A & P Ear Quiz
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| In what part of the brain does hearing occur? | Temporal Lopes
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| What carries the nerve impulse to the Temporal Lopes? | Cochlear, 8th cranial, auditory, acoustic nerve. (It is one nerve with four names.)
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| What part of the ear has the main function of balance instead of hearing? | Semi-circular canals
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| The outer part of the ear is sometimes called the auricle, but usually called what? | Pinna
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| After the outer ear collects sound waves it carries it to what structure? | External auditory meatus
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| The meatus is the opening into what part of the ear? | Auditory canal
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| What is the Auditory Canal lined with? | Ceruminous glands & cila
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| What is the main job of the cerumious glands? | Produce a waxy substance call cerumen
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| What do the hair like cila and cerumen do for hearing? | Filter the air and help prevent foreign objects to protect the tympanic membrane.
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| What is the medical term for ear drum? | Tympanic membrane
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| What are the two medical terms that mean ear drum? | Myring/o and tympanic membrane
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| What is the name for the tiny bones of the middle ear as group? | Ossicles
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| What are the Individual names for the ossicle bones | Malleus (hammer), Incus (anvil) and stapes (stirrup)
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| The movement of the Ossicles causes the in and out fluctuation of what structure? | Oval window
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| What is the name of the upper most part of the outer ear? | Helix
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| What is the medical term for the second part of the inner ear somtimes called entry way? | Vestibule
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| What does sound travel through to get from the vestibule to the snail-like structure? | Round window
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| What is the medical term for the snail-like structure? | Cochlea
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| What is the medical term for the structure often described as the 'organ of hearing'? | Organ of Corti
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| The stimulation of 'cilia-like' strutures by movement of the auditory fluids causes what? | The wave like motion of the auditory fluids is converted into the nerve impulse.
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| What color is a healthy, normal tympanic membrane? | Shiny, almost gray or beige.
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| If the tympanic membrane is pink or red it is a sign of what? | Infection
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| If the tympanic membrane is dull it is a sign of what? | Fluid behind the ear.
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| What instrument is used to examine the ear? | Otoscope
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| What is the name of the specialist that covers treatment of the eye, ear, nose & throat? | Otolaryngologist or ENT
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| What are the structures of the outer ear? | Pinna, External auditory meatus, auditory canal
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| What is the function of the Pinna? | To collect sound waves.
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| What is the fuction of the External Auditory Meatus? | It is the opening between the Pinna and the Auditory canal.
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| What extends from the meatus to the tympanic membrane? | Auditory canal
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| What are the structures of the middle ear? | Tympanic membrane and ossicles
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| Where and what is the tympanic membrane? | Thin membrane that is extended across the end of the auditory canal.
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| What moves to the vibrition of the tympanic membrane? | The tiny bones, malleus, incus & stapes collectively known as the ossicles.
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| At what point do sound waves change from vibration to movement? | With the movement of the ossicles.
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| What are the structures of the inner ear? | Oval window, Vestibule, Round Window and Cochlea
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| What is pushed agaianst / attached to the oval window? | Stapes
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| What is the oval window made of? | A membrane that is thinner then the tympanic membrane.
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| What is the medical term for the entry way between the oval and round windows? | Vestibule
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| The last part of the inner ear is called what? | Cochlea
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| What is the inner most part of the cochlea called? | Organ of corti also called the 'organ of hearing'.
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| What is the names of the fluid inside all parts of the inner ear? | Auditory Fluids - Perilymph (meaning around or inside) & Endolmph (meaning within or inside)
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| The movement of nerve cells that generates eletrical impulses travels where? | Inside the organ of Corti than the impulse travels to cochlear nerve then Temporal lope.
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| What two bones inside the skull protect the structures of the ear? | Temporal and Mastoid
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| What extends from the middle ear to the pharyax (throat)? | Eustachian Tube
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| What is the main function of this tube? | Equalize pressure to protect the tympanic membrane.
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| Which structures are responsible for maintenance of balance and equibrium? | Utricle and Saccule
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| Where are the utricle and saccule located? | Semi-circular canal
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| Trace sound waves from the pinna to the temporal lobe. | Pinna, Ext Aud. Meatus, Aud. canal, Tympanic, ossicles, oval window, cochlea, organ of corti, nerve with four names (Cochlear, 8th cranial, auditory, acoustic nerve), temporal lope
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| How is volume measured? | Decibels
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| What structures of the ear have nothing to do with sound waves? | Round window and Vesibule
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| What part of the ear responds to gravity to tell us what position we are in? | Otoliths
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| What is volume? | The number of regularly occuring sound waves.
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| What equals volume? | Intensity / loud
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| What equals pitch? | Frequency (High pitch sounds do not travel as far into the cochlea as low pitch.)
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| What is the medical term for the science of the eye and its disorders and diseases. | Ophthalmology
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| A physician who specializes in the diagnosis & treatment of the disorders and diseases of the eye is called? | Ophthalmologist
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