Probenecid Is Sometimes Given to Patients Taking Penicillin to Prolong

question 8

Multiple Choice

Probenecid is sometimes given to patients taking penicillin to prolong the penicillin half-life and thus enhance plasma levels of penicillin.This is a desirable example of which of the following effects?

• A) Additive effect
• B) Antagonistic effect
• C) Synergistic effect
• D) Drug interaction

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Definitions:

Contribution Margin

A financial metric that represents the difference between the sales revenue of a product and the variable costs associated with producing that product.

Break-Even Point

The financial position at which total revenues equal total costs and expenses, with no net profit or loss, often used to analyze the viability of a business or project.

Variable Cost

Costs that change in proportion to the level of goods or services that a business produces, as opposed to fixed costs which remain constant regardless of production volume.

Contribution Rate

The percentage or amount that is contributed to a retirement or investment plan, usually on a regular basis, by an employer, employee, or both.