During Exhalation, When the Diaphragm Relaxes and the Volume of the Chest

question 54

Multiple Choice

During exhalation, when the diaphragm relaxes and the volume of the chest cavity decreases, how is the air pressure inside the lungs affected?

• A) It increases.
• B) It decreases.
• C) It decreases, then increases.
• D) It is unchanged.

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Definitions:

Standard Direct Labor-Hours

The predetermined amount of labor time estimated or expected to produce a unit of output, used for budgeting and measuring efficiency.

Labor Rate Variance

The difference between the actual cost of labor and the budgeted or standard cost of labor.

Direct Materials Purchases Variance

Direct materials purchases variance analyzes the difference between the actual cost of materials purchased and the budgeted cost, impacting budgeting and cost control.

Variable Overhead

Those overhead costs that vary in total directly and proportionately with changes in production or activity level.