69. Why do doctors wear gowns and masks
during operations?
The doctors and nurses wear special gowns and masks in an
operation theater.
These help to prevent bacteria and other germs travelling from the
body or clothes of the hospital staff into the patient's wound during
the operation. These clothes are sterilized so that they are free of
bacteria. Even the operation theater is sterilized and the air is
cleaned to remove bacteria.
Vì sao bác sĩ mang áo choàng và khẩu
trang khi phẫu thuật?
Các bác sĩ và y tá mang những áo choàng và khẩu trang
đặc biệt trong phòng mổ.