Term
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Definition
| Acoustic aka. vestibulocochlear |
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Term
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Definition
AU = both ears
AS = left ear
AD = right ear |
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Term
| If the drainage from the ears is clear or contains blood what could this signify? |
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Definition
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Term
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Definition
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Term
| What are signs of an earache in a child? |
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Definition
| Tugging at their ears, whining, runny nose, crying that cannot be quieted for a baby. |
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Term
| True or false: Common antibiotics used in hospitals cannot be oto-toxic or contribute to hearing damage. |
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Definition
| False. Some antibiotics most commonly used in hospitals are oto-toxic and can overtime lead to hearing loss. |
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Term
| What are some structures of the external ear? |
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Definition
| Helix, Antihelix, Tragus, Lobule, Mastoid Process & external canal |
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Term
| What are structures of the middle ear? |
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Definition
| Tympanic membrane & ossicles |
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Term
| What are the 3 bones of the middle ear? |
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Definition
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Term
| What is a function of the middle ear? |
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Definition
Decreases amplitude of sound which protects inner ear
Conducts sound vibrations from outer ear to central hearing apparatus in inner ear |
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Term
| Why are children more likely to get ear infections? |
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Definition
| Their eustachian tube is horizontal and it connects to the nasopharynx, so secretions do not flow out as easily |
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Term
| Function of the adult eustachian tube? |
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Definition
| It allows for drainage and equalizes air pressure so the tympanic membrane doesn't rupture. |
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Term
| What are some structures of the inner ear? |
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Definition
| vestibular apparatus, semicircular canals, cochlea, basilar membrane, organ of corti |
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Term
| What part of the inner ear is responsible for the physical act of hearing? |
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Definition
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Term
| Ratio of air conduction:bone conuuction |
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Definition
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Term
| What is conductive hearing loss? |
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Definition
| mechanical dysfunction of external or middle ear impairs the conduction of sound to the inner ear. |
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Term
| What could cause conductive hearing loss? |
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Definition
| impacted cerumen, foreign bodies, perforated tympanic membrane, otosclerosis |
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Term
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Definition
| gradual nerve degeneration that occurs with aging (65+ years)& ototoxic drugs that affect hair cells in cochlea |
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Term
| Mixed hearing loss is a combination of what two types of hearing loss? |
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Definition
| conductive and sensoineural |
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Term
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Definition
| a CNS disorder, a problem that occurs where CNIII enters the brain, could be caused by a brain tumor |
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Term
| How do you position the adult versus the child ear for an otoscope exam? |
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Definition
Pinna pulled up & back for adult
Pinna pulled down for child |
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