DANB Radiation Health and Safety (RHS) Examination
Radiographic technique, radiation characteristics and infection prevention — practice for the DANB RHS exam, with 1,000 flashcards, 350 quiz questions and a 75-question mock exam.
One-time purchase · lifetime access · study on any device
Everything included — in full detail
This is exactly what you unlock. No vague promises — real numbers, straight from the portal.
Your full practice pool — 350 questions total, written to mirror the real exam blueprint, with full answer explanations for every question.
Including Purpose and Technique, Radiation Characteristics and Protection, Infection Prevention and Control.
A complete, realistic exam-day simulation with the same question count and time limit as the real thing.
Covering every key term, concept, and framework you're expected to know.
Hand-picked walkthroughs and explainers organized by topic.
Visual breakdowns of the frameworks and models the exam tests you on.
The exact formulas and calculations you need, ready to review before test day.
A searchable glossary so unfamiliar terminology never slows you down.
See your accuracy by domain, spot weak areas early, and follow a built-in study schedule.
Study anywhere — your progress syncs on the device you are using and picks up where you left off.
No subscriptions, no renewals — buy once and keep studying until you pass.
See the DANB Radiation Health and Safety Exam (RHS) portal
Real screenshots — this is exactly what you'll be studying in. Click to zoom in.
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Full study portal: question bank, quiz & exam modes, flashcards, glossary, progress tracking. One-time purchase, lifetime access.
A mock exam written specifically for your order — not from the standard bank. Does not include portal access on its own. Order as many as you like; every order is a new batch, different from the one you previously purchased.
Adjust quantity in your cart — always unique
A tougher, "exam-hard" mock exam written specifically for your order, pushed past standard difficulty. Does not include portal access on its own. Order as many as you like; every order is a new batch, different from the one you previously purchased.
Adjust quantity in your cart — always unique
Portal Access plus one bonus Higher-Difficulty mock exam — the best-value way to start. (Extra Mock Exams can be added separately anytime, as many as you like.)
A custom set of flashcards written specifically for your order — pick how many you want. Delivered as its own unique link & code, separate from portal access.
Price updates automatically — nothing to calculate yourself.
Adjust quantity in your cart — always unique
Topics you'll drill
3 core topics pulled straight from the real question bank.
- Purpose and Technique
- Radiation Characteristics and Protection
- Infection Prevention and Control
DANB Radiation Health and Safety Exam (RHS) exam requirements & cost
Straight from the certifying body — separate from what we charge for the study portal.
The DANB Radiation Health and Safety (RHS) exam is a component exam of several DANB certifications and is recognized or required in many states for dental assistants who take radiographs. It is issued by the Dental Assisting National Board, Inc. (DANB). The exam has 75 questions and you are given 60 minutes, within a 60-day testing window. DANB's Board sets the pass point using standard psychometric procedures for criterion-referenced exams, and a candidate must perform at or above that standard; DANB's candidate handbook does not publish a raw-score cutoff. DANB lists a US$270 fee for the RHS exam, which includes a US$75 non-refundable application fee (reported in search extracts of danb.org; the DANB exam page itself does not show the fee). The content outline spreads questions across 3 areas; the largest are Purpose and Technique (50.0%); Radiation Characteristics and Protection (25.0%); Infection Prevention and Control (25.0%). DANB lists no eligibility requirements for the RHS exam on its exam page; individual states may set their own requirements for taking dental radiographs, so check your state board at danb.org/state-requirements before you apply. This portal prepares you for the exam; it does not replace any state-required education or the DANB application.
DANB Radiation Health and Safety Exam (RHS) exam blueprint
Real domain weighting from the certifying body's own published exam syllabus.
- Purpose and Technique50%
- Radiation Characteristics and Protection25%
- Infection Prevention and Control25%
Real pass rate, retake policy, scoring, and a study timeline for DANB Radiation Health and Safety Exam (RHS) — free, no purchase required.
Common questions
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