1. Purpose and Technique
50% of the examIdentify weak areas and improve with focused review.
Start PracticingPass your RHS certification
Free RHS Practice Test
Pass the DANB Radiation Health and Safety exam with confidence.
Start with a free RHS practice test and build exam-ready confidence for the DANB Radiation Health and Safety exam.
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1000+RHS Questions
3Exam Domains
10Free Questions
2026Updated
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What you get
Everything your RHS certification prep needs
Practice expert-vetted questions, find your weak domains, and turn every mistake into a focused review plan.
Expert-vetted questions
Every question is reviewed by an experienced RHS professional for clarity, accuracy and practical exam relevance.
See what to study next
Domain analytics show which parts of the exam blueprint are holding you back.
Turn mistakes into confidence
Missed questions become a review list, so nervous guessing turns into focused repetition.
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Your exam readiness
Track your readiness, domain strengths, and recent results at a glance.
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Study by domain
Practice the RHS exam by domain
2. Radiation Characteristics and Protection
25% of the examIdentify weak areas and improve with focused review.
Start Practicing3. Infection Prevention and Control
25% of the examIdentify weak areas and improve with focused review.
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Frequently asked questions
Straight answers about the RHS exam, the questions, pricing, the free trial, and how this fits your prep.
The RHS exam spans 3 domains - Purpose and Technique (50%), Radiation Characteristics and Protection (25%), and Infection Prevention and Control (25%). Every practice question maps to one of them, so you train on exactly what's tested.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the RHS exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. RHS Exam Prep is an independent study resource for DANB Radiation Health and Safety (RHS). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 3 RHS domains - Purpose and Technique (50%), Radiation Characteristics and Protection (25%), and Infection Prevention and Control (25%). You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
Yes. You get 10 free sample questions with instant feedback - no credit card and no account required.
The free sample shows you the question quality. Paid plans unlock the full 1,000+ question bank, exam-style practice modes, mistake review, and - on Fast Track and Pass Confidence - progress analytics that show your readiness by domain.
No. Every plan is a single one-time payment for a fixed access window - 48 hours, 7 days, or 6 weeks. There is no auto-renewal and no recurring billing.
Match it to your exam date: Final Review (2 days) for an exam in the next day or two, Fast Track (7 days) for an exam this week, Pass Confidence (6 weeks) for a structured run-up.
For most countries, the price you see is exactly what you pay - tax is already included. Where local law requires it to be added separately, it's shown clearly at checkout before you pay, so there are never any surprise fees.
Access is instant after payment and runs for your plan's full window from that moment. When the window ends, your local progress stays on your device - you can buy another window any time and pick up where you left off.
Yes - the whole platform is mobile-first: practice, mistake review, and analytics all work on any phone, tablet, or laptop with a browser. Nothing to install.
Every answer feeds your per-domain accuracy, readiness score, and weak-area list. Instead of re-reading everything, you drill the domains that are actually costing you points - that's what moves a score in days, not months.
Chat with us any time - the 24/7 support chat in the corner of every page gives instant answers about plans, access, and billing. Prefer email? The contact link is in the footer. Payments are processed securely by Polar, and active customers can download an invoice from their profile page.
Make sure you're signed in with the same email you used at checkout - access activates within a minute of payment. If it still doesn't appear, email us from the contact link in the footer and it'll be sorted out.
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Unlock full-length timed mock exams and domain analytics to find and fix your weak spots before exam day.
1,000+ exam-style questions in every plan
Practice workspace
How do you want to practice RHS today?
Drill a single domain, run a mixed session, or sit a full timed exam simulation - pick the mode that fits your study window.
Study by domain
Focus on one RHS domain at a time - pick it here, then choose a mode.
Popular ways to practice
Quick Practice
Jump straight in with a fast mixed session - perfect for a short study break.
Start quick practice →Domain Practice
Drill the domain selected above and close the gaps where they matter most.
Practice this domain →Exam Simulation
A full-length timed exam that mirrors the real RHS test, balanced across every domain.
Start simulation → Unlock with Fast Track & Pass Confidence
More ways to practice
Flashcards
Flip, grade yourself, and repeat the tough ones until they stick.
Train with flashcards →Review Mistakes
Re-drill the questions you got wrong.
Review now →Review Weak Domains
Drill your lowest-scoring domains first.
Find weak spots →All Questions
The complete RHS question bank.
Browse all →Multiple Choice
Multiple-choice questions only.
Start →True / False
True/false questions only.
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New here? Start with Quick Practice for a warm-up, or sit the Exam Simulation for the most realistic test-day feel.
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Train your RHS recall
Flip a card, grade yourself honestly, and the deck keeps bringing back the ones you're still learning until they stick.
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Choose the right RHS prep plan
Pick based on how soon your exam is. Every plan includes exam-style questions, instant explanations, and one-time access.
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Last-minute review
Final Review
$19.95 USD
$29.95Save 33%Limited time
One-time payment
≈ $9.97 per day of access
48-hour access
A focused 48-hour cram for candidates sitting the exam in the next day or two.
- Full 1,000+ question bank
- All 3 RHS domains
- Multiple-choice & true/false practice
- 48 hours of unlimited practice
- Analytics & mistake review
Exam this week
Fast Track
$49.95 USD
One-time payment
≈ $7.14 per day of access
7-day access
A focused one-week study push with full progress analytics.
- Ensure success with analytics & mistake review
- Everything in Final Review
- Full-length timed exam simulation
- Progress & accuracy tracking
- Domain weakness analysis
- Quiz history & trends
Recommended
Pass Confidence
$129.95 USD
One-time payment
Just $3.09/day · best long-term value
★ 2.6× more likely to pass first time
6-week access
For candidates with 2-6 weeks before exam day - the complete, confident way to prepare.
- Ensure success with analytics & mistake review
- Everything in Fast Track
- 6 full weeks of access
- Exam-readiness scoring
- Priority Support
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Your exam date helps pace your prep. It is saved to your account and visible only to you.
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Move to the next question about a second after a correct answer.
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A subtle buzz on answers, on phones that support it.
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Track your mastery across all RHS domains
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Domain mastery, weak-area drilling, and quiz-history trends - included with Fast Track & Pass Confidence.
Trusted by RHS candidates
Real feedback from RHS candidates on Reddit.
"passed last week. wasnt confident at all going in but the practice questions on rhsexam.com were pretty much the same format as the real thing. infection control stuff especially. just kept doing them until i stopped missing the same ones."
"tbh i put this off for way longer than i should have and ended up cramming the last few days. the thing that actually helped was being able to see which questions i kept getting wrong and drilling those specifically. radiation protection concepts clicked for me that way."
"this site is fine. did the mock exams, felt ok on test day. purpose and technique section was where i needed the most work and it helped with that."