Blog

According to NCRP Report No.184 published in 2019, which imaging modality is the highest source of medical radiation? 

If the HVL was determined to be 0.25 mm Pb, how thick should the shielding material be to reduce the exposure to ¼?

According to guidelines for occupational exposures, the annual dose equivalent limit for specific tissues and organs such as red bone marrow, gonads, and skin and excluding the lens of the eye should not exceed:

In the U.S., most of the students with disabilities spend most of the school day in what environment?

What is the annual whole body DEL for the general public?

Every doubling of your distance from the x-ray source reduces your exposure to ___________.

The total yearly exposure from natural sources of radiation is approximately:

My child has difficulty communicating and pronouncing certain sounds. Who should I talk to?

1 Point Extra Credit: Prior to the adoption of radiation protection measures such as lead shielding and occupational exposure limits, the relative risk for the development of cancer among radiologists was 1.37. What does this indicate?

When you must be in the room during a fluoroscopic case, the best thing for you to do is: (Select all that apply)