NURS 3100 Exam 1 Practice

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When a large initial dose of a drug is given, which effect is being achieved?

To achieve a therapeutic dose more quickly
To cause fewer side effects
To overcome drug resistance
To prevent drug interactions

The correct answer is: To achieve a therapeutic dose more quickly

When a large initial dose of a drug is given, the intention is to achieve a therapeutic dose more quickly. This is especially important when there is an urgent need for the drug to reach its desired effect promptly. By administering a large initial dose, the drug concentration in the bloodstream rises rapidly, aiming to reach the therapeutic range faster than if a smaller initial dose were given. This approach is commonly seen with medications used to manage acute conditions or emergencies where time is of the essence. In contrast, the other options are not accurate in this context: - Administering a large initial dose does not necessarily cause fewer side effects; in fact, it may increase the risk of side effects due to the higher concentration of the drug in the body. - Providing a large initial dose does not address drug resistance. Drug resistance is a complex phenomenon related to factors such as genetics, microbial evolution, and patient non-compliance. - Preventing drug interactions is related to ensuring that multiple drugs do not interact in harmful ways when taken together, which is not the primary goal of administering a large initial dose of a drug.