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Real NBRC RPFT practice exam questions for easy pass!

Updated: Aug 25, 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
Exam Format:Multiple-choice questions
Related Certifications:Certified Respiratory Therapist (CRT)
Certified Pulmonary Function Technologist (CPFT)
Registered Respiratory Therapist (RRT)
Real Exam Qty:115 (100 scored, 15 unscored pilot items)
Available Languages:English
Certificate Validity Period:5 years (maintained via NBRC Credential Maintenance Program)
Exam Duration:120 minutes
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
Recommended Training:NBRC Official Candidate Handbook
AARC Educational Resources
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
Topic 1: Instrumentation and Equipment33%- Troubleshooting and Quality Control
  • 1. Corrective actions and documentation
    • 2. Equipment malfunction identification
      • 3. Performance verification and quality assurance
        - Setup, Maintenance, Calibration
        • 1. Plethysmographs and test equipment
          • 2. Body measurement devices
            • 3. Calibration standards and procedures
              • 4. Gas analyzers and measurement systems
                Topic 2: Procedures44%- Test Performance
                • 1. Spirometry, lung volumes, diffusion capacity
                  • 2. Technique and standardization
                    • 3. Exercise testing and specialized studies
                      - Test Selection and Preparation
                      • 1. Contraindications and safety precautions
                        • 2. Patient preparation and instruction
                          • 3. Protocol selection based on indication
                            - Result Validity Assessment
                            • 1. Acceptability and reproducibility criteria
                              • 2. Technical quality evaluation
                                • 3. Artifact recognition and exclusion
                                  Topic 3: Data Management and Interpretation23%- Clinical Interpretation
                                  • 1. Correlation with clinical context
                                    • 2. Report generation and communication
                                      • 3. Pattern recognition and classification
                                        - Calculation and Reference Values
                                        • 1. Parameter calculation and correction
                                          • 2. Predicted values and percent-predicted reporting
                                            • 3. Selection of appropriate reference equations
                                              - Reliability and Quality Review
                                              • 1. Variability and repeatability assessment
                                                • 2. Data integrity and completeness

                                                  NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

                                                  Question 1

                                                  The following results are obtained from an adult patient:
                                                  Which of the following is the best interpretation of these values?

                                                  A. Normal values
                                                  B. Airways obstruction
                                                  C. Small airway disease
                                                  D. Combined obstruction/restriction


                                                  Question 2

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


                                                  Question 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. deconditioning
                                                  C. cystic fibrosis
                                                  D. achievement of anaerobic threshold


                                                  Question 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 two test results are within day-to-day variability.
                                                  B. The spirometer accuracy drifted during the test.
                                                  C. The patient's effort was inconsistent.
                                                  D. Incorrect doses of methacholine were administered.


                                                  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. PaCO2
                                                  D. BE


                                                  Solutions:

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

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