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Session 3 CM- ENT-1
CM- ENT-1- Anatomy
| Question | Answer |
|---|---|
| What is perichondritis | infection of the earlobe |
| Name the 7 important landmarks of the auricle or pinna | Helix, Antihelix, triangular fossa, concha, tragus, antitragus, lobule |
| What is the thin membrane that covers the cartilage of the ear known as | perichondrium |
| What are the three divisions of the ear | outer ear, middle ear, inner ear |
| What is the middle part of the tympanic membrane called at the bottom of the malleus | Umbo |
| 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 |
| What are the bone of the middle ear (the ossicles) | malleus, incus and stapes |
| What is the role of the eustachian tube | ear throat connection allows ear pressure to equalize to outside atmosphere especially with a yawn |
| 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 |
| what two parts make up the inner ear | the cochlea and the vestibular system. |
| 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) |
| 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 |
| 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 |
| 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 |
| Name the four sinuses | maxillary, ethmoid, frontal, sphenoid |
| what is the opening that connects a sinus to the nose called | sinus ostium |
| taste from the anterior 2/3 of the tongue is carried through what nerve | cranial nerve 5 trigeminal |
| taste from the posterior 2/3-1/3 of the tongue is carried by what nerve | glossopharyngeal CN 9 |
| what is the area above the soft palate and posterior to the nasal cavities called | nasopharynx |
| what is the are below the soft palate to the hyoid bone called | oropharynx |
| what is the area below the oropharynx to the cricoid cartilage called | hypopharynx |
| 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 |
| 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 |
| IF patient has severe throat pain, trismus, drooling and deviation of the uvula what are they most likely suffering from | peritonsillar abscess |
Created by:
smaxsmith
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