Question

If the peak energy of the diagnostic x-ray beam is 130 kVp, the primary protective barrier in a typical installation should consist of at least (A) and extend (B) upward from the floor of the x-ray room, when the tube is 1.5 to 2.1 m from the wall in question?

1) 2.1 m
2) 2.1 m
3) 1.5 m
4) 1.5 m

Answer 1

A primary protective barrier for a 130 kVp diagnostic x-ray beam should be made of lead and extend 1.5 meters up from the floor to sufficiently protect against radiation exposure.

Step-by-step explanation:

If the peak energy of the diagnostic x-ray beam is 130 kVp, the primary protective barrier in a typical installation should consist of materials such as lead and extend 1.5 meters upward from the floor of the x-ray room, when the tube is 1.5 to 2.1 m from the wall in question. Shielding is critical in x-ray rooms to absorb radiation and protect both patients and healthcare staff from unnecessary exposure.

In medical settings, lead is a commonly used material for shielding due to its high density, which is effective at stopping x-ray photons. The distance from the x-ray source affects how much the radiation spreads out, and it is beneficial to maximize this distance when possible to reduce exposure. Moreover, reducing the time of exposure is another way to minimize the radiation dose received by individuals. Advances in technology, such as faster films, have aided in decreasing the required exposure time for medical diagnostics, which in turn lowers the dose of radiation absorbed.