Question

Question
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?(1 point)
Responses

to reconstruct a tooth
to reconstruct a tooth

to remedy errors in vision
to remedy errors in vision

to sanitize surgical rooms
to sanitize surgical rooms

to target and destroy cancer cells

Answer 1

to sanitize surgical rooms

Ultraviolet (especially UV-C) at germicidal frequencies can inactivate bacteria on surfaces and in air without penetrating deeply into human tissue, so it's used for sterilizing rooms and equipment.