Question

Place each of the following statements by using the numbers 1 – 9 to describe the events that lead to the formation of an auditory impulse -

1. Vibration is transferred from the malleus to the incus to the stapes

2. Basilar membrane moves up and down

3. Nerve impulse is transmitted in cochlear nerve to auditory cortex of brain for impulse analysis and recognitions

4. Sound waves pass through ear canal

5. Stereocilia of hair cells of organ of Corti rub against tectorial membrane

6. Sound waves causes ear drum to vibrate

7. Nerve impulse is generated

8. Vibrations move from fluid of vestibular canal to the fluid of tympanic canal.

9. Membrane at oval window vibrates

• A. 4, 6, 1, 9, 8, 2, 5, 7, 3
• B. 1, 2, 3, 4, 5, 6, 7, 8, 9
• C. 9, 8, 7, 6, 5, 4, 3, 2, 1
• D. 4, 6, 1, 8, 9, 2, 5, 7, 3

Answer 1

Answer: (A)

4, 6, 1, 9, 8, 2, 5, 7, 3