A nurse is caring for a client who is taking warfarin and reports taking several new herbal supplements. The nurse should identify that which of the following supplements is contraindicated for concurrent use with warfarin?

Probiotics

Coenzyme Q10

Valerian

Ginkgo biloba

Answer and Explanation

The Correct Answer is D

A.   Probiotics do not typically interact with warfarin. They generally affect gut health and are not known to have significant effects on blood clotting mechanisms.
B.   Coenzyme Q10 has minimal effects on warfarin metabolism. It is mainly involved in cellular energy production and does not significantly alter coagulation.
C.   Valerian primarily affects the central nervous system and has no significant interaction with warfarin. It is mainly used for its sedative properties and does not interfere with blood thinning.
D.   Ginkgo biloba can increase the risk of bleeding when taken with warfarin due to its antiplatelet effects. This supplement inhibits platelet aggregation, which can significantly enhance the anticoagulant effects of warfarin, raising the risk of hemorrhage.

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Correct Answer is D

Explanation

A. Blood pressure within this range is not a contraindication for warfarin administration.
B. A history of artificial heart valve, is actually an indication for warfarin, not a contraindication, as it helps prevent thromboembolic events.
C. Heart rate within this range is not a contraindication for warfarin administration.

D. Warfarin is an anticoagulant that works by inhibiting the synthesis of vitamin K- dependent clotting factors. Therefore, a decreased level of vitamin K would potentiate the effects of warfarin, increasing the risk of bleeding, which is a contraindication for its use.

A. The medication can cause nausea, so take with a meal." B. "This medication can make you light-headed if you stand up too quickly from a seated or lying position." C. "You may initially notice an increase in involuntary movements." D. "Consumption of a high protein meal can reduce the effectiveness of the medication E. "You can experience vivid nightmares." F. "You may notice your urine becomes lighter in color."

Correct Answer is ["A","B","C","D","E"]

Explanation

A. Levodopa/Carbidopa can cause nausea, and taking it with food can help mitigate this side effect. However, it's important to avoid high-protein meals which can interfere with the medication's absorption.
B. Levodopa/Carbidopa can cause orthostatic hypotension, leading to dizziness or light-headedness when standing up quickly. Advising the client to rise slowly can help prevent falls.
C. This is a potential side effect, but it is not as immediate or common as other side effects. It can occur with prolonged use and higher doses.
D. High-protein meals can interfere with the absorption of Levodopa, making it less effective. Clients should be advised to avoid high-protein meals close to the time they take their medication.
E. Vivid dreams or nightmares are a known side effect of Levodopa/Carbidopa. This is consistent with the client's report of having trouble sleeping due to nightmares.
F. Levodopa can cause urine to become darker, not lighter. This is not typically a cause for concern but is a side effect clients should be aware of.

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A nurse is caring for a client who is taking warfarin and reports taking several new herbal supplements. The nurse should identify that which of the following supplements is contraindicated for concurrent use with warfarin?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is ["A","B","C","D","E"]

Explanation

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