Hearing process and Hearing Loss in Humans

As sound waves travel through the ear canal, they cause the tympanic membrane to vibrate and in turn cause the ossicles to also vibrate. Which of the following is the correct sequence of the ossicles going from the tympanic membrane to the oval window?

• incus, malleus, stapes

• malleus, incus, stapes

• stapes, incus, malleus

• stapes, malleus, incus

Which of the following is affected if a patient has an inner ear infection?

• cochlea

• ossicles

• eardrum

• Pinna

• The stapes is connected to one side of the oval window, and the __________ of the cochlea is connected to the other side of the oval window.

• • scala media

• • scala tympani

• • scala vestibuli

• Endolymph

Which route shows how sound waves enter the ear and are processed?

• 1. From pinna to eardrum to ossicles to cochlea to cilia

• 1. From pinna to ossicles to eardrum to pinna to cilia to cochlea

• 1. From eardrum to cochlea to cilia to pinna to ossicles

• 1. From cochlea to eardrum to pinna to cilia to ossicles

Which of the following statements is Not true?

• Hearing loss divided into three type, there is conductive hearing loss, sensorineural hearing loss, and mixed hearing loss.

• Sensorineural hearing loss happen in middle ear and inner ear.

• Conductive hearing loss happen in outer ear and middle ear.

• Mixed hearing loss happen in outer ear, middle ear, and inner ear.