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Questions and Answers
What does the outer ear part 'Pinna' do?
What does the outer ear part 'Pinna' do?
- Collects sound, acting as a funnel to amplify sound and directing sound toward the ear canal. (correct)
- Is a tube running from the outer ear to the middle ear.
- Transmits sound vibrations to the auditory nerves.
- Converts sound into electrical signals through mechanoelectrical transduction.
What is the definition of sound intensity?
What is the definition of sound intensity?
- The change in the static pressure of any media when a sound wave is passing through.
- The logarithm of the ratio of a given sound pressure to the reference sound pressure in decibels.
- The sound power per unit area, with basic units in watts/m2. (correct)
- The process where the ear transforms sound vibrations into nerve impulses.
What is the function of the middle ear?
What is the function of the middle ear?
- Transmits sound vibrations from the outer ear to the inner ear. (correct)
- Collects sound and transmits it to the auditory nerves.
- Transforms sound vibrations into nerve impulses that are interpreted by the brain as sounds.
- Acts as a funnel to amplify sound and directing sound toward the ear canal.
How is sound pressure level defined?
How is sound pressure level defined?
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What is the process called when the ear transforms sound vibrations into nerve impulses?
What is the process called when the ear transforms sound vibrations into nerve impulses?
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