Why Is It More Difficult to Obtain Enough Oxygen Via

question 22

Multiple Choice

Why is it more difficult to obtain enough oxygen via respiration from water than from air?

• A) The density of water makes ventilating the respiratory tissues more difficult.
• B) The viscosity of water is less than that of air.
• C) The solubility of oxygen in water is less than in air.
• D) All of the above answers apply.
• E) Only A and C apply.

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Definitions:

Machine-Hours

An indicator of how much output is generated in manufacturing, determined by the total hours that machinery is in use.

Predetermined Overhead Rate

A rate calculated before the accounting period begins, based on the estimated overhead costs and estimated activity level, used to allocate overhead costs to products or services.

Labor-Hours

A measure of the work performed by employees, typically represented by the number of hours worked.

Variable Manufacturing Overhead

The portion of manufacturing overhead costs that vary with the level of production output.