Intermediate Cochlea Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which membrane separates the scala vestibuli from the scala media?
- Basilar membrane
- Tympanic membrane
- Secondary tympanic membrane
- Vestibular membrane
Q2. Which structure forms the lateral wall of the cochlear duct and is important for generating the endocochlear potential?
- Osseous spiral lamina
- Spiral limbus
- Stria vascularis
- Tectorial membrane
Q3. Where are the cell bodies of primary auditory sensory neurons located?
- Spiral ganglion
- Superior cervical ganglion
- Trigeminal ganglion
- Geniculate ganglion
Q4. Which bony shelf projects from the modiolus and contributes to support of the cochlear partition?
- Facial canal
- Arcuate eminence
- Spiral ligament
- Osseous spiral lamina
Q5. Which membrane overlies the hair cells of the organ of Corti?
- Vestibular membrane
- Tympanic membrane
- Round window membrane
- Tectorial membrane
Q6. Which hair cells provide most afferent auditory input to the cochlear nerve?
- Inner hair cells
- Vestibular dark cells
- Supporting cells only
- Outer hair cells
Q7. What is a major function of outer hair cells?
- Conduction of sound through the ossicles
- Mechanical amplification and sharpening of cochlear responses
- Production of cerumen
- Generation of middle ear pressure
Q8. Which cochlear region is most responsive to high-frequency sounds?
- Helicotrema only
- Base of the cochlea
- Vestibule
- Apex of the cochlea
Q9. Which cochlear region is most responsive to low-frequency sounds?
- Base of the cochlea
- Apex of the cochlea
- Oval window only
- Internal acoustic meatus
Q10. Through which opening does pressure in the scala tympani reach the middle ear boundary?
- Oval window
- Pharyngotympanic tube
- External acoustic meatus
- Round window