12 Questions
What is the primary function of the cerumen in the ear?
To keep the tympanic membrane soft and flexible
What is the shape of the external auditory canal in adults?
S-shaped
What separates the middle ear from the inner ear?
A bony partition
What is the function of the eustachian tube?
To equalize air pressure on both sides of the tympanic membrane
What is the name of the sensory organ for hearing?
Spiral organ of Corti
What is the function of the ossicles in the middle ear?
To transmit sound waves from the middle ear to the inner ear
What is the primary function of the perilymph in the inner ear?
Transmitting sound vibrations and mechanical pressure to the sensory receptors in the cochlea
What is the main difference between conductive and sensorineural hearing loss?
Location of damage in the ear
What is the function of the saccule in the vestibule?
Maintaining vertical balance
What is the name of the nerve that connects the vestibular nerve with the cochlear nerve to form cranial nerve VIII?
Vestibulocochlear nerve
What is the term for fungal ear infection, also known as 'swimmer's ear'?
Otitis externa
What is the term for a subjective feeling of spinning around, often caused by inner ear problems?
Vertigo
This quiz covers the structures of the human ear, including the outer ear, middle ear, and the functions of each part. Learn about the auricle, external auditory canal, and tympanic membrane in this anatomy quiz.
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