DANB-Radiation Safety-Operator Exam Latest Update Questions and 100% Verified Correct Answers Guaranteed A+

DANB-Radiation Safety-Operator Exam Latest
Update 2025-2026 50 Questions and 100%
Verified Correct Answers Guaranteed A+

0.5 rems/year - CORRECT ANSWER: What is the maximum permissible dose of
radiation allowed for pregnant dental personnel per year?


A. 5 rems/year

B. 2.5 rems/year

C. 50 rems/year

D. 0.5 rems/year



10 rem - CORRECT ANSWER: Based on the formula provided by the National Council
on Radiation Protection and Measurements, what is the maximum accumulated dose
for a 20-year-old dental assistant?



A. 10 rem

B. 20 rem

C. 35 rem
D. 15 rem



3 rems - CORRECT ANSWER: According to the OSHA Ionizing Radiation Standard, the
maximum whole body dose per calendar quarter (3 months) is



A. 18 rems.

B. 7 rems.

C. 3 rems
D. 20 rems

, 5.0 rems/year - CORRECT ANSWER: Which of the following is the maximum
permissible dose of radiation allowed annually for occupationally exposed people?



A. 0 rems/year

B. 5.0 rems/year

C. 50 rems/year
D. 0.5 rems/year



6 feet from the X-ray unit.



(To avoid scatter or leakage radiation, the operator must be at least 6 feet away from
the X-ray source. ) - CORRECT ANSWER: Unless the dental assistant is behind a
barrier, the assistant must never stand closer than



A. 5 feet from the X-ray unit.

B. 6 feet from the X-ray unit.

C. 4 feet from the X-ray unit.

D. 7 feet from the X-ray unit.


7 feet.



(a primary barrier must be a minimum of 7 feet in height) - CORRECT ANSWER: The
height of a primary protective barrier must be at least



A. 8 feet.

B. 6 feet.
C. 10 feet.