Questions on the Special Senses 4-18. Starting with the pinna, write the structu

Question

Questions on the Special Senses 4-18. Starting with the pinna, write the structures that sound waves pass until the go to the cochlear nerve. as they enter the e 4-19. Use the following terms to complete the questions about the ear below. Write out the number and then the letter(s) that best answer the statement. A. Stapes D. Cochlea G. External acoustic meatus H. Vestibule J. Oval window B. Malleus E. Pinna C. Incus F. Tympanic membrane I. Semicircular canals K. Pharyngotympanic (Eustacian) tube 1. Three structures composing the outer ear 2. Three structures composing the bony or osseos labyrinth: 3. Collectively called the ossicles: 4. Ear structures NOT involved in hearing: and 5. Allows pressure in the middle ear to be equalized with the atmospheric pressure: 6. Vibrates as sound waves hit it, transmits the vibrations to the ossicles: 7. Contains the organ of Corti: 8. Contains receptors for the sense of equilibrium: 9. Transmits the vibrations from the stirrup to the fluid of the inner ear: and

Explanation / Answer

1. Pinna , tympanic membrane, external auditory meatus

2. Cochlea , semicircular canals, vestibule

3. stapes malleus incus

4. semicircular canals and eustachian tubes

5. eustachian tubes

6. tympanic membrane

7. cochlea

8. oval window

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