Podcast
Questions and Answers
Which structure lies above the stereocilia of the hair cells?
Which structure lies above the stereocilia of the hair cells?
- Modiolus
- Tectorial membrane (correct)
- Basilar membrane
- Round window
What begins the neural transduction of auditory signal?
What begins the neural transduction of auditory signal?
- Hyperpolarization of hair cells
- Movement of the basilar membrane
- Bending of the stereocilia (correct)
- Depolarization of hair cells
Which type of hair cells are responsible for transmitting approximately 90% of auditory signals?
Which type of hair cells are responsible for transmitting approximately 90% of auditory signals?
- Inner hair cells (correct)
- Outer hair cells
- Both inner and outer hair cells equally
- None of the above
How many times more outer hair cells are there compared to inner hair cells?
How many times more outer hair cells are there compared to inner hair cells?
What is the potential role of outer hair cells in relation to inner hair cells?
What is the potential role of outer hair cells in relation to inner hair cells?
Which component of the cochlea contains fibers that vibrate like a musical reed?
Which component of the cochlea contains fibers that vibrate like a musical reed?
What is the function of the round window in the cochlea?
What is the function of the round window in the cochlea?
What determines the frequency of sound perceived?
What determines the frequency of sound perceived?
How is sound intensity expressed?
How is sound intensity expressed?
What is the threshold for citric acid to be perceived as sour?
What is the threshold for citric acid to be perceived as sour?
Which structure functions to transmit vibrations in the air to the cochlea?
Which structure functions to transmit vibrations in the air to the cochlea?
What is the purpose of the attenuation reflex in the ossicular system?
What is the purpose of the attenuation reflex in the ossicular system?
Which muscle is the smallest skeletal muscle in the body?
Which muscle is the smallest skeletal muscle in the body?
What is the function of the organ of Corti?
What is the function of the organ of Corti?
What is the role of the ossicles in the auditory system?
What is the role of the ossicles in the auditory system?
What is the purpose of the tympanic membrane being larger than the oval window?
What is the purpose of the tympanic membrane being larger than the oval window?
Which two muscles are involved in the attenuation reflex?
Which two muscles are involved in the attenuation reflex?
What is the purpose of the attenuation reflex in reducing sound transmission?
What is the purpose of the attenuation reflex in reducing sound transmission?
Which part of the cochlea contains the hair cells?
Which part of the cochlea contains the hair cells?
What causes back and forth movement of the tympanic membrane?
What causes back and forth movement of the tympanic membrane?
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