A Person Able to Hear Only Low-Frequency Sounds Would Probably

question 33

Multiple Choice

A person able to hear only low-frequency sounds would probably have which of the following structural problems in the ear?

• A) The tympanum is damaged because of chronic ear infections.
• B) The basilar membrane is stiffened along its entire length.
• C) The ear ossicles are abnormally thickened.
• D) There is a loss of hair cell function in the area closest to the oval window.

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Definitions:

Direct Material

Primary materials used in the making of a product that can be directly traced to the finished good.

Materials Price Variance

The difference between the actual cost of materials purchased and the expected (standard) cost, multiplied by the quantity of materials.

Labor Efficiency Variance

A measure used to assess the difference between the actual hours worked and the standard hours allotted to complete a task, multiplied by the standard hourly labor rate.

Variable Overhead

Refers to the indirect costs of operation that fluctuate with the level of production activity, such as utilities for manufacturing facilities.