Dialysis Filters Out Unwanted Elements from the Blood, Usually Removed

question 18

Multiple Choice

Dialysis filters out unwanted elements from the blood, usually removed by healthy kidneys; thus

• A) dialysis is considered a cure for kidney failure.
• B) the body's proper fluid, electrolyte, and acid-base balance is maintained.
• C) dialysis is never used until the symptoms of ultimately fatal uremia develop.
• D) all of the above.

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Definitions:

Optimal Quantity

The amount of a product or service that achieves the best balance between costs and benefits, maximizing utility or profit.

Extract

To remove or take out something by physical or chemical process, often used in reference to natural resources.

Interest Rates

The cost of borrowing money or the return on invested funds, typically expressed as a percentage of the principal amount per year.

User Cost

The cost associated with the use of a product or service, including purchase cost, maintenance, and operating expenses, as well as opportunity costs.