DANB Radiation Health and Safety (RHS) Exam

The DANB Radiation Health and Safety (RHS) exam certifies dental assistants and other dental team members in radiographic techniques, radiation protection principles, and infection control procedures for dental radiography.

75
Questions
60 min
Time Limit
70%
To Pass
Checking for saved progress...

Exam Rules

  • You can skip questions and return to them later
  • Flag questions for review before submitting
  • No feedback shown until you submit the entire exam
  • Unanswered questions count as wrong — answer everything
  • 10 pretest questions are mixed in and don't affect your score
  • Timer auto-submits when time runs out
  • Your progress is auto-saved every 30 seconds

These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. danbsfprodassets.azureedge.net — Retake policy, fees, registration deadline, test dates, test delivery, eligibility, exam format, passing score, score release, time limit · verified Nov 2026