Some frequencies of ultraviolet light have enough energy to kill bacteria, but do not have enough energy to go through or damage human tissue. Which one of the medical applications below would this type of electromagnetic radiation be most useful?

Question

options:

to reconstruct a tooth
to reconstruct a tooth

to target and destroy cancer cells
to target and destroy cancer cells

to remedy errors in vision
to remedy errors in vision

to sanitize surgical rooms

Answer 1

The type of ultraviolet (UV) light that has enough energy to kill bacteria but does not penetrate human tissue would be most useful for:

to sanitize surgical rooms.

UV light is commonly used for disinfecting purposes because it can effectively kill or inactivate microorganisms on surfaces without harming human tissue when used in appropriate doses.