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 D

Explanation

D. This statement exemplifies the ethical principle of fidelity, also known as faithfulness or commitment. Fidelity involves keeping promises, being reliable, and fulfilling commitments made to patients. By returning promptly with the pain medication as promised, the nurse demonstrates fidelity by honoring their commitment to the patient's care and comfort.

A. This statement reflects the ethical principle of justice, which emphasizes fairness and equality in treatment for all patients. Justice ensures that resources and treatments are distributed fairly among individuals.

B This statement demonstrates the ethical principle of nonmaleficence, which focuses on preventing harm and minimizing risks to patients. It emphasizes the nurse's commitment to avoiding harm or injury to the patient.

C. This statement relates to truth-telling or veracity, which involves providing honest and accurate information to patients about their care, procedures, and potential outcomes. It reflects transparency and respect for patient autonomy.

A. nonmaleficence. B. justice. C. fidelity. D. autonomy.

Correct Answer is A

Explanation

A. This principle emphasizes the duty to do no harm. In the case of the client undergoing chemotherapy and experiencing severe side effects that significantly reduce their quality of life, the principle of nonmaleficence comes into question. Chemotherapy, while aimed at treating cancer, often causes substantial side effects that can impact a patient's well-being

BThis principle relates to fairness and equality in the distribution of resources, treatments, and outcomes. In the context of cancer treatment, justice could be considered in terms of ensuring equitable access to chemotherapy and supportive care, regardless of socioeconomic status or other factors.

C Fidelity refers to the duty to be faithful, keep promises, and maintain trust in the patient-nurse relationship. In this context, fidelity would involve the nurse advocating for the client's best interests, including addressing their concerns about the severe side effects of chemotherapy and their impact on quality of life.

D. Autonomy refers to respecting the right of the patient to make their own decisions about their care and treatment. In the context of cancer treatment, autonomy would involve ensuring that the client has sufficient information about their condition, prognosis, treatment options, and potential side effects to make informed decisions. However, autonomy may also be challenged when severe side effects significantly impact the client's ability to maintain their desired quality of life despite ongoing treatment.

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

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Naxlex Comprehensive Predictor Exams

A nurse is considering ethical principles during rounds. Which nursing statement demonstrates the principle of fidelity?

Correct Answer is D

Explanation

Correct Answer is A

Explanation

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