Special Senses (W3) Flashcards
CN 3 (oculomotor) has what function
Innervates the muscles that move the eye
CN 4 (trochlear) & CN 6 (abducens) have what function
Control eye movement
What is the definition of hyphema
Blood in the anterior chamber of the globe
If a pt has either iritis or uveitis, what might you find
Pupils unreactive to light
If a stroke causes the embolism to occlude the retinal artery, what may occur
Vision loss in a small field
If a pt is suffering from central retinal artery occlusion, what would occur
Sudden, painless loss of monoocular vision
What happens during a retinal detachment
The separation of inner layers of the retina from the underlying retinal pigment epithelium
What are the S/S of a retinal detachment
Sensation of a flashing light, shadow in peripheral vision, shower of floaters, one large floater
What is swimmers ear
The infection of the external ear canal
What pts with swimmers ear are we particularly concerned about
Diabetics & immunocompromised
What is otitis media, and what is it caused by
It is a middle ear infection, and it is caused by bacteria or viral URI
What are some S/S of otitis media
Pus and fluid accumulating in the middle ear, the tympanic membrane may be inflamed/protruding, fever, earache
A pt has a build up of ear wax [or other FB in their ear], SO MUCH pain, is finding it hard to hear, and has been draining pus and a bit of blood from their ear. What is the #1 differential diagnosis
Ruptured ear drum
What is vertigo
The illusion of movement [you or the environment]
Vertigo is a ___ not a ___
Symptom // condition
