A client is prescribed warfarin for the treatment of deep vein thrombosis (DVT). What is the nurse's priority teaching point regarding warfarin therapy?

"You should avoid foods high in vitamin K while on warfarin."

"Warfarin will dissolve the blood clot in your leg."

"Be sure to take your warfarin dose at the same time each day."

"You can discontinue warfarin once the symptoms of DVT disappear."

Answer and Explanation

The Correct Answer is A

A) This choice is correct. Warfarin works by inhibiting the synthesis of vitamin K-dependent clotting factors in the liver. Consistent vitamin K intake can impact the effectiveness of warfarin, so it is important for clients to maintain a stable vitamin K intake and avoid sudden changes in their diet.

B) This choice is incorrect because warfarin does not directly dissolve the blood clot in the leg. It prevents the formation of new clots and allows the body's natural mechanisms to dissolve the existing clot over time.

C) This choice is incorrect because while taking warfarin at the same time each day can help with adherence, the priority teaching point is about vitamin K intake and not the exact timing of the medication.

D) This choice is incorrect because discontinuing warfarin without medical guidance can be dangerous. Warfarin is typically prescribed for a specific duration, and its cessation should be guided by the healthcare provider based on the client's individual condition and risk factors.

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Correct Answer is D

Explanation

A) This choice is incorrect because venous Doppler ultrasound is a non-invasive imaging test commonly used to diagnose DVT. However, it is not considered the gold standard due to potential limitations in visualizing small clots and deep veins.

B) This choice is incorrect because the D-dimer blood test is a screening test used to detect the presence of blood clot breakdown products. While it can help rule out DVT when negative, it is not the definitive diagnostic test.

C) This choice is incorrect because magnetic resonance imaging (MRI) is a sensitive imaging modality but is not considered the gold standard for diagnosing DVT. MRI may be used in specific cases, but contrast venography remains the gold standard.

D) This choice is correct. Contrast venography involves injecting contrast dye into the veins and taking X-ray images to visualize the blood flow and detect any clots. It is considered the gold standard for diagnosing DVT, as it provides direct visualization of the clot and the extent of its involvement.

A. Mild leg swelling after prolonged standing. B. Redness and warmth at the site of the affected leg. C. Occasional cramping in the unaffected leg. D. Mild fatigue and generalized body aches.

Correct Answer is B

Explanation

A) This choice is incorrect because mild leg swelling after prolonged standing may be expected, especially in clients with a history of DVT. It is not a critical symptom to report immediately.

B) This choice is correct. Redness and warmth at the site of the affected leg could indicate an inflammatory response or progression of the clot. These signs may be indicative of a potential complication, such as an infection or extension of the clot, and should be reported immediately for further evaluation and intervention.

C) This choice is incorrect because occasional cramping in the unaffected leg may not be directly related to the DVT. While any changes in leg symptoms should be reported to the healthcare provider, this symptom is less urgent than redness and warmth in the affected leg.

D) This choice is incorrect because mild fatigue and generalized body aches are non-specific symptoms and may not be directly related to DVT. While it is essential to report any new or concerning symptoms, redness and warmth in the affected leg are more indicative of potential complications related to DVT.

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A client is prescribed warfarin for the treatment of deep vein thrombosis (DVT). What is the nurse's priority teaching point regarding warfarin therapy?

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Naxlex Comprehensive Predictor Exams

A nurse is explaining the diagnostic tests for deep vein thrombosis (DVT) to a client. Which test is considered the gold standard for diagnosing DVT?

Correct Answer is D

Explanation

A nurse is providing education to a client with deep vein thrombosis (DVT) about potential complications. Which symptom should the nurse instruct the client to report immediately?

Correct Answer is B

Explanation

A client is scheduled for a venous Doppler ultrasound to assess for deep vein thrombosis (DVT). What instructions should the nurse provide to the client before the procedure?

A client recently underwent surgery and is at risk of developing deep vein thrombosis (DVT). What preventive measure should the nurse recommend to the client?

A nurse is providing education to a client about the risk factors for deep vein thrombosis (DVT). Which client statement indicates an understanding of modifiable risk factors?

A nurse is caring for a client with suspected deep vein thrombosis (DVT). Which diagnostic test is used to assess blood flow and detect clots in the deep veins of the legs non-invasively?

A nurse is providing education to a client about the risk factors for deep vein thrombosis (DVT). Which statement made by the client indicates a need for further teaching?

A client with deep vein thrombosis (DVT) is prescribed enoxaparin, a low molecular weight heparin (LMWH). What is the nurse's priority action before administering the medication?

A client is admitted to the hospital with symptoms suggestive of deep vein thrombosis (DVT). Which test can provide rapid results to rule out DVT and guide further diagnostic workup?

A client with a history of deep vein thrombosis (DVT) is scheduled for a long-haul flight. What should the nurse recommend to the client as a preventive measure during the flight?