholine challenge test best summarizes the patient's bronchial hyperresponsiveness?
4. 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?
5. A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should
6. A polarographic oxygen analyzer used to measure expired gas in a metabolic system should always be calibrated with
7. 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
8. The following results were obtained from a symptom-limited exercise (stress) test: Which of the following is true regarding these data?
9. The following data were obtained from a bronchial challenge test: APC20 of 2 mg/mL was obtained the next day in another laboratory. Which of the following is the most likely explanation for these data?
10. The following results were obtained from spirometry before and after a bronchodilator administration: Which of the following is the correct interpretation of these data?
11. Which of the above patterns illustrates the effect of increasing temperature in the plethysmograph during airways resistance measurement?
12. The following data are observed during an exercise test: Which of the following should a pulmonary function technologist do?
13. 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?
14. 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.
15. During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve /VCO2) ratio is 100. This measurement indicates
16. While performing a quality control test on an open circuit nitrogen system, the volume of a 3-liter syringe is measured as 3.9 L. Which of the following is the most probable explanation?
17. The desiccant column on an infrared CO2 analyzer is pink. The readings obtained from this analyzer would result in
18. The following biologic control data ranges were established: The following additional data were obtained when assessing the equipment: Which of the following should a pulmonary function technologist do?
19. 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
20. The ECG above is recorded during the recovery phase immediately following termination of an ergo meter exercise study. A pulmonary function technologist should
21. 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 "
22. 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?
23. At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2 of 750 mUmin. The calculated 02 pulse is most consistent with which of the following?
24. 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?
25. 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

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