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 C reason: This is the correct answer because eating approximately the same amount of leafy green vegetables daily so the amount of vitamin K consumed is consistent is a good instruction because it can help maintain a stable therapeutic level of warfarin. Dark green leafy vegetables are rich in vitamin K, which is a coagulation factor that counteracts the anticoagulant effect of warfarin. Keeping a consistent intake of vitamin K can help avoid fluctuations in warfarin's effect and prevent bleeding or clotting episodes.
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 D
Explanation
Choice A reason: A 14-year-old client with anorexia nervosa who is refusing to eat the evening snack. This client does not require immediate attention, as refusing to eat is a common behavior for clients with anorexia nervosa. The nurse should monitor the client's nutritional intake and weight, and provide education and support.
Choice B reason: An 18-year-old client with antisocial behavior who is being yelled at by other clients. This client does not require immediate attention, as being yelled at by other clients is not a life-threatening situation. The nurse should intervene to maintain a safe and therapeutic environment, and set limits on the client's disruptive behavior.
Choice C reason: A 16-year-old client diagnosed with major depression who refuses to participate in group. This client does not require immediate attention, as refusing to participate in group is a common symptom of depression. The nurse should encourage the client to join the group, and offer individual counseling and medication as needed.
Choice D reason: A 17-year-old client diagnosed with bipolar disorder who is pacing around the lobby. This client requires immediate attention, as pacing around the lobby may indicate that the client is experiencing mania, which can lead to impulsivity, aggression, or self-harm. The nurse should assess the client's mood, behavior, and thought process, and administer medication as prescribed.
Correct Answer is D
Explanation
Choice A reason: Administering a half dose now is not a safe instruction for the nurse to provide, as this can result in overdosing or underdosing the infant, depending on how much of the medicine was absorbed or expelled. This is a contraindicated choice.
Choice B reason: Giving another dose is not a prudent instruction for the nurse to provide, as this can cause digoxin toxicity, which can be life-threatening for the infant. This is another contraindicated choice.
Choice C reason: Mixing the next dose with food is not a relevant instruction for the nurse to provide, as this does not address the current situation and can affect the absorption and effectiveness of digoxin. This is a distractor choice.
Choice D reason: Withholding this dose is a sensible instruction for the nurse to provide, as this can prevent adverse effects and allow the infant's serum digoxin level to be checked before giving another dose. Therefore, this is the correct choice.
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