Term
| Cerumen glands are located in the bony inner 1/3 of external auditory meatus. t/f |
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Definition
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Term
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Definition
directs sound to eardrum
acts as a resonator |
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Term
| t/f tympanic muscles stiffen the ossicular chain |
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Definition
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Term
| How the middle ear can increase the pressure arriving at the oval window. |
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Definition
1. decreasing the surface area sound ins transferred through
2. level effect
3. buckling of the TM |
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Term
| Organ of Corti is found in |
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Definition
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Term
| t/f The inner hair cells are in direct contact with the tectorial membrane. |
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Definition
| false. the outer hair cells |
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Term
| WHat allows for the communication between the scala vestibuli and the middle ear? |
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Definition
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Term
| Nerve fibers leave the Organ of Corti through spiral lamina group to form the _________ which preserves the ___________ arrangement. |
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Definition
| Spiral ganglion, tonotopic |
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Term
| Name the three canals within the cochlear |
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Definition
| scala vestibuli, scala media and scala tympani. |
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Term
| air conduction pathways measures hearing in what part of the ear? |
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Definition
| outer, middle and inner ear |
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Term
| we can determine the origin of loss through _____ and severity of loss through __________ |
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Definition
| bone conduction, air conduction |
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Term
| What are some examples of conductive disorder? |
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Definition
| cholesteatoma, otosclerosis, impacted cerumen, |
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Term
| t/f sensiorneural hearing loss is characterized by an air bone gap. |
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Definition
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Term
| When is it necessary to mask in air conduction? |
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Definition
| when there is a significant difference between the ears. |
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Term
| Name one question that would be asked during a case history that would be specific to a pediatric patient. |
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Definition
How the pregnancy was like
Is the child receiving any special services.
Was the mother on any kind of medication while pregnant? |
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Term
| draw symbols you would use in ear specific bone conduction testing |
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Definition
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Term
| t/f no further information is needed if patient fills out the case history form prior to meeting with the clinician |
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Definition
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Term
| what are the components of an otoscope? |
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Definition
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Term
| Why is it important to brace the head during otoscopy? |
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Definition
| to ensure that the head does not jerk back and to get a better reading/viewing of the ear |
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Term
| name two types of abnormalities you might see during otoscopy and describe what you might expect to see. |
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Definition
Glue ear: a lot of thick white fluid surrounding the auditory canal.
foreign body: something like crayon
drainage,
bony growths int he ear
inflammation: redness from infection |
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Term
| t/f we re able to visualize a stapes fixation during otoscopy |
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Definition
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Term
| What is the difference between speech reception and speech awareness threshold testing? |
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Definition
Speech reception requires patient to identify and hear the sound.
Speech Awareness only requires the patient to indicate that they heard the sound. |
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Term
| When attempting to obtain threshold info in pure tone testing, we decrease the dB level in ______ dB increments and increase the level in ______ dB increments. |
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Definition
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Term
| if no response is obtained at the starting level during threshold testing, we should |
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Definition
| go up in 20dB increments until we get a response then begin bracketing procedure. |
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