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

Ginkgo biloba

Coenzyme QIO

Valerian

Probiotics

Answer and Explanation

The Correct Answer is A

Ginkgo biloba is a form of alternative medicine that is used due to its antioxidants and cardiovascular benefits. In addition to these, it has antiplatelet effects which increases the risk of bleeding when used concurrently with anticoagulants such as in clients receiving warfarin

Coenzyme QIO, Valerian and probiotics have no notable interactions with warfarin

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Correct Answer is A

Explanation

Epinephrine is administered as a priority in anaphylactic reaction to counter the mechanism of the reaction. Epinephrine helps to reverse the severe allergic response by constricting blood vessels, relaxing smooth muscles in the lungs to improve breathing, and reducing swelling and hives. It is typically administered intramuscularly (IM) into the thigh.

B-Replacing the infusion is important to maintain intravascular volume and blood pressure in the event of hypotension associated with the anaphylactic reaction but not a priority

C-Diphenhydramine helps in managing the cutaneous allergic manifestations but does not address the life-threatening effects

D-Elevation of the client’s feet and legs is not necessary

A. Sildenafil B. Gemfibrozil C. Lansoprazole D. Diazepam

Correct Answer is A

Explanation

Both sildenafil and nitroglycerin are vasodilators and can lead to severe hypotension when used together. Sildenafil acts by inhibiting phosphodiesterase 5 (PDE 5), an enzyme that breaks down cGMP, which regulates blood flow in the penis. The medication also results in the dilation of blood vessels in the lungs, which is beneficial for treating pulmonary arterial hypertension.
B, C, D- No interactions with nitroglycerin

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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 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 A

Explanation

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Correct Answer is A

Explanation

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