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Last Updated: Sep 16, 2026

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NBRC RPFT Exam Overview:

Certification Vendor:NBRC (National Board for Respiratory Care)
Exam Name:Registry Examination for Advanced Pulmonary Function Technologists (Pulmonary Function Technology Examination)
Exam Number:PFT / RPFT
Real Exam Qty:115 (100 scored, 15 unscored pilot items)
Passing Score:High cut score (scaled score, exact value not publicly disclosed; separate from CPFT low cut score)
Exam Price:$200 (new applicants), $170 (repeat applicants); $150 additional fee for international testing
Exam Format:Multiple-choice questions
Available Languages:English
Exam Duration:120 minutes
Related Certifications:Certified Pulmonary Function Technologist (CPFT)
Certified Respiratory Therapist (CRT)
Registered Respiratory Therapist (RRT)
Certificate Validity Period:5 years (maintained via NBRC Credential Maintenance Program)
Recommended Training:AARC Educational Resources
NBRC Official Candidate Handbook
Exam Registration:NBRC Official Registration
PSI Testing Center Scheduling
Sample Questions:NBRC RPFT Sample Questions
Exam Way:Computer-based testing at authorized PSI test centers; online proctored option available
Pre Condition:Must be 18+ years old; meet one of: 1) Associate degree or higher from CoARC-accredited respiratory care program; 2) Hold CRT or RRT credential; 3) 62 semester hours college credit (including biology, math) + 6 months PFT experience; 4) Hold CPFT credential
Official Syllabus URL:https://www.nbrc.org/examinations/rpft/

NBRC RPFT Exam Syllabus Topics:

SectionWeightObjectives
Data Management and Interpretation23%- Calculation and Reference Values
  • 1. Parameter calculation and correction
    • 2. Selection of appropriate reference equations
      • 3. Predicted values and percent-predicted reporting
        - Reliability and Quality Review
        • 1. Variability and repeatability assessment
          • 2. Data integrity and completeness
            - Clinical Interpretation
            • 1. Report generation and communication
              • 2. Pattern recognition and classification
                • 3. Correlation with clinical context
                  Instrumentation and Equipment33%- Setup, Maintenance, Calibration
                  • 1. Gas analyzers and measurement systems
                    • 2. Calibration standards and procedures
                      • 3. Plethysmographs and test equipment
                        • 4. Body measurement devices
                          - Troubleshooting and Quality Control
                          • 1. Corrective actions and documentation
                            • 2. Performance verification and quality assurance
                              • 3. Equipment malfunction identification
                                Procedures44%- Test Selection and Preparation
                                • 1. Contraindications and safety precautions
                                  • 2. Patient preparation and instruction
                                    • 3. Protocol selection based on indication
                                      - Test Performance
                                      • 1. Exercise testing and specialized studies
                                        • 2. Spirometry, lung volumes, diffusion capacity
                                          • 3. Technique and standardization
                                            - Result Validity Assessment
                                            • 1. Artifact recognition and exclusion
                                              • 2. Acceptability and reproducibility criteria
                                                • 3. Technical quality evaluation

                                                  Frequently Asked Questions About NBRC Registry Examination for Advanced Pulmonary Function Technologists

                                                  The RPFT exam leads to the Registered Pulmonary Function Technologist (RPFT) certification, a Advanced / Professional-level credential from NBRC. It validates the skills measured by the NBRC Registry Examination for Advanced Pulmonary Function Technologists syllabus and is a recognized step for IT professionals building their careers, and it sits alongside related credentials such as Certified Pulmonary Function Technologist (CPFT), Certified Respiratory Therapist (CRT), Registered Respiratory Therapist (RRT).

                                                  The NBRC Registry Examination for Advanced Pulmonary Function Technologists exam includes 115 (100 scored, 15 unscored pilot items) questions and gives you 120 minutes to complete them. That works out to a fairly tight pace, so reading each question carefully but decisively matters more than perfectionism. If a question stalls you, flag it and move on; banking the easier points first keeps time pressure from snowballing near the end. Before test day, run at least one full timed session with the Actualtests4sure practice test so the rhythm feels familiar rather than rushed.

                                                  You need High cut score (scaled score, exact value not publicly disclosed; separate from CPFT low cut score) to pass the RPFT exam, and the official registration fee is $200 (new applicants), $170 (repeat applicants); $150 additional fee for international testing. Keep in mind that a failed attempt means paying the full fee again to retake the exam, so it pays to be honest with yourself before booking a seat. A practical benchmark: work through the 117 practice questions at Actualtests4sure until you can score comfortably above the passing line in timed mode, then schedule your exam.

                                                  Must be 18+ years old; meet one of: 1) Associate degree or higher from CoARC-accredited respiratory care program; 2) Hold CRT or RRT credential; 3) 62 semester hours college credit (including biology, math) + 6 months PFT experience; 4) Hold CPFT credential Because NBRC may adjust its policies over time, we recommend confirming the latest requirements on the official exam page (official exam page) before you register.

                                                  You can sign up for the NBRC Registry Examination for Advanced Pulmonary Function Technologists exam through any of the official registration channels below:

                                                  As for how the exam is delivered: Computer-based testing at authorized PSI test centers; online proctored option available.

                                                  NBRC suggests the following training options for candidates preparing for NBRC Registry Examination for Advanced Pulmonary Function Technologists:

                                                  Formal training is a solid foundation, and pairing it with the 117 practice questions from Actualtests4sure helps you turn that knowledge into exam-day confidence.

                                                  Yes. Actualtests4sure offers a free PDF demo of the NBRC Registry Examination for Advanced Pulmonary Function Technologists material, so you can review the question style and answer quality before making a decision. Every purchase also includes 365 days of free updates, and after that period you can extend your updates at a 50% discount, which keeps your preparation current through 2026 and beyond.

                                                  If you take the NBRC Registry Examination for Advanced Pulmonary Function Technologists exam within 60 days of your purchase and do not pass, Actualtests4sure offers a full refund under its Money Back Guarantee. To apply, send a scanned copy of your exam enrollment slip together with your official Score Report in PDF format within 2 days of the exam date, and your claim will be processed within 7 days. The guarantee applies only to the corresponding exam: attempts made within 3 days of purchase, exams downloaded but never actually taken, free materials, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not take a refund, you can exchange your product for two additional exam preparation products of equal value and keep the update service on your original purchase. Delivery itself is instant: your product is available for download right after payment and is also sent to your email within one minute, and if it has not arrived within 2 hours, contact our support team. There is no limit on how many computers you can install it on.

                                                  The NBRC Registry Examination for Advanced Pulmonary Function Technologists syllabus is divided into 3 main domains, including Instrumentation and Equipment (33%), Data Management and Interpretation (23%), Procedures (44%). Each domain carries a different share of the total score, so knowing where the weight sits helps you allocate your study time wisely. You will find the complete, up-to-date outline in the Exam Topics section above.

                                                  NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

                                                  Question #1

                                                  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

                                                  • A. Administer oxygen at 2 L/min.
                                                  • B. Give the patient a bronchodilator.
                                                  • C. Have the patient perform an FVC maneuver.
                                                  • D. Instruct the patient to breathe normally.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

                                                  Question #2

                                                  Pulmonary function tests performed on a patient with tracheal stenosis may demonstrate increased

                                                  • A. FIF50.
                                                  • B. Raw.
                                                  • C. SVC.
                                                  • D. Static compliance.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A  🗳️

                                                  Question #3

                                                  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?

                                                  • A. Change the CO2and H2O absorbers.
                                                  • B. Continue testing patients.
                                                  • C. Check the flow sensor.
                                                  • D. Change the DLcoCO analyzer.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C  🗳️

                                                  Question #4

                                                  While assessing a patient's expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

                                                  • A. The patient has an elevated VDAVT
                                                  • B. A gas analyzer is malfunctioning
                                                  • C. The patient is hyperventilating
                                                  • D. The expired gas is contaminated with air
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

                                                  Question #5

                                                  The following blood gas report is questioned by the attending physician:

                                                  Which of the following values is INCONSISTENT?

                                                  • A. HCO3
                                                  • B. pH
                                                  • C. BE
                                                  • D. PaCO2
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C  🗳️

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