CM- ENT-1- Anatomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is perichondritis | infection of the earlobe
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| Name the 7 important landmarks of the auricle or pinna | Helix, Antihelix, triangular fossa, concha, tragus, antitragus, lobule
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| What is the thin membrane that covers the cartilage of the ear known as | perichondrium
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| What are the three divisions of the ear | outer ear, middle ear, inner ear
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| What is the middle part of the tympanic membrane called at the bottom of the malleus | Umbo
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| Name the 5 nerves that supply sensory innervation of the ear | trigeminal nerve- V, facial nerve- VII, glossopharyngeal nerve- IX, vagal nerve- X, upper cervical nerves
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| What are the bone of the middle ear (the ossicles) | malleus, incus and stapes
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| What is the role of the eustachian tube | ear throat connection allows ear pressure to equalize to outside atmosphere especially with a yawn
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| what is the small cavity in the mastoid bone called that houses the organ of Corti responsible for converting mechanical energy into electrical energy of sound | the cochlea
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| what two parts make up the inner ear | the cochlea and the vestibular system.
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| This type of hearing loss occurs when there is a disruption of sound waves being transferred to the tympanic membrane or cochlea | conductive hearing loss- can be caused by obstruction of external ear canal, fluid or effusion in the middle ear, otosclerosis, discontinuity of the ossicles (subluxation)
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| This type of hearing loss occurs whit deterioration of the cochlear hair cells in the organ of Corti. | Sensorineural hearing loss- most common cause in adults is presbycusis or natural hearing loss as one gets older. In kids you have to think congenital, infections, or toxins
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| What is the name give to the small fragile arteries located on the anterior/superior portion of the nasal septum | Kiesselbach plexus the most common location for epistaxis
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| Can you identify the following on a picture of the nose; Glabella, nasion/angle, tip, ala nasi, supr-alar crease, philtrum, columella, alar sidewall, soft tissue triangle, nostril sill, columella labial angle, alar facial groove | yes or no
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| Name the four sinuses | maxillary, ethmoid, frontal, sphenoid
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| what is the opening that connects a sinus to the nose called | sinus ostium
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| taste from the anterior 2/3 of the tongue is carried through what nerve | cranial nerve 5 trigeminal
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| taste from the posterior 2/3-1/3 of the tongue is carried by what nerve | glossopharyngeal CN 9
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| what is the area above the soft palate and posterior to the nasal cavities called | nasopharynx
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| what is the are below the soft palate to the hyoid bone called | oropharynx
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| what is the area below the oropharynx to the cricoid cartilage called | hypopharynx
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| what is the gland on the side of the jaw and anterior to the ear called, what is it called when it gets inflamed and where does it drain | parotid gland, parotitis is inflammation of the parotid gland and the gland drains into the mouth through Stenson's duct
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| what is the gland called below and in front of the angle of the jaw that drains into the mouth via Wharton's duct adjacent to the frenulum | submandibular gland
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| IF patient has severe throat pain, trismus, drooling and deviation of the uvula what are they most likely suffering from | peritonsillar abscess
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