If 750 Mg of Potassium-42 Was Administered to a Patient at at 10

question 49

Multiple Choice

If 75.0 mg of potassium-42 was administered to a patient at 10 AM on Monday,how many mg will remain at 10 AM on Thursday of that same week? The half life of K-42 is 12 hours.

• A)37.5 mg
• B)1.17 mg
• C)18.8 mg
• D)9.38 mg

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Definitions:

Variable Expenses

Expenses that change in proportion to the activity of a business such as production volume or sales.

Fixed Expenses

Costs that do not change in total despite fluctuations in the volume of goods or services produced or sold.

Break-Even Point

The point at which total costs and total revenue are equal, meaning no profit or loss is generated.

Profit

The financial gain realized when the revenue generated from business activities exceeds the expenses, taxes, and costs incurred in sustaining business operations.