CPFT Practice Test 2026 — Free CPFT Exam Prep Questions
The NBRC Pulmonary Function Technology Examination awards the CPFT credential at the low cut score and the RPFT at the high cut score to technologists and therapists who perform lung function testing. Our practice questions follow the NBRC PFT Detailed Content Outline for Instrumentation/Equipment, Procedures and Data Management, with spirometry acceptability, lung-volume, DLCO, bronchoprovocation and quality-control scenarios and worked calculations.
A patient with a BMI of 44 kg/m² has TLC 72% of predicted, FEV1/FVC 0.82 (above the LLN), DLCO 98% of predicted and a reduced ERV. Which interpretation best fits?
CPFT format, scoring & key facts
Computer-based at assessment centers, Monday–Saturday.
Facts last verified Oct 5, 2026. Source: www.nbrc.org/wp-content/uploads/2022/03/PFT-Detailed-Content-Outline-EXTERNAL.pdf. Always confirm details with NBRC before your exam.
When can you take the CPFT?
Plan backwards from your exam date
What the CPFT covers
Every PrepBanq CPFT test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Instrumentation / EquipmentSet up, maintain, calibrate, troubleshoot and perform quality control on spirometers, gas analyzers, plethysmographs, blood gas analyzers, exercise and monitoring equipment (33 items). | 33% | ~33 | 8 questions → |
ProceduresSelect test protocols, perform and evaluate the validity of spirometry, lung volumes, DLCO, blood gases, airway responsiveness, exercise and muscle-strength testing (44 items). | 44% | ~44 | 10 questions → |
Data ManagementCalculate results and select reference ranges, evaluate reliability and clinical implications of test data, trending and laboratory quality management (23 items). | 23% | ~23 | 7 questions → |
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CPFT FAQ
How many questions are on the CPFT?
The CPFT has 115 questions (100 of them scored) and you have 2 hours to finish. Question types: Multiple choice (100 scored + 15 pretest items).
How long is the CPFT exam?
Testing time for the CPFT is 2 hours.
What is the passing score for the CPFT?
CPFT passing standard: Two cut scores: low cut earns the CPFT, high cut earns the RPFT.
What is on the CPFT?
The CPFT covers Instrumentation / Equipment (about 33%), Procedures (about 44%), Data Management (about 23%).
Who administers the CPFT?
The NBRC Certified Pulmonary Function Technologist (CPFT) Exam is administered by NBRC. Delivery: Computer-based at assessment centers, Monday–Saturday.
Is there a free CPFT practice test?
Yes. PrepBanq has 3 free CPFT practice tests with 25 exam-style questions in the real CPFT formats, and every answer is explained. No credit card is needed.
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