The nurse is caring for a client who takes warfarin 10 mg PO daily and several herbal remedies. The nurse would be most concerned that the use of which herb would enhance the anticoagulant effects of warfarin?
Ginkgo
Dandelion
Acai
Zinc
The Correct Answer is A
A. Ginkgo biloba has been reported to have anticoagulant properties and may potentiate the effects of warfarin, increasing the risk of bleeding. Therefore, individuals taking warfarin should exercise caution when using ginkgo supplements and be monitored closely for signs of bleeding or changes in anticoagulant response.
B. Dandelion is not known to directly affect blood clotting or the action of warfarin.
C. Acai berry is a fruit commonly consumed for its potential antioxidant properties and health benefits. There is limited scientific evidence regarding the interaction between acai and warfarin.
D. Zinc supplementation is generally considered safe for most individuals and there is limited evidence to suggest that zinc significantly enhances the anticoagulant effects of warfarin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
B. Tricyclic antidepressants (TCAs) are known to take some time before their full therapeutic effects are realized, which can indeed be up to four weeks. This delay is due to the gradual changes they induce in the brain's biochemistry.
A. TCAs can cause a variety of side effects but hypomania and recent memory impairment are not typically associated with these medications.
C. TCAs do not have a known interaction with antianxiety agents that would prohibit their concurrent use.
D. The restriction on eating strong or aged cheese is associated with another class of antidepressants known as monoamine oxidase inhibitors (MAOIs), not TCAs.
Correct Answer is B
Explanation
B. Clients taking disulfiram should avoid all forms of alcohol, including alcoholic beverages such as beer, wine, and spirits. Consuming alcohol while taking disulfiram can lead to a severe and potentially life-threatening reaction known as the disulfiram-alcohol reaction.
A. Anchovies are not specifically contraindicated with disulfiram.
C. Grapefruit juice is not typically contraindicated with disulfiram.
D. Spinach is not specifically contraindicated with disulfiram. There is no known interaction between disulfiram and spinach.
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