A client who has atrial fibrillation is prescribed warfarin therapy. Which of the following statements by the client indicates an understanding of the medication?
“I should avoid foods that are high in vitamin K.”
“I should take this medication with food.”
“I should report any unusual bleeding or bruising to my provider.”
“I should avoid taking aspirin while taking this medication.”.
The Correct Answer is C
“I should report any unusual bleeding or bruising to my provider.” This statement indicates that the client understands that warfarin is an anticoagulant that can increase the risk of bleeding and that any signs of bleeding should be reported promptly. Warfarin works by inhibiting the synthesis of vitamin K-dependent clotting factors, so the client should monitor their intake of vitamin K, but not avoid it completely. Warfarin can be taken with or without food, so choice B is not correct.
Aspirin is also an anticoagulant and can increase the risk of bleeding when taken with warfarin, so the client should avoid taking it unless prescribed by the provider
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Related Questions
Correct Answer is ["A","B"]
Explanation
Vitamin K and fresh frozen plasma are both used to reverse the effects of warfarin and stop the bleeding.Vitamin K is a cofactor for the synthesis of clotting factors in the liver, and fresh frozen plasma contains clotting factors that can replenish the depleted ones.
Choice C is wrong because protamine sulfate is an antidote for heparin, not warfarin.Choice D is wrong because factor IX complex concentrate is used to treat hemophilia B, not warfarin-induced bleeding.
Choice E is wrong because tranexamic acid is an antifibrinolytic agent that prevents the breakdown of clots, but does not reverse the effects of warfarin.
Normal ranges for PT (prothrombin time) and INR (international normalized ratio) are 11 to 13.5 seconds and 0.8 to 1.2, respectively.Warfarin therapy aims to prolong the PT and INR to prevent clot formation.
Correct Answer is C
Explanation
This statement indicates that the client understands that warfarin is a blood thinner that can increase the risk of bleeding and that any signs of bleeding should be reported to the provider promptly.The client may need to have their blood tested to check the level of anticoagulation and adjust their warfarin dose accordingly.
Choice A is wrong because the client should not avoid foods that are high in vitamin K, but rather keep their intake of vitamin K consistent.
Vitamin K is needed for the production of clotting factors and warfarin works by blocking its action.If the client changes their vitamin K intake, it can affect the effectiveness of warfarin and increase the risk of clotting or bleeding.
Choice B is wrong because warfarin can be taken with or without food.Food does not affect the absorption or metabolism of warfarin.
Choice D is wrong because the client should avoid taking aspirin while taking warfarin, unless prescribed by their provider.
Aspirin is another blood thinner that works by inhibiting platelets.Taking both warfarin and aspirin can increase the risk of bleeding significantly, especially in older adults.
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