A nurse is caring for a client who is experiencing warfarin toxicity. Which of the following medications should the nurse administer?
Protamine sulfate
Vitamin K
Calcium gluconate
Acetylcysteine
The Correct Answer is B
A. Protamine sulfate: Protamine sulfate is used to reverse the effects of heparin, not warfarin. Administering it in warfarin toxicity would not effectively counteract the anticoagulant effect and could delay appropriate treatment.
B. Vitamin K: Vitamin K is the antidote for warfarin toxicity. It promotes synthesis of clotting factors II, VII, IX, and X, which are inhibited by warfarin, helping to restore normal coagulation and reduce the risk of bleeding.
C. Calcium gluconate: Calcium gluconate is primarily used to treat hypocalcemia or cardiac effects of hyperkalemia. It does not reverse warfarin-induced anticoagulation and would not address the underlying risk of bleeding.
D. Acetylcysteine: Acetylcysteine is an antidote for acetaminophen toxicity and works by replenishing glutathione. It has no effect on warfarin metabolism or clotting factor synthesis, making it inappropriate for this scenario.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
A. Heart rate: The increase from 88/min to 110/min indicates tachycardia, which can be an early sign of hypovolemia, infection, or sepsis. When combined with hypotension and fever, this finding suggests possible postoperative complications requiring urgent evaluation.
B. Pedal pulses: Bilateral pedal pulses remain 2+, indicating adequate peripheral perfusion at this time. This finding is stable and does not suggest acute circulatory compromise requiring immediate follow-up.
C. Breath sounds: Breath sounds are clear and unchanged from admission, suggesting no current pulmonary complication such as atelectasis or pneumonia. This finding does not indicate an urgent problem.
D. Abdominal dressing: A sudden increase to a large amount of serosanguinous drainage after the client felt something “pop” raises concern for wound dehiscence or possible evisceration. This is a surgical emergency requiring immediate assessment and intervention.
E. Respiratory rate: The respiratory rate has increased from 18/min to 24/min, indicating tachypnea. This may reflect pain, infection, or developing sepsis and warrants prompt follow-up in the postoperative client.
F. Oxygen saturation: Oxygen saturation remains within an acceptable range at 95% on room air. Although it should continue to be monitored, it does not currently indicate acute respiratory compromise.
Correct Answer is A
Explanation
A. Garlic: Garlic has been shown to have lipid-lowering properties, helping reduce total cholesterol and low-density lipoprotein (LDL) levels. It is commonly recommended as an adjunct to lifestyle modifications for clients with hypercholesterolemia. Its use should be monitored for interactions with anticoagulants or antiplatelet medications.
B. Valerian root: Valerian root is primarily used for promoting relaxation and improving sleep quality. It does not have evidence supporting cholesterol-lowering effects and would not address elevated lipid levels.
C. Saw palmetto: Saw palmetto is used mainly to manage benign prostatic hyperplasia (BPH) symptoms in men. It does not influence cholesterol metabolism or lipid profiles and is not indicated for hypercholesterolemia.
D. Aloe: Aloe is typically used for skin conditions or as a laxative. While it has some antioxidant properties, it is not effective in lowering cholesterol and is not recommended for managing hyperlipidemia.
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