What Happens to the Eardrum and Other Structures of the Inner

question 103

Multiple Choice

What happens to the eardrum and other structures of the inner ear during middle adulthood? They become ____.

• A)less flexible and more sensitive to sound
• B)less flexible and less sensitive to sound
• C)more flexible and less sensitive to sound
• D)basically unchanged during this time

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Definitions:

Independent Variables

Factors within an experiment or model that are intentionally altered to study their impact on outcome variables.

Residuals

The differences between observed values and the values predicted by a regression or other statistical model.

Parabolic Shape

The shape of the graph of a quadratic function, resembling a curve that opens upwards or downwards.