A nurse is teaching a client who takes warfarin daily. Which of the following statements by the client indicates a need for further teaching?

I eat a green salad every night with dinner.

I take this medication at the same time each day.

I have started taking ginger root to treat my joint stiffness.

I had my INR checked three weeks ago.

Answer and Explanation

The Correct Answer is C

Choice A reason: Eating a green salad every night with dinner is not the statement that indicates a need for further teaching. This is a consistent and balanced dietary choice for the client, as long as the amount of vitamin K in the salad is not excessive or variable. Vitamin K is a nutrient that helps the blood to clot and can interfere with the action of warfarin, which is an anticoagulant that inhibits the formation of blood clots. The client should avoid sudden changes in their intake of vitamin K and inform the provider of any dietary modifications.

Choice B reason: Taking this medication at the same time each day is not the statement that indicates a need for further teaching. This is a correct and important instruction for the client, as it helps to maintain a steady and effective level of warfarin in the blood. Warfarin has a narrow therapeutic range and requires frequent monitoring and dose adjustment. The client should take the medication as prescribed and avoid missing or skipping doses.

Choice C reason: Starting to take ginger root to treat joint stiffness is the statement that indicates a need for further teaching. This is a risky and potentially harmful herbal supplement for the client, as it can interact with warfarin and increase its anticoagulant effect. Ginger root has antiplatelet and fibrinolytic properties, which can inhibit the formation of blood clots and enhance the breakdown of fibrin, a protein that stabilizes blood clots. Taking ginger root with warfarin can increase the risk of bleeding and bruising and alter the international normalized ratio (INR), which is a measure of the blood's clotting ability. The client should avoid taking ginger root and other herbal supplements without consulting the provider.

Choice D reason: Having the INR checked three weeks ago is not the statement that indicates a need for further teaching. This is a reasonable and appropriate frequency for the client, depending on their stability and response to warfarin therapy. The INR is a blood test that measures the time it takes for the blood to clot and indicates the effectiveness of warfarin. The target INR range for most clients is 2 to 3, but it may vary depending on the indication and the risk of bleeding. The client should have their INR checked regularly and follow the provider's orders and the protocol for dose adjustment.

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Correct Answer is C

Explanation

Choice A reason: Vomiting is not a specific sign of a hemolytic reaction, as it can be caused by many other factors, such as anesthesia, infection, or medication. Vomiting may occur in other types of transfusion reactions, such as allergic or febrile reactions, but it is not indicative of hemolysis.

Choice B reason: Flushing is not a specific sign of a hemolytic reaction, as it can be caused by many other factors, such as fever, infection, or medication. Flushing may occur in other types of transfusion reactions, such as allergic or febrile reactions, but it is not indicative of hemolysis.

Choice C reason: Dyspnea is a specific sign of a hemolytic reaction, as it indicates that the client is experiencing respiratory distress due to the release of hemoglobin and its breakdown products into the bloodstream. Dyspnea may be accompanied by chest pain, cough, wheezes, or crackles. Dyspnea is a life-threatening symptom that requires immediate intervention.

Choice D reason: Hypotension is not a specific sign of a hemolytic reaction, as it can be caused by many other factors, such as blood loss, dehydration, or medication. Hypotension may occur in other types of transfusion reactions, such as septic or anaphylactic reactions, but it is not indicative of hemolysis.

A. Vitamin K B. Glucagon C. Protamine D. Iron

Correct Answer is C

Explanation

Choice A reason: Vitamin K is the antidote for warfarin, not heparin. Vitamin K reverses the effects of warfarin by increasing the synthesis of clotting factors in the liver.

Choice B reason: Glucagon is the antidote for insulin, not heparin. Glucagon increases the blood glucose level by stimulating the breakdown of glycogen in the liver.

Choice C reason: Protamine is the antidote for heparin, not vitamin K or glucagon. Protamine neutralizes the effects of heparin by binding to it and forming a stable complex.

Choice D reason: Iron is not an antidote for any anticoagulant. Iron is a mineral that is essential for the production of hemoglobin and red blood cells.

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A nurse is teaching a client who takes warfarin daily. Which of the following statements by the client indicates a need for further teaching?

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