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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Soaking the wound in an Epsom salt solution is not recommended for abscessed wounds. While Epsom salt has some potential benefits for wound healing, such as reducing inflammation and drawing out fluids, it can also be irritating to the skin and may actually worsen the abscess. Additionally, there's a risk of introducing bacteria from the Epsom salt into the wound, which could lead to further infection.
Choice B rationale:
Administering warm water sitz baths is not directly applicable to an abscessed leg wound. Sitz baths are typically used for conditions affecting the perineal area, such as hemorrhoids or postpartum discomfort. They may help to soothe and cleanse the affected area, but they would not be effective in treating an abscess on the leg.
Choice C rationale:
Applying cold moist compresses is not the most appropriate intervention for an abscessed wound. Cold compresses can help to reduce pain and inflammation, but they can also constrict blood vessels and potentially hinder the healing process. Warm compresses are generally preferred for abscesses because they can help to promote drainage and healing.
Choice D rationale:
Applying warm moist compresses is the most appropriate nursing intervention for an abscessed leg wound. Warm compresses have several beneficial effects:
They promote vasodilation, which increases blood flow to the area and helps to deliver white blood cells and other healing agents to the site of infection.
They help to soften and loosen hardened pus, making it easier for the abscess to drain.
They provide a moist environment that promotes healing and prevents the wound from drying out. They can help to reduce pain and inflammation.
Correct Answer is B
Explanation
Choice A rationale:
Echinacea: It has anti-inflammatory properties and is not typically associated with exacerbating rheumatoid arthritis symptoms. Studies have shown potential benefits in reducing inflammation, including evidence of possible effectiveness for osteoarthritis and rheumatoid arthritis. However, more research is needed to confirm its efficacy and safety in rheumatoid arthritis.
Choice B rationale:
Turmeric:
Curcumin, the active component of turmeric, has both anti-inflammatory and pro-inflammatory effects.
While it has potential benefits for some inflammatory conditions, it can also stimulate the immune system, which could worsen rheumatoid arthritis symptoms in certain individuals.
Studies have shown mixed results, with some indicating potential benefits and others suggesting a possible worsening of symptoms.
Due to this uncertainty, caution is advised, and patients with rheumatoid arthritis should consult with their healthcare providers before using turmeric supplements.
Choice C rationale:
Ginger: It has well-documented anti-inflammatory properties and is not known to exacerbate rheumatoid arthritis symptoms.
Studies have shown ginger to be potentially effective in reducing pain and inflammation in individuals with rheumatoid arthritis.
It is generally considered safe for use in this population.
Choice D rationale:
Valerian: It is a herb primarily used for its sedative and sleep-promoting effects.
It has not been shown to have any significant impact on inflammation or rheumatoid arthritis symptoms. There is no evidence to suggest that it would worsen the condition.
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