The Primary Role of the Carbonic Acid-Bicarbonate Buffer System Is

question 26

Multiple Choice

The primary role of the carbonic acid-bicarbonate buffer system is

• A) to buffer stomach acid.
• B) to buffer carbonic acid formed by carbon dioxide.
• C) the prevention of pH changes caused by organic and fixed acids.
• D) to buffer the urine.
• E) to increase the amount of carbonic acid during ventilation.

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Definitions:

Absorption Costing

A method in accounting that integrates every manufacturing expense – direct materials, labor, and all overheads (variable and fixed) – into the product’s price.

Net Operating Income

A company's total profit from operational activities, excluding expenses related to interest and taxes.

Period Cost

Expenses that are not directly tied to production activities and are expensed in the period in which they occur.

Contribution Margin

The difference between the sales revenue of a product and its variable costs, used to cover fixed costs and contribute to profit.