Which statement indicates that the nurse understands what the half-life of a drug means?

Drugs with a short half-life have a greater risk for toxicity

Half-life is not affected by renal or hepatic function

if a medication has a long half-life. dosage times can be longer intervals & the drug remains effective

Half of the effective portion of the drug is metabolized by the liver

Answer and Explanation

The Correct Answer is C

C. The half-life of a drug refers to the time it takes for the concentration of the drug in the bloodstream to be reduced by half. If a medication has a long half-life, it means that it stays in the body for a longer period before being eliminated. This allows for less frequent dosing intervals while still maintaining therapeutic effectiveness.

A. Drugs with a short half-life are typically cleared from the body more quickly. While they may require more frequent dosing to maintain therapeutic levels, they do not necessarily have a greater risk for toxicity compared to drugs with longer half-lives. In fact, drugs with longer half-lives can accumulate in the body over time, potentially increasing the risk of toxicity.

B. The half-life of a drug can be significantly influenced by renal (kidney) and hepatic (liver) function. Impaired renal or hepatic function can prolong the half-life of a drug, leading to slower elimination and potentially increased risk of adverse effects.

D. This statement describes the concept of drug metabolism rather than the half-life. Drug metabolism refers to the biochemical alteration of drugs by enzymes, often occurring in the liver. The half-life, on the other hand, specifically relates to the elimination of the drug from the body.

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Correct Answer is B

Explanation

B. This is the best response. It demonstrates empathy, active listening, and a willingness to understand the client's emotions. By inviting the client to express their feelings further, the nurse creates an opportunity for therapeutic communication and can better assess how to support the client emotionally.

A. This response dismisses the client's feelings of anger and sadness and may come across as minimizing their emotions. It does not acknowledge the client's current state of distress or provide validation for their feelings.

C. This response expresses empathy and acknowledges the client's feelings, which is important. However, it may seem somewhat passive and could benefit from further exploration or invitation for the client to elaborate on their feelings.

D. This response is dismissive and judgmental. It may make the client feel invalidated or criticized for expressing their emotions, which can further escalate feelings of anger or distress.

A. "I will not give this substance because i did not prepare B. “Since it is an emergency, how fast should I push this medication? C. “I need to flush the saline lock first to make sure the IV is patent D. "I will give it, but please write the order as soon as you're finished here"

Correct Answer is B

Explanation

B. This response acknowledges the urgency of the situation and seeks clarification on the appropriate administration technique. It demonstrates readiness to follow through with the medical resident's directive while ensuring safe and effective administration.

A. This response reflects hesitation and a concern about administering a medication that the nurse did not prepare or is unfamiliar with. In a critical situation like a "code blue," timely administration of medications as directed by the medical team is crucial for patient outcomes.

C. Checking IV patency is important to ensure the medication can be administered properly. However, in a "code blue" situation where time is critical, this step might unnecessarily delay administration of the medication.

D. This response indicates willingness to follow the directive given by the medical resident. It also emphasizes the importance of documenting and obtaining proper orders after the immediate crisis has been addressed.

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Which statement indicates that the nurse understands what the half-life of a drug means?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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