The Exhalation of Air from Human Lungs Is Driven by

question 93

Multiple Choice

The exhalation of air from human lungs is driven by

• A)a decrease in the volume of the thoracic cavity.
• B)a decrease in the residual volume of the lungs.
• C)the contraction of the diaphragm.
• D)the closure of the mouth.
• E)the expansion of the rib cage.

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Definitions:

Machine-Hours

A measure of production output or activity calculated as the total hours that machines are operated over a specific period.

Standard Hours Allowed

The amount of work time allowed for the completion of a task, against which actual hours are compared for performance analysis.

Direct Labor-Hours

Total time directly invested in the creation of a product or the provision of a service.

Variable Overhead Efficiency Variance

A measure used to evaluate the efficiency of variable overhead resources used in production relative to the standard consumption expected.