Prehospital emergency care 10th edition chapter 33

Prehospital emergency care 10th edition chapter 33 as an EMT you must remain aware that injuries to the eyes, face, or neck have a high probability of: - correct answer--causing airway compromise, severe bleeding, and shock additionally injury to the face and neck is likely to be associated with spinal injury always maintain a high index of suspicion for spinal injury and give first priority to care for life-threatening compromise of the airway and circulation the eye: - correct answer--the eyeball is 1 inch in diameter it is covered with a tough outer coat called sclera: the exposed portion of the sclera is the white of the eye the clear front portion of the eye the cornea covers pupil: and the iris: the colored portion cornea: - correct answer--clear front portion of the eye is the window through which light enters the eye it is extremely sensitive and susceptible to injury a superficial scratch or the smallest foreign object can cause extreme pain with redness and a flow of tears the pupil: - correct answer--is the opening that expands and contracts to allow more or less light into the eye through the lens just behind the pupil the lens: - correct answer--focuses light on the retina or the back of eye the conjunctiva: - correct answer--the inner surface if the eyelids and the exposed portion of the sclera are line with a paper-thin covering does not cover the cornea the interior of the eye contains: - correct answer--the anterior chamber (front), which is anterior to the iris and is filled with watery fluid called the aqueous humor behind the lens is the large vitreous body which is filled with a clear jelly called the vitreous humor the orbits: - correct answer--the bony structures that surround the eyes all of the structures in the eyes: - correct answer--the muscles that hold the eyes in position and the orbits of the eyes are suceptible to trauma ranging from minor abrasion and irritation to impaled objects that invade the interior of eye to extrusions in which the eye is pulled out of its socket the face: - correct answer--14 bones comprise the face only movable bone is the mandible the face is extremely vascular facial injuries even minor ones may bleed profusely blood and pieces of broken bone, teeth, and other tissues may cause airway compromise when the face is injured facial bones provide minimal protection for the airway and allow points of attachment for muscles and control facial expression and the manipulation of food compromise of the facial structures can cause: - correct answer--a closed or an open brain injury with possible leakage of cerebrospinal fluid from the nose or ears a mechanism of injury that causes trauma to the face may cause injury to the spine or spinal cord