18 Questions
What is the function of the maculae in the ear?
Receptor for sense of head position
Which type of hair cells in the ear have a flask-shaped appearance?
Type I hair cells
What is the role of otoliths in the ear?
Provide balance cues by responding to linear acceleration
Which part of the ear contains endolymph and is lined by simple squamous epithelium?
Semicircular ducts
What is the function of the semicircular ducts in the ear?
Maintain balance by detecting rotational movements
Which part of the ear is responsible for secreting a gelatinous glycoprotein layer?
Ceruminous glands
What is the function of the Crista ampularis?
To detect rotational acceleration of the head
Which structure is responsible for protecting the tympanic membrane?
Eustachian tube
What can lead to accumulation of fluid in the middle ear?
Blockage of the Eustachian tube
Which external ear structure is thin, semi-transparent, and flexible?
Ear drum
What is the correct receptor cell type within the organ of Corti?
Hair cells
Which structure is not part of the external ear?
Vestibule, semicircular canals and cochlea
What is the main function of the auricle in the ear?
To collect and focus sound waves toward the external auditory meatus
Which part of the auricle is highly vascular and poorly innervated?
Lobule of the ear
What is the impact of excessive accumulation of cerumen in the ear?
Conductive deafness
Which gland in the external auditory meatus secretes cerumen (earwax)?
Ceruminous gland
How does the tympanic membrane function in response to sound waves?
Converts sound waves into mechanical vibration
What covers the lobule of the ear at its lower end?
Adipose connective tissue
Learn about the two types of hair cells in the vestibular system - Type I and Type II, their characteristics, and the structure of the otolithic membrane. Understand the role of these components in the function of the vestibular system.
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