Which statement accurately describes patient tolerance to medications?

The patient will require a stable dose of the medication until the drug is discontinued.

Tolerance occurs when the liver or kidneys are no longer able to metabolize the drug.

The patient will continually require higher doses of the drug for the same effect to be achieved.

Tolerance only develops when the patients do not take the medication as it is prescribed.

Answer and Explanation

The Correct Answer is C

Choice A rationale:

Incorrect. Patients who develop tolerance to a medication do not typically maintain a stable dose over time. Instead, they often require increasing doses to achieve the same effect.

Physiological adaptation: The body adapts to the presence of the medication, leading to a decreased response over time. This adaptation can occur at various levels, including receptor downregulation, changes in enzyme activity, or alterations in neurotransmitter release.

Individual variability: The rate and extent of tolerance development vary significantly among individuals, influenced by factors such as genetics, age, overall health, and medication type.

Choice B rationale:

Incorrect. Impaired liver or kidney function can affect drug metabolism and elimination, but this is not the primary mechanism of tolerance.

Metabolic impairment: Liver or kidney dysfunction can lead to drug accumulation in the body, potentially increasing the risk of side effects or toxicity. However, this does not necessarily cause tolerance, which is a specific phenomenon of decreased responsiveness to the medication's effects.

Choice C rationale:

Correct. This statement accurately describes the hallmark characteristic of tolerance.

Dose escalation: As tolerance develops, patients often require higher doses of the medication to achieve the same therapeutic effect. This can lead to a cycle of increasing doses and potential risks of adverse effects.

Clinical implications: Tolerance is a significant consideration in medication management, as it can affect treatment efficacy, adherence, and the risk of side effects.

Choice D rationale:

Incorrect. Tolerance can develop even when patients adhere strictly to their prescribed medication regimen. It is a physiological phenomenon that is not solely dependent on patient behavior.

Adherence vs. tolerance: While non-adherence can contribute to treatment failure, it is not the underlying cause of tolerance.

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Correct Answer is C

Explanation

Choice A rationale:

Inaccurate statement: While herbal supplements are derived from plant materials, this does not inherently guarantee their safety or non-toxicity. Some plants contain potent compounds that can have adverse effects, even in small doses.

Lack of regulation: Herbal supplements are not regulated by the FDA in the same way as prescription medications. This means that there is no guarantee of their purity, potency, or consistency.

Potential for interactions: Herbal supplements can interact with prescription medications, potentially leading to harmful side effects.

Choice B rationale:

Cost-related issue: The cost of herbal supplements can vary widely. While some may be less expensive than prescription medications, others can be quite costly.

Misleading focus: Emphasizing cost as a primary factor could lead patients to prioritize affordability over safety and effectiveness.

Choice C rationale:

Addresses quality concerns: This response directly addresses the lack of stringent quality standards for herbal supplements, highlighting a significant safety concern.

Encourages informed decision-making: This response encourages patients to carefully consider the potential risks and benefits of herbal supplements, prompting them to seek reliable information and discuss their choices with healthcare providers.

Choice D rationale:

Convenience vs. safety: While the convenience of herbal supplements may be appealing, this response does not address the potential safety concerns associated with their use.

Potential for misuse: Highlighting convenience could lead to patients using herbal supplements inappropriately or without necessary guidance from healthcare professionals.

A. Standing order B. PRN order C. Single order D. Stat order

Correct Answer is A

Explanation

Choice A rationale:

Standing orders are pre-approved orders that nurses can implement for specific patient situations without requiring a new order from a provider each time. They are designed to streamline care, promote efficiency, and ensure consistency in treatment. In this case, the standing order for EKGs on all cardiac unit admissions serves several key purposes:

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Which statement accurately describes patient tolerance to medications?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

If a patient opts for an herbal supplement over a prescribed medication, what would be the nurse’s best response?

Correct Answer is C

Explanation

A patient is admitted to the cardiac unit.Everyone admitted to the cardiac unit will have an EKG done unless otherwise ordered. This is an example of which type of order?

Correct Answer is A

Explanation

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