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WorksheetsEar and Cochlear Implant
Total questions: 10
Worksheet time: 5mins
What is the function of middle ear?
Convert mechanical signal to electrical signal
Convert air vibration to electrical signal
Conduct acoustic energy
Identify other function of the ear...
Control balance
Assist in balancing pressure
Assist in speech
State the mechanism of transduction of sound in ear
Oscillation
Vibration
Absorption
Filtration
What is the condition that stimulate a hair cell to generate action potential
Movement of tectorial membrane
Movement of outer hair cell
Movement of basilar membrane
Movement of inner hair cell
Choose the correct frequency region in basilar membrane
Low frequency - Apex, High frequency - Base
Low frequency - Base High frequency - Apex
What is the equivalent of electrode/s in natural ear
Basilar Membrane
Tympanic Membrane
Hair Cells
Tectorial Membrane
Choose the importance of having multi-channel implant
Mimicking the natural ear mechanism
Provide more information as more electrode are used
Stimulate more region on basilar membrane
Add complexity and cross channels interaction
Choose the transmission link method with minimal surgical approach
Percutaneous
Transcutaneous
What is the most importance design consideration for a functional electrode in cochlear
Number of electrodes
Spacing between electrodes
Electrode configuration
Electrode placement
Identify the most important consideration for a cochlear implant
Number of healthy hair cells
Damaged percentage of basilar membrane
Damaged percentage of tympanic membrane
