You Are Asked to Calculate the Creatinine Clearance Rate for a Patient

question 10

Multiple Choice

You are asked to calculate the creatinine clearance rate for a patient and are presented with the following data: $\begin{array}{|l|l|}\hline\text { Urine Creatinine } & 1.75 \mathrm{mg} / \mathrm{dL} \\\hline \text { Plasma Creatinine } & 3.22 \mathrm{mg} / \mathrm{dL} \\\hline \text { Surface area of patient's body } & 42 \mathrm{~m}^{2} \\\hline\end{array}$
What other information do you need to calculate the creatinine clearance for this patient?

• A) The total volume of the patient
• B) The total volume of the patient's plasma
• C) The total volume of the plasma sample
• D) The total volume of the urine sample

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Definitions:

Constant Cost Industry

An industry in which the costs of production do not change as the industry's output changes.

Natural Monopoly

A market situation in which the average costs of production continually decline with increased output. In a natural monopoly, the average costs of production will be lowest when a single, large firm produces the entire output demanded by the marketplace.

Perfectly Elastic

Perfectly elastic refers to a situation in economic theory where the quantity demanded or supplied of a good changes infinitely in response to any change in price.

Price-taker Industry

An industry in which companies have no control over the prices they charge because these prices are determined by the overall supply and demand in the market.