Exam 1 Part 2 Flashcards
What are ear tubes made out of?
Teflon
Why do ear tubes pop out after a duration of time?
Tympanic membrane is healing and gets pushed out to the periphery
What are the 2 types of ear tubes?
Short-term and long-term
Skin tumor on the tympanic membrane
Attic cholesteatoma
Something stuck in the ear canal
Foreign body
Bony growths in ear canal caused by exposure to cold water
Osteoma/exostoses
Holes in the tympanic membrane caused by otitis media or sneezing too hard
Perforation of tympanic membrane
True or false: If the umbo is eroded away, regeneration cannot occur
True
Why are q-tips bad for ears?
Pushes earwax deeper into the ear canal
What is the constant in an audiogram?
20 mPa or 0 dBSPL
What is the x-axis on an audiogram?
Frequency
What is the y-axis on an audiogram?
Hearing threshold in dBHL
Successive doubling of a frequency
Octave
Vowels are at ___ frequencies
Lower
Consonants are at ___ frequencies
Higher
Human hearing ranges from ___ to ___ Hz
20 - 20,000
Frequency for tap dripping
10 dB
Frequency for clock ticking
20 dB
Frequency for normal conversational speech
40-60 dB
Frequency for baby crying
60 dB
Frequency for telephone
80 dB
Frequency for lawn mower
90 dB
Frequency for chainsaw
100 dB
Frequency for airplane taking off
115 dB
Single frequency
Pure tone
Includes the outer and middle ear
Conductive
Can conductive hearing loss be fixed?
Yes
