Inhaling Through the Nostrils Is Preferred Over the Mouth Because

question 28

Multiple Choice

Inhaling through the nostrils is preferred over the mouth because

• A) it dries out the mouth.
• B) less resistance to flow.
• C) bacteria won't be inhaled from the oral cavity.
• D) it allows better conditioning of the inhaled air.
• E) it combines olfaction with respiration.

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Definitions:

Variable Cost

Costs that change in proportion to the level of output or activity, such as materials and labor used in production.

Fixed Cost

A constant expense that does not change with the level of production or sales.

Total Revenues

The complete amount of income generated by a company or organization before any expenses are deducted.

Average Total Cost

The total cost of production divided by the number of units produced, representing the average cost per unit.