Which of the Following Structures of the Ear Are NOT

question 41

Multiple Choice

Which of the following structures of the ear are NOT involved with hearing?

• A) the cochlea
• B) the organ of Corti
• C) the vestibular apparatus
• D) the oval window
• E) all of these structures of the ear are involved with hearing

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Definitions:

Variable Expenses

Variable expenses are costs that change in proportion with the level of activity or production volume, such as raw materials and direct labor.

Contribution Margin

The residual sum from sales income following the subtraction of variable costs.

Segment Margin

The contribution margin of a specific segment of a business, excluding common fixed costs, to assess the segment's financial performance independently.

Traceable Fixed Expenses

Fixed costs that can be directly associated with a specific business segment or a product.