Ears,Nose,Mouth,Throat Flashcards
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