Ears,Nose,Mouth,Throat Flashcards
(32 cards)
What are the parts of the external ear?
Auricle
External Auditory Canal
What are the parts of the middle ear?
Three bones Malleus Incus Stapes Tympanic membrane
What are the parts of the inner ear?
Cochlea (organ of corti)
Semicircular Canal–balance
If the cone of light is to the right
Right ear
Cone of light to the left
Left ear
What are the two hearing losses?
Conductive
Sensorineural
Loss signifies pathology of the inner ear, cranial nerve VIII
Sensorineural
Loss involves a mechanical dysfunction of the external or middle ear. Canal filled with serum.
Conductive
What are the parts of the external nose?
Nares–holes
Nasal bridge
What are the parts of the internal nose?
Septum
Turbinates–superior, middle, inferior
What are the sinuses?
Frontal
Maxillary
Ethmoid
Sphenoid
When does hearing develop?
1st trimester
What is different in children’s ears?
Auditory canal is shorter and straighter–leads to ear infection
Drooling is common until
12 months
Teeth grow in between
6-15 months
Lose permanent teeth during age
6-15
Eustacian tube drains into
The middle ear
Pregnant women have more
Colds, upper respiratory infections,gum bleeding and redness
In older adults hearing loss is normally due to
Degeneration of hair cells in Organ of Corti (sensorineural hearing loss)
When bones stick together in ear
Sclerotic TM (conductive hearing loss)
Four main developmental considerations in older adults
Hearing loss due to organ of corti
Hearing loss due to sclerotic TM
Dry cerumen–dry ears
Decreased saliva production
Non treated strep leads to
Heart and kidney problems
Balance problems
Meniere’s disease
Nosebleeds
Epistaxis