What is the purpose of cerumen? Protection of the ear canal Keeping the ear cana
ID: 3524582 • Letter: W
Question
What is the purpose of cerumen? Protection of the ear canal Keeping the ear canal moist Both a and b Neither a nor b Question 28 Which of the following is part of the auditory system Inner ear Outer ear Middle ear All of the above DQuestion 29 Vibrations in the fluld of the cochlea are known as Mechanical energy Hydraulic energy Mechanoelectric energy Bioelectric energy D | Question 30 What amplifes sound before it gets to the cochlea? The condensation effect The lever action of the ossicles Both a and b Neither a nor bExplanation / Answer
Answer 27. Both a and b
Cerumen is the ear wax, it provides protection to the inner ear by trapping the microbes. It resists water also, so that it cannot go inside and affect the internal parts of the ear.
Answer 28. All the above
The auditory system in human beings is made up of the the peripheral auditory system comprising the outer middle and the inner ear and the central auditory system comprising the cochlear nucleus and the primary auditory cortex.
Answer 29. Hydraulic energy
The process of hearing sound is converted into the mechanical energy by the tympanic membrane. It is thereafter transmitted to the middle and the inner ear by the hydraulic energy.
Answer 30. Both a and b
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