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8 Cards in this Set

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  • Back
Otitis Media:
Bulging, red tympanic membrane may indicate ___ infection.
More common in younger children because their ___.
May cause ___.
Can lead to ___.
-middle ear
-pharyngotympanic tubes have a narrower angle and therefore, drainage from the middle ear cavity to the pharynx is impaired
-perforation of tympanic membrane
-mastoiditis
s. 11
Mastoiditis:
Otitis media can lead to mastoiditis, an inflammation of the ___.
Mastoiditis can spread superiorly into the ___.
-mastoid antrum and air cells
-middle cranial cavity [e.g. *meningitis, if spreads]
Pathologic Nystagmus:
Damage to the ___ or its connections with the ___ can cause pathological nystagmus.
___ can cause nystagmus.
In vestibular nystagmus, the eyes move ___.
-vestibular system
-cerebellum
-Alcohol and other intoxicants
-slowly toward the side of damage and then rapidly snap back
Meniere’s Disease:
Recurrent attacks of ___ (3).
May be accompanied by ___.
Most common in ___ (ages).
Attacks may last for a few moments to a number of hours.
A consistent feature is ___, an increase in the volume of endolymph.
-vertigo, hearing loss and tinnitus (ringing in ears)
-nystagmus
-4th and 5th decade
-endolymphatic hydrops
Hearing Loss:
Constant exposure to loud sounds at specific frequencies can damage ___ cells that detect those frequencies
___ cells in humans do not regenerate
Vestibulocochlear nerve may be injured at its entrance into the brainstem by a Schwann cell tumor, Schwannoma
___ neuroma
May involve ___ nerve and thereby cause a ___ palsy
-hair
-Hair
-Acoustic
-facial
-facial
What nerves innervate the inner and outer surfaces of the tympanic membrane?
outer – auriculotemporal [branch off mandibular n.] and auricular branch of X
Inner – glossopharyngeal
What nerve must be avoided when making an incision into the tympanic membrane and placing the tympanostomy tube?
Chorda tympani
If this nerve were damaged, what deficits would it cause?
Loss of taste from the anterior 2/3rds of the tongue and loss of salivation from the submandibular and sublingual glands