NBRC Registry Examination for Advanced Pulmonary Function Technologists : RPFT

RPFT real exams

Exam Code: RPFT

Exam Name: Registry Examination for Advanced Pulmonary Function Technologists

Updated: Sep 09, 2026

Q & A: 117 Questions and Answers

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About NBRC Registry Examination for Advanced Pulmonary Function Technologists : RPFT Exam

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NBRC RPFT Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Equipment Operation and Calibration30%- Calibration Procedures
  • 1. Volume and flow calibration
  • 2. Gas analyzer calibration
- Infection Control
  • 1. Cleaning and disinfection
  • 2. Filter usage and replacement
Topic 2: Diffusion Capacity (DLCO)10%- Test Performance
  • 1. Gas sample analysis
  • 2. Breath-hold technique
Topic 3: Spirometry15%- Measurement and Calculation
  • 1. FVC, FEV1, and derived indices
  • 2. Comparison with predicted values
- Pre-test Procedures
  • 1. Acceptability and repeatability criteria
  • 2. Patient coaching techniques
Topic 4: Body Plethysmography10%- Lung Volume Measurement
  • 1. Residual volume (RV) and total lung capacity (TLC)
  • 2. Thoracic gas volume (TGV)
Topic 5: Data Quality, Analysis, and Reporting5%- Reporting
  • 1. Interpretation and documentation
- Quality Control
  • 1. Identify technical errors
Topic 6: Patient Preparation and Assessment25%- Physical Assessment
  • 1. Patient positioning and comfort
  • 2. Anthropometric measurements
- Patient Interview and History
  • 1. Identify contraindications
  • 2. Assess patient ability to perform tests
Topic 7: Respiratory Muscle Strength5%- MIP and MEP Measurements
  • 1. Techniques and patient instruction

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

Question #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. A decline of more than 20% in FEV1
  • C. An increase of more than 20% in airway resistance
  • D. A decline of more than 30% in FEF25-75%
Answer: B
Question #2

A patient has normal pulmonary and cardiac function. Which of the following is most likely when the patient reaches the anaerobic threshold during incremental stress testing?

  • A. Decreased CO2production
  • B. Decreased VE
  • C. Increased RER
  • D. Increased VDA/VTratio
Answer: D
Question #3

A pulmonary function technologist is performing quality control on a nebulizer used in the 5-breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75 µL with a 2.0 mL initial saline dose in the nebulizer. The technologist should

  • A. Open the vent before starting the bronchial challenge.
  • B. Clean and reevaluate this nebulizer.
  • C. Accept the results and begin using the device.
  • D. Add an exhalation filter and proceed with testing patients.
Answer: C
Question #4

Which of the following spirometry results is most characteristic of a restrictive lung disease?

  • A. Decreased FEV1/FVC ratio and normal FVC
  • B. Normal FEV1/FVC ratio and decreased FVC
  • C. Increased residual volume and increased FEV1/FVC ratio
  • D. Increased FEV1 with normal total lung capacity
Answer: B
Question #5

Which of the following is correct regarding smoking cessation?

  • A. Withdrawal symptoms are mild and last less than 48 hours.
  • B. Pharmacologic therapy increases chances of success along with counseling.
  • C. Support systems are minimally effective in smoking cessation.
  • D. Smokers who quit suddenly and without help are most likely to be successful.
Answer: B

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