A client is being discharged with a prescription for warfarin. Which instruction should the nurse provide this client regarding diet?
Increase the intake of dark green leafy vegetables while taking warfarin.
Eat two servings of dark green leafy vegetables daily and continue for 30 days after warfarin therapy is completed.
Eat approximately the same amount of leafy green vegetables daily so the amount of vitamin K consumed is consistent.
Avoid eating any foods that contain any vitamin K because it is an antagonist of warfarin.
The Correct Answer is C
Choice A reason: Increasing the intake of dark green leafy vegetables while taking warfarin is not a good instruction because it can decrease the effectiveness of warfarin. Dark green leafy vegetables are rich in vitamin K, which is a coagulation factor that counteracts the anticoagulant effect of warfarin.
Choice B reason: Eating two servings of dark green leafy vegetables daily and continuing for 30 days after warfarin therapy is completed is not a good instruction because it can cause bleeding complications. Dark green leafy vegetables are rich in vitamin K, which is a coagulation factor that counteracts the anticoagulant effect of warfarin. Stopping warfarin while continuing to eat high amounts of vitamin K can increase the risk of clot formation and thromboembolism.
Choice D reason: Avoiding eating any foods that contain any vitamin K because it is an antagonist of warfarin is not a good instruction because it can cause bleeding complications. Dark green leafy vegetables are rich in vitamin K, which is a coagulation factor that counteracts the anticoagulant effect of warfarin. Eliminating vitamin K from the diet can increase the sensitivity to warfarin and cause excessive bleeding and bruising.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A is correct because a quiet, non-stimulating environment can help reduce the agitation, confusion, and hallucinations that are common in alcohol withdrawal delirium. The nurse should also provide reassurance, orientation, and safety measures to the client.
Choice B is incorrect because forcing oral fluids and providing frequent small meals are not the most important interventions for a client with alcohol withdrawal delirium. The client may have difficulty swallowing, nausea, vomiting, or diarrhea that can interfere with oral intake. The nurse should monitor the client's hydration and nutrition status and provide intravenous fluids or supplements as needed.
Choice C is incorrect because confronting the client's denial of substance abuse is not the most important intervention for a client with alcohol withdrawal delirium. The client may not be able to comprehend or accept the reality of their situation due to their altered mental state. The nurse should avoid arguing or challenging the client and focus on providing supportive care.
Choice D is incorrect because encouraging attendance and group participation are not the most important interventions for a client with alcohol withdrawal delirium. The client may not be able to participate in group activities due to their severe withdrawal symptoms and may need individualized care. The nurse should facilitate referrals to appropriate resources for substance abuse treatment when the client is stable and ready.
Correct Answer is C
Explanation
Choice A: Think about reasons the episodes occur. This is not the best instruction, as it may increase the anxiety level of the client. Thinking about reasons may trigger negative thoughts, emotions, or memories that can worsen the anxiety. The nurse should teach the client to focus on coping skills rather than causes.
Choice B: Center attention on positive upbeat music. This is not the best instruction, as it may not be effective for all clients. Listening to positive upbeat music may help distract or soothe some clients, but it may also irritate or annoy others. The nurse should teach the client to choose music that matches their mood and preference.
Choice C: Practice using muscle relaxation techniques. This is the best instruction, as it can reduce the physical symptoms of anxiety. Muscle relaxation techniques involve tensing and relaxing different muscle groups in a systematic way, which can lower blood pressure, heart rate, and breathing rate. The nurse should teach the client how to perform muscle relaxation techniques and practice them regularly.
Choice D: Find outlets for more social interaction. This is not the best instruction, as it may not be feasible or helpful for all clients. Finding outlets for more social interaction may help some clients feel supported or connected, but it may also stress or overwhelm others. The nurse should teach the client to seek social support that is appropriate and comfortable for them.
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