200+ Free DANB RHS Practice Questions
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Key Facts: DANB RHS Exam
75
Total Questions
DANB RHS outline
60 min
Exam Time
DANB RHS outline
50/25/25
Domain Weights
DANB RHS outline (2025)
Digital only
Imaging Scope
DANB RHS outline
$270 / $265
Exam Fee
DANB RHS 2026 application packet
381,900
Dental Assistant Jobs (2024)
BLS OOH
DANB's RHS outline (effective March 2025) lists 75 questions in 60 minutes: Purpose and Technique (50%), Radiation Characteristics/Protection (25%), and Infection Prevention/Control (25%). RHS is digital-radiography only since July 2022. Exam fee is $270 ($265 active military).
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.
Questions
75 scored questions
Time Limit
60 minutes
Passing Score
Pass/Fail (DANB criterion standard)
Exam Fee
$270 traditional / $265 active military (DANB / Pearson VUE)
DANB RHS Exam Content Outline
Purpose and Technique
Image purpose and selection, positioning, receptor/beam alignment, digital quality standards, and error correction
Radiation Characteristics and Protection
X-ray production factors, biology/measurement units, ALARA, shielding/collimation, and exposure reduction
Infection Prevention and Control
CDC/OSHA-aligned standard precautions, PPE workflow, barrier use, and radiography operatory disinfection
How to Pass the DANB RHS Exam
What You Need to Know
- Passing score: Pass/Fail (DANB criterion standard)
- Exam length: 75 questions
- Time limit: 60 minutes
- Exam fee: $270 traditional / $265 active military
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
DANB RHS Study Tips from Top Performers
Frequently Asked Questions
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%).
Is DANB RHS still testing film radiography?
No. DANB states RHS has tested digital radiography only since July 7, 2022; film-based concepts are no longer tested.
Can I take DANB RHS online?
Yes. DANB indicates RHS can be taken in person through Pearson VUE and is also available through remote online proctoring.
How much is the DANB RHS exam fee in 2026?
The 2026 RHS application packet lists $270 for traditional applicants and $265 for active military personnel.
Do I need prerequisites to sit for RHS?
DANB's RHS exam outline states there are no eligibility requirements to take the RHS exam.