Question

Why do X-Ray technicians stand behind a shield when giving X-Rays to patients?

a.because large doses of X-Rays cause blindness
b.because they can more accurately see the patient's bones
c.because they need to protect themselves from patient disease
d.because large doses of X-Rays are known to cause cell damage and cancers

Answer 1

The answer is D.
When one is exposed to large doses of X-Rays, this can cause cell damages or even cancer.