The Movement of Gas from the Environment to the Lungs

question 17

Multiple Choice

The movement of gas from the environment to the lungs is achieved by___________.

• A)diffusion
• B)effusion
• C)bulk flow
• D)active transport

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Definitions:

High-low Method

A technique used in cost accounting to estimate fixed and variable costs based on the highest and lowest levels of activity.

Net Operating Income

The net profit of a business is calculated by deducting operating expenses from the gross profit and before accounting for interest and taxes.

Sales Volume

The number of units sold within a reporting period, used as a measure of business activity.

Margin of Safety

The difference between actual sales and the break-even point, indicating how much sales can drop before a company incurs a loss.