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Anatomy of OE and ME
Anatomy of IE
Physiology of OE, ME, IE
Neuroanatomy
Neuro-Physiology
100
Name all three bones in ossicular chain.
What is malleus, incus, stapes.
100
What is the bony, hollow core that the cochlea is coiled/wrapped 2.5 times around
What is modiolus
100
What is the function of the Eustachian Tube?
What is pressure equalization.
100
Name the four lobes of the cerebrum
What is frontal, temporal, parietal, and occipital.
200
What is the name of the tightly stretched portion of the tympanic membrane.
What is Pars Tensa.
200
Name the three scalae in the cochlea.
What is scala media, scala vestibuli, scala tympani.
200
Name two services of cerumen in the external auditory meatus.
What is protection and lubrication.
200
3 parts of brainstem.
What is medulla, pons, midbrain.
200
Function of the temporal lobe
What is auditory function.
300
What is the smallest bone in the body?
What is the stapes.
300
What is the specific location of the cochlea.
What is embedded in the temporal bone, medial to the ME cavity.
300
Name how OE affects incoming sound. (2 ways)
What is induces pressure gain at the TM and helps with sound localization.
300
Name the associated cranial nerves of the medulla.
What is glossopharyngeal, vagus, accessory, hypoglossal
300
Function of ventral MGB
What is specific auditory relay.
400
Name the two middle ear muscles and what cranial innervates them.
What is tensor tympani innervated by trigeminal nerve (CN V) and stapedius innervated by facial nerve (CN VII)
400
Name the three types of border cells in cochlea.
What is Hensen's cells, Claudius, Boettcher's
400
What is the total impedance transformer ratio of the ME? (all three factors together)
What is 46 times (17 x 1.3 x 2)
400
Name the 3 major nuclei of the midbrain.
What is substantia nigra, red nucleus
400
Functions of thalamus (3)
What is relay sensory info to cortex, integrate sensorimotor info, regulate functions of association cortex.
500
Name every part of the incus (5)
What is the facet for malleus, short crus, long crus, body, lenticular process.
500
What shape are the IHCs and OHCs?
What is IHCs are flask-shaped and OHCs are cylinder-shaped
500
What is the 3 mechanisms for ME impedance transformer?
What is area ratio between TM and footplate of stapes, lever system, buckling movement of the TM
500
What disorders are implicated from dysfunction of the basal ganglia?
What is Tourette syndrome, movement disorders, Parkinson's
500
What is indicator of damage to MGB
What is problems with dichotic listening.