Eardrum Vibrations Are Transmitted to the Cochlea by a Piston

question 8

Multiple Choice

Eardrum vibrations are transmitted to the cochlea by a piston consisting of

• A)protruding hair cells.
• B)the basilar membrane.
• C)the hammer,anvil,and stirrup.
• D)vestibular sacs.

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Definitions:

Diminishing Marginal Returns

A principle stating that if one factor of production is increased while others are kept constant, the resulting increase in output will eventually decline.

Short-Run Average Total Cost (ATC)

The total cost per unit of output in the short run, where some factors of production are fixed.

Profit-Maximizing Level

The output level at which a firm achieves the highest profit, where marginal revenue equals marginal cost.

Average Total Costs (ATC)

A rephrasing of Average Total Cost, it calculates the per-unit production cost by dividing the total cost by the total quantity of goods produced.