CHT Study Guide 2026

Everything you need to pass the CHT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 CHT Exam Format at a Glance

100
Questions
120 min
Time Limit
70%
Passing Score

📚 CHT Topics to Study (21)

✍️ Sample CHT Questions & Answers

1. The 'oxygen window' in hyperbaric therapy refers to:
The partial pressure gradient that facilitates inert gas (nitrogen) elimination from tissues

The oxygen window is the pressure differential created when tissues consume oxygen, replacing it with a gas-free space that accelerates nitrogen elimination without bubble formation.

2. In the mnemonic VENTID-C used to identify early CNS oxygen toxicity symptoms, the 'V' stands for:
Vision changes such as tunnel vision

In VENTID-C, V stands for Visual disturbances (tunnel vision), which is an early warning sign of CNS oxygen toxicity preceding convulsions.

3. Active seizure disorder is classified as which type of contraindication to HBO therapy?
Relative contraindication that may be managed with precautions and monitoring

Active seizure disorder is a relative contraindication; HBO can proceed with physician evaluation, optimized seizure management, and heightened monitoring for oxygen toxicity warning signs.

4. How should emerging trends in hyperbaric chamber emergency procedures be incorporated into practice?
Through evidence-based evaluation and systematic integration into existing protocols

Evidence-based evaluation ensures new trends are valid and beneficial before integration, maintaining quality while embracing beneficial advances.

5. Which factor is most important when determining treatment frequency?
Evidence-based clinical guidelines and patient response

Treatment frequency should be based on evidence-based clinical guidelines and individual patient response to ensure optimal outcomes.

6. When faced with a conflict of interest, what is the appropriate course of action?
Disclose the conflict and recuse yourself from the situation

Disclosing conflicts of interest and recusing oneself ensures objective decision-making and maintains professional integrity.

🎯 Free CHT Practice Tests

📖 CHT Guides & Articles

Your CHT Study Path
1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation