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NBRC RPFT Exam Syllabus Topics:

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

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

Question 1

In which of the following patients would an end-tidal CO2most likely produce values that are inconsistent with PaCO2?

A. 20 year old who smokes cigarettes
B. 42 year old with moderate COPD
C. 12 year old with kyphoscoliosis
D. 50 year old with mild scleroderma


Question 2

A 54-year-old male who smokes presents to the pulmonary laboratory for chronic cough and dyspnea on exertion. PFT and blood gas results show the following:

Which of the following should the pulmonary function technologist recommend?

A. DLcomeasurement
B. Lung volume measurement
C. Oxygen therapy with exercise
D. Trial of varenicline (Chantix)


Question 3

During the calibration and set-up of the metabolic stress testing system for a patient breathing supplemental oxygen, which of the following gas concentrations will ensure accurate calibration of the system?

A. Option C
B. Option A
C. Option D
D. Option B


Question 4

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 O2analyzer is displaying 15.2%. Which of the following is the best explanation for this finding?

A. This exercise system will not work at high altitude.
B. The analyzer is responding to P1O2.
C. F1O2decreases with increasing altitude.
D. The fuel cell needs to be changed.


Question 5

A pulmonary function laboratory routinely tests five subjects as biologic controls. Acceptable instrument performance over time is indicated when measurements

A. For each individual are within 2 standard deviations of the mean of previous measurements for each individual.
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. Are within the 95% confidence interval predicted for an individual being tested.


Solutions:

Question 1
Answer: B
Question 2
Answer: A
Question 3
Answer: C
Question 4
Answer: B
Question 5
Answer: D

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