Podcast
Questions and Answers
What is the function of the round window?
What is the function of the round window?
- It houses the sense organ for hearing
- It vibrates the perilymph at the oval window
- It separates the scala tympani from the middle ear (correct)
- It separates the scala vestibuli from the middle ear
Which membrane is the floor of the cochlear duct?
Which membrane is the floor of the cochlear duct?
- The oval window membrane
- The basilar membrane (correct)
- The tectorial membrane
- The vestibular membrane
Where are the auditory hair cells located?
Where are the auditory hair cells located?
- On the basilar membrane
- Within the scala vestibuli
- On the tectorial membrane
- Within the organ of Corti (correct)
How many rows of outer hair cells are present in the organ of Corti?
How many rows of outer hair cells are present in the organ of Corti?
What is the function of the stereocilia on hair cells?
What is the function of the stereocilia on hair cells?
What occurs when outer hair cells depolarize?
What occurs when outer hair cells depolarize?
What structures are linked by tip links?
What structures are linked by tip links?
Which property of the basilar membrane determines pitch discrimination?
Which property of the basilar membrane determines pitch discrimination?
Which part of the ear is responsible for converting sound waves into nerve impulses?
Which part of the ear is responsible for converting sound waves into nerve impulses?
What is the function of the vestibular apparatus?
What is the function of the vestibular apparatus?
Which of the following statements about sound localization is true?
Which of the following statements about sound localization is true?
What is the primary function of the Eustachian tube?
What is the primary function of the Eustachian tube?
Which of the following is a fluid-filled compartment in the cochlea?
Which of the following is a fluid-filled compartment in the cochlea?
What separates the scala vestibuli from the middle ear?
What separates the scala vestibuli from the middle ear?
Which of the following is NOT one of the three middle ear bones (ossicles)?
Which of the following is NOT one of the three middle ear bones (ossicles)?
What is the function of the pinna?
What is the function of the pinna?
Which part of the cochlea is responsible for detecting low pitches?
Which part of the cochlea is responsible for detecting low pitches?
What is the primary factor that determines the unique sound characteristics or timbre of a sound?
What is the primary factor that determines the unique sound characteristics or timbre of a sound?
Which type of hearing loss is caused by a blockage in the external or middle ear, preventing sound waves from being adequately conducted to the inner ear?
Which type of hearing loss is caused by a blockage in the external or middle ear, preventing sound waves from being adequately conducted to the inner ear?
Which structure in the vestibular apparatus is responsible for detecting linear motion in the horizontal plane?
Which structure in the vestibular apparatus is responsible for detecting linear motion in the horizontal plane?
What is the primary cause of age-related hearing loss, also known as presbycusis?
What is the primary cause of age-related hearing loss, also known as presbycusis?
Which type of hearing loss is caused by a defect or dysfunction in the organ of Corti, auditory nerve, or auditory cortex?
Which type of hearing loss is caused by a defect or dysfunction in the organ of Corti, auditory nerve, or auditory cortex?
What is the primary function of the kinocili in the vestibular apparatus?
What is the primary function of the kinocili in the vestibular apparatus?
According to the information provided, approximately what percentage of cochlear hair cells are lost by the age of 65 due to age-related hearing loss?
According to the information provided, approximately what percentage of cochlear hair cells are lost by the age of 65 due to age-related hearing loss?
What is the function of the otolith organ in the vestibular system?
What is the function of the otolith organ in the vestibular system?
What occurs when there is a mismatch between visual and spatial senses that leads to motion sickness?
What occurs when there is a mismatch between visual and spatial senses that leads to motion sickness?
What happens during depolarization in the hair cells of the vestibular system?
What happens during depolarization in the hair cells of the vestibular system?
Which component of the hair cell is covered by an ampullary cupula in the vestibular system?
Which component of the hair cell is covered by an ampullary cupula in the vestibular system?
What is the purpose of the tip links connecting the hair cell to the stereocilia in the vestibular system?
What is the purpose of the tip links connecting the hair cell to the stereocilia in the vestibular system?
During hyperpolarization in the hair cells, what is the position of the stereocilia relative to the kinocilium?
During hyperpolarization in the hair cells, what is the position of the stereocilia relative to the kinocilium?
Which structure in the otolith organ is penetrated by both kinocilium and stereocilia?
Which structure in the otolith organ is penetrated by both kinocilium and stereocilia?
