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NBRC RPFT Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Diffusion and Gas Exchange Testing | - DLCO testing principles and interpretation |
| Cardiopulmonary Physiology and Interpretation | - Interpretation of pulmonary function patterns (obstructive, restrictive, mixed) - Gas exchange and acid-base fundamentals |
| Spirometry and Lung Volume Testing | - Forced vital capacity (FVC) and flow-volume loops - Lung volume measurement techniques |
| Patient Assessment and Testing Principles | - Patient preparation and coaching techniques - Pulmonary function test indications and contraindications |
| Safety, Infection Control, and Patient Care | - Infection prevention in pulmonary testing environments - Emergency procedures and patient safety monitoring |
| Pulmonary Function Equipment and Quality Control | - Quality assurance and infection control procedures - Calibration and maintenance of spirometry systems |
NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:
1. A pulmonary function laboratory routinely tests five subjects as biologic controls. Acceptable instrument performance over time is indicated when measurements
A) Are within the 95% confidence interval predicted for an individual being tested.
B) For an individual are within 2 standard deviations of the mean of those for the group.
C) Of the group as a whole agree with those predicted by linear regression for changes in age.
D) For each individual are within 2 standard deviations of the mean of previous measurements for each individual.
2. A pulmonary function technologist is reviewing results of a recent mechanical diffusion simul-ation using a 3- liter syringe. The test was conducted at a room temperature of 22° C. The following BTPS results were reported:
Which of the following should the technologist do?
A) Change the calibration gases.
B) Proceed with testing.
C) Recalibrate the gas analyzer.
D) Recalibrate the pneumotachometer.
3. At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2of 750 mUmin. The calculated
02 pulse is most consistent with which of the following?
A) achievement of anaerobic threshold
B) cardiomyopathy
C) cystic fibrosis
D) deconditioning
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 30% in FEF25-75%
B) An increase of more than 20% in airway resistance
C) A decline of more than 20% in inspiratory capacity
D) A decline of more than 20% in FEV1
5. 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
A) Inadequate workload with a positive response
B) Adequate workload with a negative response
C) Inadequate workload with a negative response
D) Adequate workload with a positive response
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: D |
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