Flashcards in 217 Final Deck (84)
LABEL PICTURE Anatomy of hearing (look at 1st pic in study guide)
A: external auditory meatus
C: tympanic membrane
I: semicircular canals
M: vestibular nerve
N: facial nerve
O: vestibulocochlear nerve
S: auditory tube
What are the 3 structures of the ear?
outer, middle, inner ear, auditory pathways
The pinna is also known as the?
the eardrum is also known as the?
the ____ separates the middle ear from the outer ear
What is the resonating cavity that contributes to hearing?
external auditory meatus
What are the bones of the middle ear called?
What are the 3 parts of the ossicular chain?
Malleus, incus, and stapes
Which is the largest of the ossicles?
the ____ contains the three smallest bones of the body
the ____ and ____ are the two smallest muscles of the body
the sensors for balance and hearing are in the ____
the _____ looks like a coiled snail shell
osseous cochlear labyrnith
the ______ has 4 rows of hair cells
organ of corti
what does the outer ear do?
collect the sound
what does the middle ear do?
matching Airborn signal
what does the inner ear do?
analysis of the signal
what does the auditory pathway do?
carries the signal
what does the cerebral cortex do?
interprets the signal
The inner ear contains both the _____ and ____
vestibular and auditory mechanisms
the ____ provides major input to the _____
The auditory mechanism provides major input to the proprioceptive system.
the ____ is responsible for the sense of ones body in space
Where does the initiation of electrical events occur?
What are the 4 types of hearing loss?
what are 4 causes of conductive hearing loss?
middle ear infections
perforation of the eardrum
fixation of the ossicular chain
If you have damage to the cochlea you would have what type of hearing loss?
What is it called when the bones of our head vibrate in response to sound waves?
____ is when sound circumvents the ear canal and eardrum and vibrates the middle ear bones directly.
What are three factors that contribute to decreased perception?