Part of the dental assistant practice pass

DANB RHS practice exam

75 questions · 60 minutes · Scored by outline domain

The real Radiation Health and Safety exam has 75 multiple-choice questions in 60 minutes. You get the same count and time, with questions spread across the outline’s domains by DANB’s percentages (Purpose and Technique 50%, Radiation Characteristics and Protection 25%, Infection Prevention and Control 25%).

Start a free 10-question drill first

Line drawing of a test center computer whose screen shows a question above four answer circles, with a keyboard, a stopwatch and a digital x-ray sensor

Before you start

Every question is single-answer multiple choice with four options and an explanation. DANB questions have three or four options and one best answer.
You can skip, go back, change answers and flag questions until you submit. The real exam is computer adaptive and does not let you return to a question, so answer each one as if you cannot come back. The clock keeps running in background tabs and reloads; when time runs out, your answers are submitted.

Original practice questions written from DANB’s public exam outlines. Independent preparation, not affiliated with or endorsed by the Dental Assisting National Board (DANB).