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33 Cards in this Set
- Front
- Back
anosmia
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inability to smell
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otorrhea
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fluid discharge from ear
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dysphagia
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difficulty swallowing
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odynophagia
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painful swallowing
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globus
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sensation of a lump in the throat
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otalgia
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ear pain (often referred from throat)
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trismus
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difficulty opening mouth
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CN I-XII
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olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear glossopharyngeal, vagus, accessory, hypoglossal
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motor/sensory actions of CN I-VI
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I- smell; II- sight (sensory pupil rxn); III- eyeball mvmt, pupil sphincter, ciliary muscle (motor pupil rxn); IV- superior oblique muscle mvmt; V- motor: chewing (masseter), sensory: face, teeth, sinuses, cornia; VI- lateral rectus muscle (lateral gaze)
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motor/sensory actions of CN VII-XII
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VII- motor: facial muscles, lacrimal/sublingual/submandibular glands, sensory: anterior tongue/soft palate, taste; VIII- hearing, positioning; IX- motor: stylopharyngeus, parotid, pharynx, sensory: post tongue, pharynx, middle ear; X- motor: vocal cords, heart, bronchus, GI tract, sensory: bronchus, heart, GI tract, larynx, ear; XI- trapezius, SCM; XII- tongue mvmt, strap muscles (ansa cervicalis branch)
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what are the 3 divisions of the trigeminal nerve?
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1. ophthalmic, 2. maxillary, 3. mandibular
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what happens when the hypoglossal nerve (CN XII) is cut?
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when the patient sticks out the tongue, it deviates to the same side as the injury (wheelbarrow effect)
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name the duct of the submandibular gland
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wharton's duct
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name the duct of the parotid gland
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stensen's duct
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what is the source of blood supply to the nose?
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1. internal carotid artery: anterior and posterior ethmoidal arteries via ophthalmic artery; 2. external cartoid artery: superior labial artery (via facial artery) and sphenopalatine artery (via internal maxillary artery)
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name the 3 bones that make up the posterior nasal septum
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1. ethmoid (perpendicular plate) 2. vomer (latin for plow) 3. palatine (some also include maxillary crest)
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name the 7 bones of the boy eyeball orbit
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frontal, zygoma, maxillary, lacrimal, ethmoid, palatine, sphenoid
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name the 4 strap muscles
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TOSS: thyrohyoid, omohyoid, sternothyroid, sternohyoid
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which muscle crosses the external and internal carotid arteries?
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digastric muscle
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in a neck incision, what is the 1st muscle incised?
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platysma
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which nerve supplies the strap muscles?
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ansa cervicalis (XII)
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what are the anterior and posterior neck triangles?
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2 regions of the neck, divided by the sternocleidomastoid muscle
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name the 3 auditory ossicle bones
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1. malleus (hammer) 2. incus (anvil) 3. stapes (stirrup)
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which nerve runs with the carotid in the carotid sheath?
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vagus
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which nerve crosses the internal carotid artery at ~1-2cm above the bifurcation
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hypoglossal nerve
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what comprises the middle ear?
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eustachian tube, ossicle bones, tympanic membrane (ear drum), mastoid air cell
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what comprises the inner ear?
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cochlea, semicircular canals, internal auditory canal
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most common cause of croup
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parainfluenza virus
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most common cause of otitis externa
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pseudomonas
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most common cause of epiglottitis
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h. influenzae
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most common cause of malignant otitis externa
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pseudomonas
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most common cause of parotitis
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staphylococcus
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most common cause of acute suppurative otitis media
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s. pneumoniae (33%)
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