It is important that nurses ensure that their patients receive education regarding herbal products because:
Labeling is not always reliable and herbal products should be used with caution.
Herbal products are approved under strict FDA regulations.
There are so few side effects, and they can be purchased without a prescription.
The manufacturer has repeatedly demonstrated effectiveness.
The Correct Answer is A
A. Labeling is not always reliable and herbal products should be used with caution. Herbal products are not subject to the same rigorous regulations and testing as pharmaceutical drugs. Therefore, their labeling may not always be accurate or comprehensive. Patients need to be aware of potential risks, interactions, and variations in potency associated with herbal products. Education helps patients make informed decisions and use these products safely.
B. Herbal products are approved under strict FDA regulations. This statement is false. Unlike pharmaceutical drugs, herbal products are regulated as dietary supplements in the United States and are not subject to the same level of scrutiny and approval processes by the FDA. While the FDA regulates the manufacturing and labeling of dietary supplements, including herbal products, the standards are not as strict as those for prescription or over-the-counter medications.
C. There are so few side effects, and they can be purchased without a prescription. This statement is misleading and potentially dangerous. Herbal products can indeed have side effects and interactions with medications, and their safety profiles vary widely. Additionally, the availability of herbal products without a prescription does not necessarily imply safety. Patients need education to understand potential risks and benefits associated with herbal product use.
D. The manufacturer has repeatedly demonstrated effectiveness. This statement is unsubstantiated and may not be true for all herbal products. Unlike pharmaceutical drugs, herbal products often lack extensive scientific evidence supporting their effectiveness for specific indications. While some manufacturers may conduct studies to support their products' efficacy, the evidence may be limited or inconclusive. Patients need education to critically evaluate claims of effectiveness and make informed decisions about herbal product use.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Diminished effect from warfarin: This is unlikely because displacement of warfarin from protein binding sites would increase its concentration in the bloodstream, potentially leading to increased anticoagulant effects and toxicity.
B. Diminished effect from paroxetine: This is also unlikely because displacement of paroxetine from protein binding sites would increase its concentration in the bloodstream, potentially leading to increased pharmacological effects and toxicity.
C. Increased effect, and toxicity from paroxetine: If paroxetine displaces warfarin from protein binding sites, it can increase the concentration of free warfarin in the bloodstream, leading to increased anticoagulant effects and potential toxicity.
D. Increased effect, and toxicity from warfarin: Correct. If warfarin is displaced from protein binding sites by paroxetine, it can increase the concentration of free warfarin in the bloodstream, leading to increased anticoagulant effects and potential toxicity.
Correct Answer is B
Explanation
A. The client sprinkles flaxseeds on breakfast food every day. Flaxseeds contain omega-3 fatty acids, which can have antithrombotic effects. However, their impact on INR (International Normalized Ratio), the measure of warfarin's anticoagulant effect, is not well-established. While it's important to monitor the client's dietary intake of foods rich in vitamin K or those with potential antithrombotic effects, such as flaxseeds, this is not the priority finding among the options provided.
B. The client keeps a small supply of vitamin K tablets on hand for emergency use. This is the correct answer. Vitamin K is the antidote for warfarin, and the client should not keep a supply of vitamin K tablets on hand for emergency use. Warfarin's anticoagulant effect is carefully monitored through regular INR checks, and adjustments to the dosage are made accordingly. The presence of vitamin K tablets suggests a potential risk of self-adjusting warfarin dosage, which can lead to fluctuations in INR levels and increase the risk of thromboembolic or bleeding events.
C. The client uses garlic as a daily dietary supplement. Garlic is known to have potential antithrombotic effects and can interact with warfarin, increasing the risk of bleeding. However, its impact on INR levels may vary among individuals. While it's important to consider the use of garlic as a dietary supplement, it is not the priority finding among the options provided.
D. The client consistently eats fish for dinner twice weekly. Fish consumption, particularly those rich in omega-3 fatty acids such as salmon or mackerel, can have antithrombotic effects and may affect INR levels. However, the client's consistent fish consumption is less likely to have a significant impact on warfarin therapy compared to the potential self-administration of vitamin K tablets.
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