Answer :
The senior nurse should have immediate intervention of mask is placed over nose and extends to bottom lip.
The mask should be snugly fitted, covering the nose and mouth. The mask should extend below the chin. If the mask is only stretched to the lower lip, it may not adequately conceal the mouth. Hair, scrub top, drawstring, and shoe covering are all proper and do not need to be changed.
Cover your mouth and nose. Some masks contain a see-through plastic layer that conceals your eyes as well (shield). A respirator (special respiratory mask) forms a tight barrier over your nose and mouth. It can help to reduce the inhalation of tiny organisms like tuberculosis bacteria.
A face mask is a product that covers the wearer's nose and mouth. Face masks are not personal protective equipment and are intended for use by the general public and health care providers (HCP) as source control in compliance with CDC regulations.
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