DANB Radiation Health and Safety (RHS) Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the DANB Radiation Health and Safety (RHS) Vocabulary Game
A free word game for the DANB Radiation Health and Safety (RHS) exam. Each round shows a clue for one of 20 exam terms across 8 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the DANB Radiation Health and Safety (RHS) Vocabulary Game
Dental anatomy
Image types
Receptor and beam
Radiation protection
Dose units
X-ray production
Standard precautions
Dental water quality
Sources for these terms (11)
- About Cavities (Tooth Decay) · Source checked 2026-11-03
- Glossary of Dental Terms · Source checked 2026-11-03
- TMD (Temporomandibular Disorders) · Source checked 2026-11-03
- Tooth Decay · Source checked 2026-11-03
- Dental Cone-beam Computed Tomography · Source checked 2026-11-03
- Dental Radiographic Examinations: Recommendations for Patient Selection and Limiting Radiation Exposure · Source checked 2026-11-03
- Full-Text Glossary · Source checked 2026-11-03
- Summary of Infection Prevention Practices in Dental Settings: Basic Expectations for Safe Care · Source checked 2026-11-03
- 1910.1030 - Bloodborne pathogens · Source checked 2026-11-03
- Hazard Communication - Overview · Source checked 2026-11-03
- Radiation Health and Safety (RHS) Exam Outline and References · Source checked 2026-11-03
About the DANB RHS Exam
The DANB Radiation Health and Safety (RHS) exam is a national dental-radiography component exam used in DANB certification pathways and recognized by many state dental boards.
Exam sponsor: DANB / Pearson VUE. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
75 questions
Time Limit
60 minutes
Passing Score
Scaled score of 400 (range 100-900)
Reported exam pass rate: 69%. overall (DANB 2025, 14,272 exams) This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the DANB RHS vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the DANB RHS vocabulary game work?
Each round shows a clue for one of 20 DANB RHS terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the DANB RHS terms come from?
OpenExamPrep researched each term from the DANB / Pearson VUE content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
How many questions are on the DANB RHS exam?
DANB's RHS exam outline lists 75 multiple-choice questions with a 60-minute testing window.
What domains are tested on DANB RHS?
DANB lists 3 weighted domains: Purpose and Technique (50%), Radiation Characteristics and Protection (25%), and Infection Prevention and Control (25%).