Certified Hyperbaric Technologist (CHT) Examination
The CHT exam, administered by the National Board of Diving and Hyperbaric Medical Technology (NBDHMT), tests competency in hyperbaric oxygen therapy including physiology, gas systems, chamber operations, clinical skills, and infection control. Candidates must demonstrate the knowledge required to safely operate hyperbaric chambers and care for patients undergoing hyperbaric oxygen therapy.
30
Questions
35 min
Time Limit
70%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds