Exam 1 Part 2 Flashcards
(27 cards)
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
