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Ch.13 sensory
visual/auditory disorder
| Question | Answer |
|---|---|
| List the procedure for the Snellen's test | pt stands 20ft from chart; covers one eye; pt is asked to read above or below the 20/20 line |
| Presbyopia | inability to focus on close objects |
| Mydriatic | causing pupillary dilation |
| proprioceptors | include any sensory nerve ending- such as those located in muscle, tendons, et joints- that responds to stimuli originating from within the body regarding movement et spatial position |
| where is the bony labyrinth & the cochlea located | in the inner ear |
| list the structures associated/responsible for maintaining balance & equilibrium | semicircular canal, vestibule, et cochlea |
| define cochlea | resembles a snails shell et contains the organ or corti, the organ of hearing |
| where is cerumen produced | cerumunous glands |
| define eustachian tube & its function | auditory canal, is lined with a mucous membrane that joins to the nasopharynx & the middle ear cavity. this tube equalizes the air pressure on either side of the tympanic membrane |
| list the 3 ossicles that carry sound waves from the external ear to the middle ear | Malleus, Incus, et Stapes |
| where is the most common location for ear infections | middle ear |
| accommodation | the eye is able to focus on objects at various distances |
| Vitreous humor | a transparent, jellylike substance that gives shape to the eyeball |
| rods | are receptors for night vision et are responsible for peripheral vision |
| what area or the retina provides the sharpest visual acuity | fovea centralis |
| what are the most common forms of color blindness a result of | absence of rods & cones or INHERITED |
| which vitamin is responsible for good night vision | vitamin A |
| ciliary body | which is an intrinsic muscular ring that holds the lens in place et changes its shape for near or distant vision |
| lacrimal apparatus | manufacture et drain tears to keep the eyeball moist et sweep away debris that might enter the eye |
| conjunctivia | is a thin mucous membrane that lines the inner aspect of the eyelids et the anterior surface of the eyeball to the edge of the cornea |
| define cornea & list its function | is transparent et covers the iris, which is the colored portion of the eye. the cornea allows light rays to enter the inner portion of the eye |
| define legal blindness & elaborate on the "categories" | refers to individuals with a maximum visual acuity of 20/200 with corrective eye-wear or visual field sight capacity reduced to 20 degrees. low vision loss 20/70-20/200 to 3 categories of blindness 20/400,20/1200, no light perception |
| as a nurse what would you do for a blind person as far as entering/leaving his/her room | announce when you enter or leave the room each time |
| describe the correct procedure for a walking companion of the blind client | should proceed the pt by about 1ft et the pts hand should be on the companions elbow to provide security |
| list the clinical manifestation of astigmatism | blurring of vision |
| myopia | condition of nearsightedness |
| list the primary objective of nursing care for the pt with an infection of the eyelid | prevention of the spread of infection; hand washing is essential |
| define conjunctivitis & list what it is commonly referred to | pink eye it is an inflammation of the conjunctiva caused by bacterial or viral infection, allergy, or environmental factors |
| list the eye disorder that Sjogren syndrome is associated with | Kerato-conjunctivitis |
| Cataract | is a crystalline opacity or clouding of the lens |
| cataract symptoms include | blurred vision, diplopia, photo sensitivity, glare, abnormal color perception, et difficulty driving at night |
| list the first symptom to be expressed of the pt with a cataract | blurred vision |
| lens replacement for the post-op cataract client would most likely be what type of lens | intraocular lens in the posterior chamber behind the iris |
| after cataract surgery, being at the waist is acceptable if | done slowly |
| diabetic retinopathy | is a disorder of the retinal blood vessels characterized by capillary microaneurisms, hemorrhage, exudates, et the formation of new vessels et connective tissues |
| with diabetic retinopathy, what is a clinical manifestation in the early stage | microaneurysms, et blood vessels in the retina begin to widen |
| with a post-op cataract client, what is a routine nursing intervention that is contraindicated | avoidance of sudden movements |
| medical management of diabetic retinopathy includes: | photocoagulation |
| this procedure(photocoagulation) is accomplished by the use of | a laser beam/carterizes the blood vessels |
| rapid onset of decreased vision, halos around lights, et sever eye pain are indications of | Glaucoma |
| describe he function of miotics | agents that cause the pupil to contract . constrict the pupil et draw the iris away from the cornea, allowing the aqueous humor to drain out |
| list the goal od Tx in glaucoma | to decrease the production of the aqueous humor, the result is a lowering of intraocular pressure |
| list the initial Tx for a chemical burn of the eyes | flush eyes immediately for 15-20min or longer with cool water when any irritating substances are introduced |
| list the appropriate action to be performed immediately after a penetrating wound injury to the eye | both eyes should be covered while the pt is taken to the hospital; both eyes work in synchrony; shield reduces further injury but must not touch the foreign object a styrofoam cup provides adequate coverage et is readily available. |
| list the appropriate action to be performed immediately after a penetrating wound injury to the eye | the foreign object should not be removed except by a trained physician. |
| list the action to be performed if dust blows in the eye | pull upper lid over the lower lid et let the tears wash the speck to the inner canthus or lower lid, where it may be safely removed. irrigate eye with cool water if necessary |
| what is the purpose of photocoagulation | used for diabetic retinopathy to cauterize hemorrhaging blood vessels |
| list the 5th-7th objectives for communicating with the hearing impaired | -face the person when speaking; -speak clearly, but do not over accentuate words; -speak in a normal tone, do not shout or raise the pitch of voice |
| what action does a hearing aid have on sound | amplifying sound |
| list the clinical manifestations of inflammation/infection of the external ear canal | produces pain with movement of the auricle or chewing, et often the entire side of the head aches |
| when does the client remove the wick(to prevent loss of medication from the canal) placed in the external ear canal | the physician orders the frequency of the wick change |
| list a contraindication for cerumen removal from the ear | trauma |
| vertigo | the sensation that the outer world is revolving about ones-self or that the one is moving in space |
| labyrinthitis | is an inflammation of the labyrinthine canals of the inner ear |
| the labyrinth canals are also known as | the inner ear |
| list the 3rd action to be taken during a vertigo attack | lie immobile, et hold head in once position until vertigo lessens |
| define ostosclerosis | is a condition characterized by chronic progressive deafness |
| list the first 2 sentences of medical management for meniere's disease | a:there is no specific therapy for meniere's disease B:fluid restriction, diuretics, et a low-salt diet are prescribed in attempt to decrease fluid pressure. avoidance of nicotine et caffeine are advised |
| with tympanoplasty, what is the post-op medical management | bed rest until next AM; HOB at 40degrees; operative side of clients face, is upward |
| with stapedectomy, what post-op teaching re:coughing/sneezing is given | open mouth when sneezing or coughing et blow nose gently one side at a time for 1week |
| what do you instruct the client to do immediately after eye drops | have them roll their eyes |
Created by:
Morgan.Vega
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