Podcast
Questions and Answers
What structure lies between the vestibular membrane and the basilar membrane in the cochlea?
What structure lies between the vestibular membrane and the basilar membrane in the cochlea?
- Cochlear duct (correct)
- Tectorial membrane
- Spiral organ of Corti
- Semicircular ducts
Where do the peripheral processes of the neurons from the spiral ganglion terminate?
Where do the peripheral processes of the neurons from the spiral ganglion terminate?
- At the base of the hair cells in the organ of Corti (correct)
- In the tectorial membrane
- In the vestibular apparatus
- On the pyramidal cells of the cochlea
What stimulates the generation of nerve impulses during the hearing process?
What stimulates the generation of nerve impulses during the hearing process?
- Vibration of the vestibular membrane
- Pressure changes in the semicircular ducts
- Flow of endolymph in the cochlear duct
- Movement of the tectorial membrane (correct)
What forms the cochlear nerve?
What forms the cochlear nerve?
How many openings do the semicircular ducts have into the utricle?
How many openings do the semicircular ducts have into the utricle?
What type of acceleration does the utricle primarily detect?
What type of acceleration does the utricle primarily detect?
What structure connects the saccule to the cochlear duct?
What structure connects the saccule to the cochlear duct?
Which of the following correctly describes the function of the semicircular canals?
Which of the following correctly describes the function of the semicircular canals?
What is the role of the hair cells located in the macula of the utricle and saccule?
What is the role of the hair cells located in the macula of the utricle and saccule?
Which nerve is formed by the cochlear and vestibular nerves?
Which nerve is formed by the cochlear and vestibular nerves?
What is the function of the neurons in the vestibular ganglion?
What is the function of the neurons in the vestibular ganglion?
Which part of the ear is responsible for collecting sounds?
Which part of the ear is responsible for collecting sounds?
What is the function of the tympanic membrane?
What is the function of the tympanic membrane?
Which structure separates the external ear from the middle ear?
Which structure separates the external ear from the middle ear?
Which type of tissue is the deepest part of the auricle primarily composed of?
Which type of tissue is the deepest part of the auricle primarily composed of?
What is the main purpose of the auditory tube?
What is the main purpose of the auditory tube?
The bones known as the auditory ossicles include which of the following?
The bones known as the auditory ossicles include which of the following?
Which part of the tympanic membrane is larger and tense?
Which part of the tympanic membrane is larger and tense?
Which nerve provides mainly sensory innervation to the external acoustic meatus?
Which nerve provides mainly sensory innervation to the external acoustic meatus?
The structure that protects the inner ear and is vital for balance is known as what?
The structure that protects the inner ear and is vital for balance is known as what?
The shape of the external acoustic meatus can be described as what?
The shape of the external acoustic meatus can be described as what?
Which part of the middle ear connects with the mastoid cells?
Which part of the middle ear connects with the mastoid cells?
What happens when the tympanic membrane is perforated?
What happens when the tympanic membrane is perforated?
Which muscle is responsible for dampening sounds caused by loud noises?
Which muscle is responsible for dampening sounds caused by loud noises?
The lymph drainage of the external ear primarily goes to which lymph nodes?
The lymph drainage of the external ear primarily goes to which lymph nodes?
What is the function of the tensor tympani muscle?
What is the function of the tensor tympani muscle?
Which muscle is responsible for reducing the oscillatory range of the base of the stapes?
Which muscle is responsible for reducing the oscillatory range of the base of the stapes?
Where does the facial nerve exit the skull?
Where does the facial nerve exit the skull?
What type of fluid is found inside the membranous labyrinth?
What type of fluid is found inside the membranous labyrinth?
Which part of the ear contains structures responsible for detecting angular head movements?
Which part of the ear contains structures responsible for detecting angular head movements?
What structure is responsible for transmitting waves from the oval window to the cochlea?
What structure is responsible for transmitting waves from the oval window to the cochlea?
What effect does a lesion of the facial nerve have on hearing?
What effect does a lesion of the facial nerve have on hearing?
How many turns does the cochlea make around its bony core?
How many turns does the cochlea make around its bony core?
Which part of the vestibule contains receptors for linear acceleration?
Which part of the vestibule contains receptors for linear acceleration?
What is the role of perilymph?
What is the role of perilymph?
Which two scalae are connected through the helicotrema?
Which two scalae are connected through the helicotrema?
Which structure sits between the cochlea and the semicircular canals?
Which structure sits between the cochlea and the semicircular canals?
What is the primary function of the round window?
What is the primary function of the round window?
Which cranial nerve is responsible for innervating the stapedius muscle?
Which cranial nerve is responsible for innervating the stapedius muscle?
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