Read about what mary does at the hospital to protect herself and patients from infectious diseases.
mary anticipates coming into contact with the blood and body fluids of a patient. to protect herself and others from potential infectious diseases, she must wear
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She must wear a mask and gloves.

Explanation:

As Mary anticipates to come in contact with blood and body fluid of other patients, so to avoid infectious diseases to spread from one to other, she must wear gloves and a mask too. Mask will help her breathe germ free, germs, tiny droplets of cough, sneezing present in the air that may contain germs of contagious diseases, will not be inhaled if mask is worn.

Gloves will also protect form potential infectious diseases, if she comes in contact with blood or other body fluid. But care should be taken before wearing gloves and after taking them off, proper hygiene should be done so that infection may not spread.

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