Ear Flashcards
What part of the ear are cerumen glands in
Outer ear
What color is new wax? Old wax?
New- honey colored
Old- darker, black
What’s the purpose of earwax
Inhibit bacterial & fungal growth, prevents water from entering skin
What is exostosis
Abnormal, benign, boney growth of temporal bone
What can cause otitis externa?
Lots of swimming & canal damage from cleaning
Do fungal infections cause more pain or more itching?
More itching than pain
What does the middle ear consist of?
Eardrum, tympanic cavity, & 3 ossicles
What does the eardrum look like
“Pearly gray” membrane, concave, tipped toward examiner
What are the two parts of the eardrum
Pars flacida & pars tensa
Where does the auditory tube from to/from?
Nasopharynx to middle ear
What is the short process of the tympanic membrane
The rounded part of the malleus
What is the long process of the tympanic membrane
The handle of the malleus; angles toward posterior
What is the light reflex
Triangular shaped reflection of light
what are three possible mechanisms responsible for blockage of auditory tube (middle ear problems)
Barotrauma, adenoid hyper trophy, mucosal swelling & excess mucus
What are the four fluids that can accumulate in the middle ear
Pus, serrous, mucus, blood