top of page

Radiation Safety Officer Quiz

Image by C-Technical on Pexels.

Did you know? In North Carolina, radiation safety officers (RSOs,) or one who has the knowledge and responsibility to apply appropriate radiation protection rules, are required to complete radiation safety training prior to being permitted to act as a radiation safety officer. Think you have what it takes to become an RSO? Try some of the following exam questions from our one-day, eight-hour x-ray specific training!

What type of radiation presents the greatest external hazard?

  1. Alpha

  2. Beta

  3. Gamma

  4. Positron

A radiation area is an area where the dose may exceed ____ mrem in any hour or there is a possibility of a dose of ____ mrem in any consecutive ____ days.

  1. 5, 100, 5

  2. 10, 100, 5

  3. 5, 50, 5

  4. 5, 100, 10

What is the most common ionizing radiation hazard associated with antistatic devices?

  1. Alpha

  2. Beta

  3. Gamma

  4. X-rays

If a source of radiation had 1000 units of gamma radiation at 1 foot, what would the radiation level be at 10 feet?

  1. 10 units

  2. b. 100 units

  3. c. 1000 units

  4. d. 1 unit

Which ray is easily stopped with P.P.E.?

  1. Alpha

  2. Beta

  3. Gamma

Section 20.1208 of 10 CFR Part 20 (“Standards for Protection Against Radiation”) requires that each licensee ensure that the radiation dose to an embryo/fetus during the entire pregnancy, for occupational exposures to a declared pregnant woman, does not exceed ____ rem.

  1. 0.1

  2. 0.5

  3. 1

  4. 1.5

Which acronym represents the philosophy of keeping all radiation exposures and releases of radioactive material to the environment at the lowest possible levels?

  1. AMARA

  2. ALARM

  3. ALARA

  4. AMALA

Professional staff and ancillary personnel shall be protected from direct scatter radiation by protective aprons or whole-body protective barriers of at least _____ mm lead equivalent.

  1. 0.5

  2. 1.0

  3. 1.5

  4. 0.25

Personnel not protected by shielding aprons shall avoid exposure to the primary beam, and should remain at least ____ feet away from the x-ray tube in order to minimize exposure to scattered radiation.

  1. 3

  2. 6

  3. 20

  4. 30

A person is standing in close proximity to a radioactive source. If they double their distance from this radioactive source, by what factor have they changed their level of exposure according to the inverse square law?

  1. 2

  2. 1/4

  3. 8

  4. 16

If you had trouble with the quiz questions, or just want a refresher course, get in touch by emailing us at or giving us a call at 919-621-5899 to learn more about our course offerings!

192 views0 comments

Recent Posts

See All

Summer Pool Season

The grim news Sunday April 30 announcing the death of the 2 year old daughter of Tampa Bay Buccaneers linebacker Shaquil Barrett comes as many pools in North Carolina are opening for the summer season


bottom of page