Question: which metal is used to shield x-ray operators from radiation ?why is it used ?

Jacquie Oliwa answered on 6 Jul 2017:

Hi there,
The metal used is lead. Lead shielding helps protect from radiation because of its high molecular density. It is effective at stopping gamma rays and x-rays.
Because health care workers are at risk of exposure to ionising radiation from X-rays the below are general guidelines to protect them:
i) Personal radiation exposure can be measured using a film badge, which is
worn by the employee over a fixed time interval. The badge contains a
photographic film which, after the time interval, is developed and an
estimate of radiation exposure is made.
ii) Physical avoidance – in rooms where X-rays and CT scans are being carried out, access will often be limited to essential staff and staff will position themselves to minimise exposure. Increasing the distance between the primary beam and the operator is an effective way of reducing exposure.
iii) Limiting the time staff spent in an environment where radiation is being
used. Some procedures will take longer than others and this should be noted.
iv) Protective equipment includes lead aprons, gloves, collars to cover the
thyroid gland and glasses. Sometimes a lead screen is also used to protect
the brain.
v) Well-maintained equipment that is used in accordance with instructions will also help to lessen the exposure of staff.

I hope that answers your question?
Best wishes,
Jacquie