A client who has been anticoagulated with warfarin (Coumadin) has been admitted for gastrointestinal bleeding. The history and physical examination indicates that the client may have been taken too much warfarin. The nurse anticipates that client will receive which antidote?
Potassium chloride
Vitamin E
Protamine sulfate
Vitamin K
The Correct Answer is D
A. Potassium chloride is used to treat hypokalemia, not as a warfarin antidote.
B. Vitamin E does not counteract warfarin’s effects and may increase bleeding risk.
C. Protamine sulfate is the antidote for heparin, not warfarin.
D. Vitamin K is the appropriate antidote for excessive warfarin, as it promotes the synthesis of clotting factors inhibited by warfarin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Blood glucose elevation is a concern for statins, but it is not a primary reason for questioning the order.
B. A history of high cholesterol is common and would not trigger concern regarding lovastatin.
C. Lovastatin can cause liver toxicity, so elevated liver enzymes are a contraindication or cause for concern when prescribing this medication. The nurse should verify this before starting the medication.
D. A history of peptic ulcers is unrelated to the use of lovastatin and would not be a concern in this case.
Correct Answer is B
Explanation
A. Digoxin is used to control the heart rate in atrial fibrillation but does not directly prevent the common complication of thromboembolism.
B. Warfarin is an anticoagulant used to prevent thromboembolic complications, such as stroke, which are common in atrial fibrillation due to the formation of clots in the atria.
C. Furosemide is a diuretic used to manage fluid retention, often in heart failure, but it does not prevent thromboembolism.
D. Lisinopril is an ACE inhibitor used to manage hypertension and heart failure, but it does not prevent thromboembolic complications.
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