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Questions by Category

Cpft-Procedures80 questions
Cpft-Instrumentation-Equipment65 questions
Cpft-Data-Management55 questions
2026 Statistics

Key Facts: CPFT Exam

115

Total Questions

NBRC

100

Scored Items

NBRC

2 hours

Time Limit

NBRC

$200

Exam Fee

NBRC 2026

3

Content Domains

NBRC CPFT outline

PSI

Testing Centers

NBRC

The NBRC CPFT exam contains 115 multiple-choice items (100 scored + 15 pretest) administered over 2 hours. The exam covers three domains: Instrumentation/Equipment (33 items), Procedures (44 items), and Data Management (23 items). CPFTs work in hospitals, clinics, and physician offices performing pulmonary function testing.

About the CPFT Exam

The CPFT is an entry-level NBRC certification for pulmonary function technologists. It validates competency in performing pulmonary diagnostic tests including spirometry, lung volumes, diffusing capacity, and cardiopulmonary exercise testing.

Questions

115 scored questions

Time Limit

2 hours

Passing Score

Determined by NBRC standard-setting

Exam Fee

$200 ($160 retake) (NBRC)

CPFT Exam Content Outline

33 items (29%)

Instrumentation and Equipment

Equipment setup, calibration, quality control, troubleshooting, safety standards, and infection control for spirometers, plethysmographs, gas analyzers, and other PFT equipment

44 items (38%)

Procedures

Patient preparation, test protocols, and performance of spirometry, lung volume measurements, DLCO, bronchial provocation, cardiopulmonary exercise testing, and other procedures

23 items (20%)

Data Management

Calculations, reference values, test interpretation, quality assurance, artifact recognition, and clinical correlation of pulmonary function test results

How to Pass the CPFT Exam

What You Need to Know

  • Passing score: Determined by NBRC standard-setting
  • Exam length: 115 questions
  • Time limit: 2 hours
  • Exam fee: $200 ($160 retake)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

CPFT Study Tips from Top Performers

1Master ATS/ERS standards for spirometry, lung volumes, and DLCO testing - these are heavily tested
2Practice calibration calculations and quality control procedures for all equipment types
3Study normal values and how to interpret obstructive vs restrictive patterns on PFTs
4Understand the physics of gas analysis, flow measurement, and BTPS corrections
5Know patient preparation requirements and contraindications for each test procedure

Frequently Asked Questions

What is the NBRC CPFT exam format?

The CPFT exam consists of 115 multiple-choice questions (100 scored and 15 pretest) administered over a 2-hour time limit. The exam is computer-based and offered at PSI testing centers nationwide.

What are the CPFT exam domains?

The CPFT exam has three content domains: I) Instrumentation and Equipment (33 questions, ~29%), II) Procedures (44 questions, ~38%), and III) Data Management (23 questions, ~20%). The remaining ~13% covers cross-content areas.

How much does the CPFT exam cost?

The CPFT exam fee is $200 for first-time candidates and $160 for retakes. Fees are paid to the NBRC when submitting your application.

What are the eligibility requirements for CPFT?

To sit for the CPFT exam, candidates must: 1) be at least 18 years old, 2) have a high school diploma or equivalent, and 3) have completed a CoARC-accredited respiratory care program or equivalent. Some candidates may qualify through work experience.

How should I study for the CPFT exam?

Focus on the three domains proportionally: spend the most time on Procedures (38%), followed by Instrumentation/Equipment (29%), then Data Management (20%). Practice with actual equipment when possible, study ATS/ERS standards, and complete many practice questions to reinforce concepts.

What is the difference between CPFT and RPFT?

CPFT is the entry-level certification for pulmonary function technologists. RPFT (Registered Pulmonary Function Technologist) is the advanced-level credential requiring additional experience and a more difficult exam. Many technologists start with CPFT and progress to RPFT after gaining experience.