100+ Free RPFT Practice Questions
Pass your NBRC Registered Pulmonary Function Technologist exam on the first try — instant access, no signup required.
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Key Facts: RPFT Exam
115
Total Questions
NBRC (100 scored + 15 pilot)
2 hrs
Exam Time
NBRC candidate handbook
High Cut
Passing Score
NBRC scaled scoring model
$200
Exam Fee
NBRC fee schedule (2026)
5 yrs
Credential Validity
NBRC CMP renewal cycle
44%
Procedures Weight
NBRC PFT content outline
The NBRC PFT Examination uses 115 total items (100 scored + 15 pilot) with a 2-hour time limit and $200 fee. Two credential levels are awarded from the same exam: CPFT (low cut score) and RPFT (high cut score). Content weighting is Instrumentation/Equipment (33 scored items, 33%), Procedures (44 scored items, 44%), and Data Management (23 scored items, 23%). AARC members receive a one-time $40 discount on the initial application fee.
About the RPFT Exam
The RPFT credential from the National Board for Respiratory Care demonstrates advanced expertise in pulmonary function testing. The PFT Examination covers instrumentation and equipment (setup, calibration, troubleshooting, QC), clinical testing procedures (spirometry, lung volumes, DLCO, exercise testing), and data management (calculation, interpretation, reference ranges). Earning the RPFT requires achieving the high cut score on the PFT Examination.
Questions
100 scored questions
Time Limit
2 hours
Passing Score
High cut score (scaled)
Exam Fee
$200 (NBRC)
RPFT Exam Content Outline
Instrumentation and Equipment
Setup, maintenance, calibration, troubleshooting of spirometers, plethysmographs, gas analyzers, blood gas systems, and quality control procedures
Procedures
Test protocol selection, spirometry, lung volumes, DLCO, exercise testing, bronchoprovocation, oxygen titration, and result validity evaluation
Data Management
Result calculation, BTPS corrections, reference range selection, reliability evaluation, interpretation, and clinical reporting
How to Pass the RPFT Exam
What You Need to Know
- Passing score: High cut score (scaled)
- Exam length: 100 questions
- Time limit: 2 hours
- Exam fee: $200
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
RPFT Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the RPFT exam?
The PFT Examination contains 115 total questions: 100 scored items plus 15 pilot (unscored) items. You will not know which questions are pilot items.
What is the time limit for the RPFT exam?
The PFT Examination has a 2-hour (120-minute) time limit to complete all 115 questions.
What score do I need to earn the RPFT credential?
The RPFT credential requires achieving the high cut score on the PFT Examination. NBRC uses scaled scoring with two cut points: the low cut score earns CPFT, and the high cut score earns RPFT.
How much does the RPFT exam cost?
The PFT Examination fee is $200 for new applicants and $170 for repeat applicants. AARC members receive a one-time $40 discount on the initial fee.
What are the prerequisites for the RPFT exam?
You must be 18+ and meet one eligibility pathway: hold the CPFT credential, OR complete 62 semester hours of college credit (including biology, chemistry, and math) with 6 months of PFT experience.
How should I prepare for the RPFT exam in 2026?
Focus on procedures (44% of scored items) and instrumentation (33%), then master data management and interpretation. Practice ABG analysis, flow-volume loop interpretation, and equipment troubleshooting scenarios daily.