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. Individuals with borderline personality disorder may exhibit behavior that generates conflict among staff members or within their interpersonal relationships. They may have difficulty regulating emotions, experience intense mood swings, and engage in impulsive or manipulative behaviors that contribute to conflicts with others.
A. Individuals with borderline personality disorder often struggle with interpersonal relationships and may have difficulty maintaining stable and healthy connections with others.
C. Suspiciousness of others is not a primary characteristic of borderline personality disorder.
D. Bizarre speech patterns are not typically associated with borderline personality disorder.

Correct Answer is C
Explanation
C. Constricted pupils, also known as miosis, are a classic sign of opioid intoxication. Opioids act on opioid receptors in the brainstem, which can lead to pupillary constriction.
A. Lability of mood refers to rapid and unpredictable changes in mood, which is not a typical finding in opioid intoxication.
B. Hypervigilance is not typically associated with opioid intoxication. Instead, opioid intoxication tends to cause CNS depression, leading to symptoms such as drowsiness, sedation, and impaired consciousness.
D. Opioid intoxication typically causes respiratory depression rather than increased respirations. Opioids depress the central respiratory drive, leading to shallow, slow, or irregular breathing patterns.
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