DANB Radiation Health and Safety (RHS) Examination
The DANB RHS certification validates dental professionals' knowledge in radiographic technique, radiation protection, and infection control for dental X-ray procedures. Administered by the Dental Assisting National Board, it is required for dental radiography licensure in many U.S. states.
75
Questions
60 min
Time Limit
75%
To Pass
Checking for saved progress...
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