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NBRC RPFT Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Patient Assessment and Testing Principles | - Patient preparation and coaching techniques - Pulmonary function test indications and contraindications |
| Diffusion and Gas Exchange Testing | - DLCO testing principles and interpretation |
| 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 |
| Spirometry and Lung Volume Testing | - Forced vital capacity (FVC) and flow-volume loops - Lung volume measurement techniques |
| Cardiopulmonary Physiology and Interpretation | - Interpretation of pulmonary function patterns (obstructive, restrictive, mixed) - Gas exchange and acid-base fundamentals |
NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:
1. 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 20% in inspiratory capacity
B) An increase of more than 20% in airway resistance
C) A decline of more than 20% in FEV1
D) A decline of more than 30% in FEF25-75%
2. During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve /VCO2) ratio is 100.
This measurement indicates
A) Increased work of breathing
B) Equipment malfunction
C) A normal response
D) Severe pulmonary hypertension
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) cardiomyopathy
B) achievement of anaerobic threshold
C) deconditioning
D) cystic fibrosis
4. The following data were obtained from a bronchial challenge test:
APC20of 2 mg/mL was obtained the next day in another laboratory. Which of the following is the most likely explanation for these data?
A) The patient's effort was inconsistent.
B) Incorrect doses of methacholine were administered.
C) The two test results are within day-to-day variability.
D) The spirometer accuracy drifted during the test.
5. The following results are obtained:
The RV/TLC ratio from these data is consistent with which of the following?
A) Restrictive defect
B) Combined obstructive/restrictive defect
C) Normal lung volumes
D) Obstructive defect
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: D |
