Ear @ AJHS NZ
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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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| After the outer ear collects sound waves it carries it to what structure? | External auditory meatus
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| Another word for a person's voice box is ? | Larynx.
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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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| Auditory Canal | Carries sound waves to the tympanic membrane.
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| Cochlea | Coiled tube within the inner ear that receives sound waves and converts them into nerve impulses.
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| Does sound travel more slowly or faster at higher temperatures? | Faster.
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| Does sound travel more slowly or faster at lower temperatures? | Slowly.
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| Eustachian Tube | Air-filled tube of the middle ear that equalizes pressure between the outer and middle ear.
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| How is volume measured? | Decibels
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| If the tympanic membrane is dull it is a sign of what? | Fluid behind the ear.
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| If the tympanic membrane is pink or red it is a sign of what? | Infection
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| In what forms can a medium exist? | A gas, liquid or solid
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| In what part of the brain does hearing occur? | Temporal Lopes
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| Loudness is measured by a waves what? | Intensity.
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| Loudness is measured in what unit? | Decibels (dB).
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| Ossicles | Tiny bones that amplify and carry sound in the middle ear.
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| Oval Window | Receives sound waves from the ossicles.
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| Pinna | Outer part of the external ear. It amplifies sound by funneling it from a large area into the narrower auditory canal.
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| Pitch is measured by a waves what? | Frequency.
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| Semicircular Canals | Fluid-filled structures that provide information concerning dynamic equilibrium.
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| Sound is a disturbance that travels through a medium as what kind of a wave? | Longitudinal wave.
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| Sound is created when a medium | Vibrates.
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| Sound waves travel faster in which medium, liquid or solid? | Solid
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| The ability of a material to bounce back after being disturbed is called what? | Elasticity.
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| The last part of the inner ear is called what? | Cochlea
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| The mass of a given space or volume is called what? | Density.
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| The meatus is the opening into what part of the ear? | Auditory canal
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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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| The movement of the Ossicles causes the in and out fluctuation of what structure? | Oval window
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| The outer part of the ear is sometimes called the auricle, but usually called what? | Pinna
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| The speed of sound depends on three different things of the medium. What are they? | Elasticity, density, and temperature.
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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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| 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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| Tympanic Membrane (eardrum) | Receives sound waves.
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| Vestibule | Chamber at the base of the semicircular canals. Also associated with static equilibrium.
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| What does the malleus do? | The malleus increases the loudness of sound that enters the ear.
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| What are the Individual names for the ossicle bones | Malleus (hammer), Incus (anvil) and stapes (stirrup)
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| What are the structures of the inner ear? | Oval window, Vestibule, Round Window and Cochlea
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| What are the structures of the middle ear? | Tympanic membrane and ossicles
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| What are the structures of the outer ear? | Pinna, External auditory meatus, auditory canal
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| What are the two medical terms that mean ear drum? | Myring/o and tympanic membrane
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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 color is a healthy, normal tympanic membrane? | Shiny, almost gray or beige.
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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 do we call the measure of sound waves with frequencies that do not sound pleasing together? | Noise.
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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 does the cochlea do? | The cochlea has the job of transforming the sound energy delivered to the cochlea fluid by the middle ear.
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| What does the eustachain tube do? | The eustachain tube lets air go through.
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| What does the incus do? | The incus transmits sound vibrations from the malleus to the stapes.
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| What does the middle carcavity do? | The middle carcavity turns the vibation into a fluid.
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| What does the pinna do? | The pinna collects the sound and directs it torward the ear canal.
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| What does the semicircular canals do? | Semicircular canals contrats the balance of the body.
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| What does the stapes do? | Stapes tranmits the sound to the membrane.
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| What does the tympanic do? | The tympanic membrane sends virbration to the middle of the ear.
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| What does the vestibular do? | The vestibular nerve recves positionat information.
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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 equals volume? | Intensity / loud
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| What extends from the meatus to the tympanic membrane? | Auditory canal
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| What extends from the middle ear to the pharyax (throat)? | Eustachian Tube
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| What instrument is used to examine the ear? | Otoscope
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| What is compression? | Area of a medium where matter is close together.
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| What is needed to create sound? | A vibration
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| What is pushed agaianst / attached to the oval window? | Stapes
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| What is rarefaction? | An area of a medium where matter is far apart.
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| What is the apparent change in frequency as a wave source moves in relation to the listener called? | Duppler effect.
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| What is the Auditory Canal lined with? | Ceruminous glands & cila
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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 is the function of the Pinna? | To collect sound waves.
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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 main function of this tube? | Equalize pressure to protect the tympanic membrane.
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| What is the main job of the cerumious glands? | Produce a waxy substance call cerumen
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| What is the medical term for ear drum? | 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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| What is the medical term for the science of the eye and its disorders and diseases. | Ophthalmology
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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 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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| What is the name for the tiny bones of the middle ear as group? | Ossicles
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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 is the name of the upper most part of the outer ear? | Helix
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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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| What is the oval window made of? | A membrane that is thinner then the tympanic membrane.
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| What is the purpose of the inner ear? | To conver the sound waves in to a form that brains can understand.
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| What is the purpose of the middle ear? | To transmit the sound waves inward.
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| What is the purpose of the outer ear? | To funnel sound waves.
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| What is the word we use when the sounds of music and noise are combined. | Dissonance.
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| What is volume? | The number of regularly occuring sound waves.
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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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| What occurs when the frequency of the sound waves and the natural frequency of the object are the same. | Resonance.
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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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| What part of the ear responds to gravity to tell us what position we are in? | Otoliths
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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 two bones inside the skull protect the structures of the ear? | Temporal and Mastoid
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| What word do we use to describe the quality of the sound we hear. | Timbre.
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| What words would you use to describe the pitch of sound? | High or low.
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| What words would you use to describe the volume of sound? | Loud or soft.
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| When the combination of the fundamental tone and the overtones results in a sound with a pleasing timbre and a clear pitch, the sound is considered what? | Music.
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| When two sounds combined together result ina softer sound or one that is completely concealed, what do we have? | Destructive interference.
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| When two sounds combined together sound louder than either of the two original sounds, what do we have? | Constructive interference.
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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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| Where are the utricle and saccule located? | Semi-circular canal
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| Which structures are responsible for maintenance of balance and equibrium? | Utricle and Saccule
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