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CHT Practice Test 2026
Exam Name: Certified Hyperbaric Technologist
Credential Body: National Board of Diving and Hyperbaric Medical Technology (NBDHMT)
Proven Resource for CHT Exam Readiness
Prepare for the Certified Hyperbaric Technologist exam with CHT practice test questions, answer explanations, and a timed simulator. Original exam-style questions mapped to CHT blueprint domains, with Study Mode, Timed Exam Mode, unlimited reattempts, and performance analytics to help you identify weak areas before National Board of Diving and Hyperbaric Medical Technology (NBDHMT) test day.
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Your Clear Path to CHT Certification
Study anytime, anywhere with Certified Hyperbaric Technologist practice test questions designed to help you prepare efficiently and confidently.
Train for the Real Testing Environment
Go beyond simple CHT quizzes. Condition your mind for the exam with timed Exam Mode, or master complex concepts without pressure in Study Mode.
Master Every Question Type You'll See
Practice with complex, scenario-based items and multiple-choice question bank that mirror the exact format and cognitive level of the National Board of Diving and Hyperbaric Medical Technology (NBDHMT) exam.
Learn the "Why" Behind Every Answer
Don't just see what's correct. Our detailed Certified Hyperbaric Technologist exam questions explanations provide the rationale, helping you think like an expert.
Pinpoint Your Weak Spots with Precision
Our analytics dashboard breaks down your performance by specific Certified Hyperbaric Technologist exam topics so you can study smarter.
Build Speed and Accuracy Through Practice
Retake CHT practice exam to track your progress. Watch your scores consistently trend toward and surpass the passing benchmark.
Simulate the Entire Exam Experience
Reduce test-day anxiety by practicing with an interface and pacing that replicates the official National Board of Diving and Hyperbaric Medical Technology (NBDHMT) testing platform.
Why CHT Candidates Choose Us?
We don't just test your knowledge, we build the decision-making skills essential for the Certified Hyperbaric Technologist exam and your future practice.
- From Knowledge to Application: Our CHT practice questions mirror the complex mcqs on the 2026 exam, moving you beyond memorization.
- Learn from Every Choice: Expert explanations for both correct and incorrect answers deepen your understanding.
- Study with Precision: Your personalized dashboard identifies weaknesses, so you spend time where it matters most.
- Adapt Your Strategy: Seamlessly switch between timed simulations to build endurance and study mode to master difficult concepts.
- Trust Your Preparation: Practice with content updated for current standards and accessible on any device.
- Study Anywhere: Full mobile access for efficient, on-the-go Certified Hyperbaric Technologist preparation.
Feel the Real Exam Before You Walk In
Train with a exam simulator that mirrors the National Board of Diving and Hyperbaric Medical Technology (NBDHMT) test's timing, interface, and question styles. Build the stamina and mental pacing needed for a high stakes Medical Technology exam.
Data That Shows You're Ready to Pass
Our smart dashboard provides trend charts and Certified Hyperbaric Technologist topic level breakdowns. Watch your scores climb and see exactly when you're performing above the passing threshold.
Learn the Clinical "WHY" Not Just the "WHAT"
Every CHT exam question includes clear, teach-back explanations that detail why the correct answer is right and why the distractors are inappropriate, reinforcing best practices.
CHT Practice Exam Domain Breakdown per Official NBDHMT Guidelines
| Domain | Key Topics |
|---|---|
| 1. General Information | Physical aspects of pressurized exposure, Converting common pressure units used in diving and hyperbaric practice, Boyle’s Law, Dalton’s Law, Gay-Lussac’s Law, Henry’s Law, Heat transfer by conduction, convection and radiation, Barotrauma effects on ears, sinuses, teeth, lungs and GI tract, Signs and symptoms of decompression illness, Anatomy and physiology related to musculoskeletal, neurological, integumentary, cardiovascular and respiratory systems, Clinical support for prevention and management of pressure-related problems. |
| 2. Gas Systems | Purity and oxygen content of gases, Gas usage calculations, Gas analyzers, Oxygen cleanliness in hyperbaric delivery systems, Gas line filtration, Calibration of gas analyzers, Monitoring chamber depth, temperature and humidity, Gas stratification and prevention, Maintenance records for gas reserves and mixtures. |
| 3. Chamber Operations & Environment | Maintenance and repair of chambers and equipment, Acrylic viewports and breathing systems, Air, medical gas and fluid systems, Thread forms, differences and applications, Handling and storage of high-pressure gas cylinders, Emergency preparedness and response, Fire suppression systems, Regulatory agencies and related organizations. |
| 4. Clinical Skills | Patient assessment and documentation, Pain assessment and vital signs, Neurological status observation, Clean and sterile techniques, Waste collection and removal, Dressing changes, Assistive devices and patient preparation, Basic EKG recognition. |
| 5. Generalized Clinical Knowledge | CPR and airway management, Recognition and management of hyperthermia and hypothermia, Effects of gases and pressure on the body, Decompression principles and therapeutic procedures, Medical terminology, HIPAA and medical record-keeping, Transcutaneous oximetry (TCOM), Use of restraints while maintaining circulation, Team communication and injury prevention. |
| 6. Infection Control Measures | Universal precautions, Approved chamber and equipment disinfectants, Off-gassing risk recognition, Consistent hand hygiene, Proper use of personal protective equipment (PPE). |
How to Pass the CHT Exam While Working Full-Time?
Preparing for the Certified Hyperbaric Technologist Exam is a significant milestone for any professional in the field of undersea and hyperbaric medicine. However, balancing a demanding job with the rigorous study required for this certification can feel overwhelming. Success depends on a structured plan that maximizes limited time while maintaining high energy levels.
Establish a Consistent Study Routine
Consistency is more effective than occasional long study sessions. When working a full-time schedule, try to dedicate one hour every morning or evening to review core concepts. Breaking your preparation into manageable blocks prevents mental fatigue. Focus on specific topics such as hyperbaric chamber safety, physics, and emergency procedures during these dedicated windows.
Utilize Professional Resources
The CHT Exam requires a deep understanding of technical and clinical standards. Instead of skimming broad materials, focus on official guidelines and textbooks recognized by the National Board of Diving and Hyperbaric Medical Technology. Using high-quality practice questions allows you to identify weak areas quickly. This targeted approach ensures that every minute spent studying directly contributes to your readiness for the test day.
Apply Clinical Knowledge Daily
Since you are already working in the field, use your daily tasks as a live laboratory. When operating equipment or assisting patients, mentally recite the protocols or physical laws that apply to the situation. Connecting the theoretical requirements of the Certified Hyperbaric Technologist Exam to your real-world experience reinforces memory. This practical application makes complex data much easier to recall under pressure.
Manage Stress and Energy
Studying for the CHT Exam while managing a career is a marathon. Prioritize adequate sleep and nutrition to keep your mind sharp. If you find your concentration slipping, take a short break rather than forcing a low-quality study session. By staying organized and treating your preparation as a professional project, you can achieve your certification goals without sacrificing your performance at work. Progress comes through steady effort and a clear focus on the final objective.
PracticeTestMaster is an independent exam prep provider. CHT is the property of the National Board of Diving and Hyperbaric Medical Technology (NBDHMT). Our product is not affiliated with or endorsed by them.
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Join the community of CHT candidates who walked into test day fully prepared. Thanks to our practice exams.
Rachel, CHT
Hyperbaric physics, chamber operations, and patient assessment all in one exam—it's a lot. Practice Test Master's CHT practice tests were surprisingly accurate. I remember seeing questions on barotrauma, fire safety protocols, and oxygen toxicity that felt almost identical to the real thing. Passed easily and now recommend this site to everyone in my hyperbaric rotation.
Robert, Hand therapist
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