The Urinary System Helps to Maintain the Extracellular Fluid PH

question 68

Multiple Choice

The urinary system helps to maintain the extracellular fluid pH by

• A) synthesizing buffers.
• B) retaining carbon dioxide in the filtrate.
• C) excreting hydrogen ions as water.
• D) combining hydrogen ions with urea.
• E) joining hydrogen ions with bicarbonate.

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Definitions:

360-Day Year

A financial convention that simplifies interest calculation by assuming a year has 360 days.

Commission

A fee paid for services, usually a percentage of the total cost.

Current Yield

The annual interest income of a bond, calculated by dividing the annual interest by the current purchase price.

Bond A

A type of fixed-income investment where an investor loans money to an entity (corporate or governmental) that borrows the funds for a defined period at a variable or fixed interest rate.