Free DANB RHS Exam Prep
Radiation Health and Safety (RHS) Examination
Pass your DANB RHS exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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DANB DANB Certifications License: Complete Roadmap
Follow this path to maximize your chances of passing on the first try
Phase 1You are here
Master high-weight purpose/technique concepts and common errors.
Phase 2
Drill radiation-safety standards and exposure controls.
Phase 3
Complete infection-control review and mixed-domain practice.
Phase 4
Run timed 60-minute sets and finalize pacing.
Can You Take the DANB RHS Exam?
Check if you meet the basic eligibility requirements
- •60-day testing window after DANB application approval
- •Exam may be taken in-person or by remote online proctoring
- •RHS is a component exam that can be combined with other DANB exams
DANB RHS Quick Facts
Time to Get Licensed
4-8 weeks for most candidates
From start to license in hand
Retake Policy
Candidates who do not pass reapply with a new application and fee; DANB also offers a one-time RHS retake discount for eligible candidates.
Total Cost Breakdown
Free DANB RHS Prep That Actually Works
The official pass rate is RHS pass rate was 66% in FY2024 (9,059 passed of 13,726 delivered) per DANB exam performance report.. Our students do better.
180 Practice Questions
RHS-focused prep questions covering all three weighted exam domains.
AI-Powered Learning
Detailed rationale support for radiography technique and safety decisions.
2026 Updated
Aligned with current DANB RHS outline, timing, and scoring standards.
Free Access
Start RHS prep free before paying DANB exam fees.
What You'll Study
10 chapters covering everything you need to pass
About the DANB RHS Exam
3 sections
Image Types & Diagnostic Purpose
4 sections
Anatomical Landmarks & Conditions on Images
4 sections
Procedures & Techniques to Acquire Images
5 sections
Technique Modifications & Error Correction
4 sections
Mounting, Viewing & Legal Requirements
3 sections
Radiation Physics Basics
3 sections
Radiation Biology & Measurement Units
3 sections
Radiation Protection for Patient & Operator
4 sections
Infection Prevention & Control for Radiography
3 sections
DANB RHS Exam Details
Radiation Health and Safety (RHS) Examination
Administered by Dental Assisting National Board (DANB)
Exam Content Breakdown
Based on the official Dental Assisting National Board (DANB) content outline
Core radiographic purpose, positioning, and image-production technique.
Radiation principles, exposure control, and protection protocols.
Infection prevention practices related to radiographic procedures.
What's Included
10 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
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What's Next After the DANB RHS?
After passing the DANB RHS, you can pursue these career paths
DANB CDA
Use RHS as one of three required CDA components.
DANB NELDA
Use RHS as a component toward entry-level DANB certification.
State Expanded Functions
Support state-level radiography duty authorizations with validated exam results.
DANB RHS Exam FAQ
Official Dental Assisting National Board (DANB) Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free DANB RHS Prep?
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