quiz me4d Flashcards
What is the function of the eyes?
Receive images and transmit them to the brain
What is the function of the ears?
Receive sound impulses and transmit them to the brain
What is the mucous membrane that lines the inside of the eyelids and forms a protective coating over the eyeball?
Conjunctiva
The structure that produces, stores and remove tears?
Lacrimal apparatus
What is the white of the eye that helps maintain structure?
Sclera
What is the clear flexible curved structure that focuses images on the retina
Lens
What are rods?
Help us see black and white
What is the colored portion of the eye called?
Iris
What transmits impulses from the retina to the brain?
Optic Nerve
Drooping or sagging of the upper eyelid is called?
Blepharoptosis
The loss of the transparency of the lens and usually occurs in old age is called?
Cataracts
What is diplopia?
Double Vision
The inability to see is called?
Blindness
What is the test that measures the ability to distinguish object details and shapes?
Visual Acuity
What is the procedure where an incision is made to cause the cornea to flatten and correct nearsightedness?
Radial Keratotomy
What are the three regions the ear is divided in?
Outer, middle and inner
What are endolymph?
Sensitive hairlike structures that bend in response to head movement
What is the structure that receives sound vibrations and relays them to the auditory nerve fibers?
Organ of Corti
The symptom of this disorder is dizziness, feeling of whirling and loss of balance.
Vertigo
The name for the eardrum.
Tympanic Membrane
What is Otitis Externa?
Inflammation of the external ear
What is noise induced hearing loss?
Inner ear is damaged due to repeated exposure to loud noises
Hearing loss occurring in old age?
Presbycusis
What is the procedure to measure hearing?
Audiometry
