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Section 3 Hearing

Somatic and Special Senses

QuestionAnswer
What is the primary function of the auditory ossicles in the hearing process? A. To produce sound vibrations B. To amplify vibrations as they pass through C. To convert sound waves into electrical impulses D. To maintain equilibrium To amplify vibrations as they pass through
Which structure transmits sound vibrations to the perilymph in the scala vestibuli? A. The malleus B. The round window C. The stapes against the oval window D. The tympanic membrane The stapes against the oval window
What happens when receptor cells in the cochlea are stimulated by sound vibrations? A. The semicircular canals activate B. The membrane becomes permeable to Ca+ ions C. The tympanic membrane vibrates faster D. The auditory ossicles contract The membrane becomes permeable to Ca+ ions
Which structure is responsible for converting sound vibrations into nerve impulses that the brain can interpret? A. Organ of Corti B. Semicircular canals C. Auditory tube D. Auricle Organ of Corti
Where are sound impulses ultimately interpreted in the brain? A. In the frontal lobe B. In the occipital lobe C. In the temporal lobe D. In the parietal lobe In the temporal lobe
What is the function of the auditory tube? A. To convert sound waves into electrical impulses B. To maintain equal air pressure on both sides of the eardrum C. To amplify sound vibrations D. To provide a sense of equilibrium To maintain equal air pressure on both sides of the eardrum
What happens when a person is exposed to sound levels above 90 dB frequently? A. The auditory tube becomes inflamed B. The round window ruptures C. Permanent hearing damage can occur D. The cochlea produces excess fluid Permanent hearing damage can occur
What structure helps funnel sound into the ear? A. External auditory meatus B. Tympanic membrane C. Auricle (pinna) D. Oval window Auricle (pinna)
Be able to trace a sound wave through the ear. Auricle → external auditory meatus → tympanic membrane → auditory ossicles
Created by: tmcnu2
 

 



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