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Ear @ AJHS NZ
| Question | Answer |
|---|---|
| A physician who specializes in the diagnosis & treatment of the disorders and diseases of the eye is called? | Ophthalmologist |
| After the outer ear collects sound waves it carries it to what structure? | External auditory meatus |
| Another word for a person's voice box is ? | Larynx. |
| At what point do sound waves change from vibration to movement? | With the movement of the ossicles. |
| Auditory Canal | Carries sound waves to the tympanic membrane. |
| Cochlea | Coiled tube within the inner ear that receives sound waves and converts them into nerve impulses. |
| Does sound travel more slowly or faster at higher temperatures? | Faster. |
| Does sound travel more slowly or faster at lower temperatures? | Slowly. |
| Eustachian Tube | Air-filled tube of the middle ear that equalizes pressure between the outer and middle ear. |
| How is volume measured? | Decibels |
| If the tympanic membrane is dull it is a sign of what? | Fluid behind the ear. |
| If the tympanic membrane is pink or red it is a sign of what? | Infection |
| In what forms can a medium exist? | A gas, liquid or solid |
| In what part of the brain does hearing occur? | Temporal Lopes |
| Loudness is measured by a waves what? | Intensity. |
| Loudness is measured in what unit? | Decibels (dB). |
| Ossicles | Tiny bones that amplify and carry sound in the middle ear. |
| Oval Window | Receives sound waves from the ossicles. |
| Pinna | Outer part of the external ear. It amplifies sound by funneling it from a large area into the narrower auditory canal. |
| Pitch is measured by a waves what? | Frequency. |
| Semicircular Canals | Fluid-filled structures that provide information concerning dynamic equilibrium. |
| Sound is a disturbance that travels through a medium as what kind of a wave? | Longitudinal wave. |
| Sound is created when a medium | Vibrates. |
| Sound waves travel faster in which medium, liquid or solid? | Solid |
| The ability of a material to bounce back after being disturbed is called what? | Elasticity. |
| The last part of the inner ear is called what? | Cochlea |
| The mass of a given space or volume is called what? | Density. |
| The meatus is the opening into what part of the ear? | Auditory canal |
| 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. |
| The movement of the Ossicles causes the in and out fluctuation of what structure? | Oval window |
| The outer part of the ear is sometimes called the auricle, but usually called what? | Pinna |
| The speed of sound depends on three different things of the medium. What are they? | Elasticity, density, and temperature. |
| 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. |
| 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 |
| Tympanic Membrane (eardrum) | Receives sound waves. |
| Vestibule | Chamber at the base of the semicircular canals. Also associated with static equilibrium. |
| What does the malleus do? | The malleus increases the loudness of sound that enters the ear. |
| What are the Individual names for the ossicle bones | Malleus (hammer), Incus (anvil) and stapes (stirrup) |
| What are the structures of the inner ear? | Oval window, Vestibule, Round Window and Cochlea |
| What are the structures of the middle ear? | Tympanic membrane and ossicles |
| What are the structures of the outer ear? | Pinna, External auditory meatus, auditory canal |
| What are the two medical terms that mean ear drum? | Myring/o and tympanic membrane |
| What carries the nerve impulse to the Temporal Lopes? | Cochlear, 8th cranial, auditory, acoustic nerve. (It is one nerve with four names.) |
| What color is a healthy, normal tympanic membrane? | Shiny, almost gray or beige. |
| What do the hair like cila and cerumen do for hearing? | Filter the air and help prevent foreign objects to protect the tympanic membrane. |
| What do we call the measure of sound waves with frequencies that do not sound pleasing together? | Noise. |
| What does sound travel through to get from the vestibule to the snail-like structure? | Round window |
| What does the cochlea do? | The cochlea has the job of transforming the sound energy delivered to the cochlea fluid by the middle ear. |
| What does the eustachain tube do? | The eustachain tube lets air go through. |
| What does the incus do? | The incus transmits sound vibrations from the malleus to the stapes. |
| What does the middle carcavity do? | The middle carcavity turns the vibation into a fluid. |
| What does the pinna do? | The pinna collects the sound and directs it torward the ear canal. |
| What does the semicircular canals do? | Semicircular canals contrats the balance of the body. |
| What does the stapes do? | Stapes tranmits the sound to the membrane. |
| What does the tympanic do? | The tympanic membrane sends virbration to the middle of the ear. |
| What does the vestibular do? | The vestibular nerve recves positionat information. |
| What equals pitch? | Frequency (High pitch sounds do not travel as far into the cochlea as low pitch.) |
| What equals volume? | Intensity / loud |
| What extends from the meatus to the tympanic membrane? | Auditory canal |
| What extends from the middle ear to the pharyax (throat)? | Eustachian Tube |
| What instrument is used to examine the ear? | Otoscope |
| What is compression? | Area of a medium where matter is close together. |
| What is needed to create sound? | A vibration |
| What is pushed agaianst / attached to the oval window? | Stapes |
| What is rarefaction? | An area of a medium where matter is far apart. |
| What is the apparent change in frequency as a wave source moves in relation to the listener called? | Duppler effect. |
| What is the Auditory Canal lined with? | Ceruminous glands & cila |
| What is the fuction of the External Auditory Meatus? | It is the opening between the Pinna and the Auditory canal. |
| What is the function of the Pinna? | To collect sound waves. |
| What is the inner most part of the cochlea called? | Organ of corti also called the 'organ of hearing'. |
| What is the main function of this tube? | Equalize pressure to protect the tympanic membrane. |
| What is the main job of the cerumious glands? | Produce a waxy substance call cerumen |
| What is the medical term for ear drum? | Tympanic membrane |
| What is the medical term for the entry way between the oval and round windows? | Vestibule |
| What is the medical term for the science of the eye and its disorders and diseases. | Ophthalmology |
| What is the medical term for the second part of the inner ear somtimes called entry way? | Vestibule |
| What is the medical term for the snail-like structure? | Cochlea |
| What is the medical term for the structure often described as the 'organ of hearing'? | Organ of Corti |
| What is the name for the tiny bones of the middle ear as group? | Ossicles |
| What is the name of the specialist that covers treatment of the eye, ear, nose & throat? | Otolaryngologist or ENT |
| What is the name of the upper most part of the outer ear? | Helix |
| 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) |
| What is the oval window made of? | A membrane that is thinner then the tympanic membrane. |
| What is the purpose of the inner ear? | To conver the sound waves in to a form that brains can understand. |
| What is the purpose of the middle ear? | To transmit the sound waves inward. |
| What is the purpose of the outer ear? | To funnel sound waves. |
| What is the word we use when the sounds of music and noise are combined. | Dissonance. |
| What is volume? | The number of regularly occuring sound waves. |
| What moves to the vibrition of the tympanic membrane? | The tiny bones, malleus, incus & stapes collectively known as the ossicles. |
| What occurs when the frequency of the sound waves and the natural frequency of the object are the same. | Resonance. |
| What part of the ear has the main function of balance instead of hearing? | Semi-circular canals |
| What part of the ear responds to gravity to tell us what position we are in? | Otoliths |
| What structures of the ear have nothing to do with sound waves? | Round window and Vesibule |
| What two bones inside the skull protect the structures of the ear? | Temporal and Mastoid |
| What word do we use to describe the quality of the sound we hear. | Timbre. |
| What words would you use to describe the pitch of sound? | High or low. |
| What words would you use to describe the volume of sound? | Loud or soft. |
| 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. |
| When two sounds combined together result ina softer sound or one that is completely concealed, what do we have? | Destructive interference. |
| When two sounds combined together sound louder than either of the two original sounds, what do we have? | Constructive interference. |
| Where and what is the tympanic membrane? | Thin membrane that is extended across the end of the auditory canal. |
| Where are the utricle and saccule located? | Semi-circular canal |
| Which structures are responsible for maintenance of balance and equibrium? | Utricle and Saccule |
Created by:
johncl
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