Architectural detail

Man under exit sign wearing pollution mask, eyes closed

Woman using cell phone in hospital waiting room, doctor and patient in background

Businessman using advanced touch screen technology

Different types of objects

Exit sign, close-up

Illustration of boy holding sign saying, "Don't take drugs. "

swing door in emergency room

Illustration of children dressed as policeman and fireman on 911 sign.

Side profile of an ambulance beside a hospital corridor

A man pointing to an exit door

There is less danger of falling a greater distance if walking down backwards.

Anterolateral view of head and neck of adult male with multiple injuries to the head each of which are indicative of a skull fracture: Coon's eyes, Battle sign.

Three people on different forks in the road

A surgeon and medical assistant in a hospital corridor

Anterolateral view of head and neck of adult male with multiple injuries to the head each of which are indicative of a skull fracture: deformity of skull, laceration to head, Coon's eyes, fluid draining from nose or ears, Battle sign.

Emergency exit sign in corridor