1
The _____ controls the amount of light entering the eye
Iris
The units for measuring the relative intensity of sounds on a scale from 0 to 130?
Decibels
______ is when smell receptors fatigue and no longer respond to the same (odor) chemical, and it can no longer be smelled.
Sensory adaptation
Another name for the auricle of the ear is the?
Pinna
the tough, outermost layer of the eye, also called the "white of the eye"?
Sclera
The changing of the lens shape is called?
Accommodation
The fluid in the anterior chamber of the eye, also causes gluacoma?
Aqueous humor
The process by which sound waves bypass the external and middle ear is known as?
Bone conduction
_____marks the beginning of the inner ear?
Oval window
Drooping of the upper eyelid is known as?
Ptosis
he mucous membranes that line the inner eyelid surfaces and the anterior sclera are the?
Conjuctivas
Where does the majority of refraction (focusing of light rays) in the eye take place?
Cornea
Another term for otitis externa is?
Swimmer’s ear.
The fluids of the internal ear that contribute(s) to maintaining equilibrium are?
Endolymph and Perilymph
You are about to perform an ear irrigation on a 5-year-old child. How should you position the child's ear
Pull the auricle downward and back
Which special senses utilize chemoreceptors?
Smell & Taste
The condition in which the lens of the eye has an abnormal shape or the cornea is unevenly curved is?
Astigmatism.
Chronic inflammation of the eyelid
Blepharitis
_____is the area between the semicircular canals and the cochlea
Vestibule
Which nerve carries information about position and positional changes?
The vestibular nerve
A common disorder of the inner ear that is caused by increased fluid in the labyrinth and produces symptoms of vertigo and tinnitus is ________.
Ménière's disease
Which nerve is involved in hearing?
Cochlear branch of the vestibulocochlear nerve
______interprets taste sensations and is located in the brain.
Gustatory cortex
_____are the structures involved with equilibrium
Semicircular canals
Name the three ear ossicles.
Malleus (Hammer), Incus (Anvil), Stapes (Stirrup)