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