18 Questions
What determines the site of maximal displacement of the basilar membrane?
Amplitude and frequency
Which characteristic defines a pure tone?
Sine wave with a single frequency
What distinguishes noise from a pure tone?
Contains multiple superimposed waves
Which parameter contributes to the loudness of a sound?
Amplitude
What is the primary determinant of pitch in a sound wave?
Frequency
Which factor remains constant between two sounds that have the same frequency and amplitude but differ in phase?
Phase
At which frequency range is the greatest sensitivity of the human ear?
1000-4000 Hz
What is the minimal intensity at which sound can be detected called?
Sound threshold
What is the average speech intensity in decibels?
60 dB
What is the main purpose of the lower panels in explaining sound location detection?
To illustrate interaural time difference
What creates a phase difference in sound location detection?
Shift of sound source from midline
On what scale are differences in sound intensity typically measured?
Logarithmic scale
What causes fluid movement in the scala tympani?
Displacement of the stapes
Where does fluid movement in the scala vestibuli lead to?
Reciprocal displacement of the round window
Which structure determines the site of maximal displacement of the basilar membrane?
Organ of Corti
What effect do high frequency sound waves have on the basement membrane?
Displacement closer to the base
Which curve indicates the intensity at which sound is felt as painful?
Top curve
What is the purpose of the bottom curve in a sound intensity graph?
Shows absolute intensity for sound detection
Test your knowledge on the sound parameters that determine the site of maximal displacement of the basilar membrane. This quiz covers topics such as amplitude (loudness), frequency (pitch), and characteristics of sound pressure waves.
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