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Exam (elaborations)

Shs 311 Exam 2A Questions And Answers

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SHS 311 EXAM 2A QUESTIONS AND ANSWERS

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SHS 311 EXAM 2A LATEST
QUESTIONS AND
ANSWERS 2026 - 2027
How many turns are in the Cochlea? - ANSWERS-2 1/2


The Cochlear has 3 chambers... What are they? - ANSWERS-1.Scala
Vestibuli
2. Scala Media
3. Scala Tympani


What 2 cavities is the inner ear divided into? - ANSWERS-1. One
houses the organ of BALANCE
2. Houses the organ of HEARING


Where is the inner ear situated? and what is it protected by? -
ANSWERS-1. skull
2. Temporal bone


What are the general differences of the size of each b/t the base and
apex? - ANSWERS-Basilar membrane is wider at the apex than it is at
the base, while the cochlea becomes smaller from base to apex.


END OF
PAGE
1

, SHS 311 EXAM 2A LATEST
QUESTIONS AND
ANSWERS 2026 - 2027
What structure supplies the basic metabolic energy for the cochlea? -
ANSWERS-STRIA VASCULARIS


What is the function of the Cochlea? - ANSWERS-Transduces sound
vibrations into neural signals
-These neural signals code for frequency, intensity and phase of sound.


What is a traveling wave? - ANSWERS-Motion of the basilar membrane
in which the location of MAXIMAL VIBRATION is frequency
dependent


What is the instantaneous basilar membrane pattern? - ANSWERS-
Position of basilar membrane one instant in time


What is the envelope of the traveling wave? - ANSWERS-Estimate of
overall pattern basilar membrane vibration over a fairly long period of
time


What are 3 way that sound can reach the inner ear? - ANSWERS-1.
Normal middle ear ossicular chain processes
END OF
PAGE
2

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