ipsQuestion textThe auditory nerve is stimulated by the movement of:Select one:a. sound wavesb. hair cellsc. the ear drumd. the ear ossicles
Question
The auditory nerve is stimulated by the movement of:
Select one:
- a. sound waves
- b. hair cells
- c. the ear drum
- d. the ear ossicles
Solution
The auditory nerve is stimulated by the movement of:
a. sound waves b. hair cells c. the ear drum d. the ear ossicles
The correct answer is b. hair cells.
Here's the step by step explanation:
- Sound waves enter the ear and cause the eardrum to vibrate.
- These vibrations are then transferred to the ear ossicles (the smallest bones in the body) located in the middle ear.
- The ossicles amplify the vibrations and send them to the cochlea in the inner ear.
- Inside the cochlea, these vibrations cause the fluid to ripple, which moves the tiny hair cells.
- The movement of these hair cells converts the vibrations into electrical signals.
- These electrical signals are then sent to the brain via the auditory nerve, where they are interpreted as sound.
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