Answers:
Which of the follow is not an advantage of completely in the canal hearing aids?
A) Barely noticeable
B) Less occlusion effect
C) Less feedback with jaw movement
D) Easier to use with telephones
E) Less wind-noise problem
CIC hearing aids actually have increased feedback from jaw movement.
What are two ways hearing aids can be stopped from amplifying sound to an uncomfortable level.
Peak Clipping = Creates distortion when hearing aid is in saturation.
Compression = As the hearing input increases the amount of gain is automatically reduced to avoid reaching painful level.
MC Questions:
Cochlear implants are indicated for pts who meet all of the following criteria except...
A) Pt is at least 12 months old
B) Binaural severe SNHL
C) Binaural profound SNHL
D) Intact CNVIII
E) Prior success with hearing aids.
F) All of the above
A) Barely noticeable
B) Less occlusion effect
C) Less feedback with jaw movement
D) Easier to use with telephones
E) Less wind-noise problem
CIC hearing aids actually have increased feedback from jaw movement.
What are two ways hearing aids can be stopped from amplifying sound to an uncomfortable level.
Peak Clipping = Creates distortion when hearing aid is in saturation.
Compression = As the hearing input increases the amount of gain is automatically reduced to avoid reaching painful level.
MC Questions:
Cochlear implants are indicated for pts who meet all of the following criteria except...
A) Pt is at least 12 months old
B) Binaural severe SNHL
C) Binaural profound SNHL
D) Intact CNVIII
E) Prior success with hearing aids.
F) All of the above
Free Response Question:
What are the three sites for cochlear implant electrode placement?
Quick Facts:
Complications of Cochlear Implants
-Intraop:
-Partial insertion (ossified cochlea)
-Insertion trauma (penetration through basilar membrane or fx of osseous spiral lamina)
-Perilymphatic Gusher (if Mondini malformation present)
-Postop:
-Postauricular flap edema
-Necrosis (most common)
-Transient Vertigo
-Facial nerve paresis/paralysis
-Meningitis
-Extrusion of implant
-Intraop:
-Partial insertion (ossified cochlea)
-Insertion trauma (penetration through basilar membrane or fx of osseous spiral lamina)
-Perilymphatic Gusher (if Mondini malformation present)
-Postop:
-Postauricular flap edema
-Necrosis (most common)
-Transient Vertigo
-Facial nerve paresis/paralysis
-Meningitis
-Extrusion of implant
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