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 A

Explanation

A) This choice is correct. Performing calf-stretching exercises in the aisle can help improve blood circulation in the legs during a long flight and reduce the risk of stasis and clot formation.

B) This choice is incorrect because using a heating pad on the legs during a flight may not be feasible or safe. It is not a recommended preventive measure for DVT.

C) This choice is incorrect because wearing compression stockings during the flight is a recommended preventive measure for DVT. Compression stockings help improve blood flow and reduce the risk of clot formation during prolonged immobility.

D) This choice is incorrect because taking prescribed anticoagulant medication before boarding a flight is not a recommended preventive measure for all clients. The decision to take anticoagulant medication before a flight should be based on the client's individual risk factors and medical history.

A. Venous Doppler ultrasound. B. D-dimer blood test. C. Magnetic resonance imaging (MRI). D. Contrast venography.

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.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is A

Explanation

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 assessing a client with suspected deep vein thrombosis (DVT). Which diagnostic test should the nurse anticipate to confirm the presence of DVT?

A client with a history of deep vein thrombosis (DVT) asks the nurse about the causes of this condition. What is the nurse's best response?

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 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 is at high risk for deep vein thrombosis (DVT) due to immobility. What should the nurse implement as a preventive measure for this client?

A client with deep vein thrombosis (DVT) is at risk of developing a pulmonary embolism. What assessment finding should the nurse prioritize to detect potential complications?

A nurse is caring for a client with deep vein thrombosis (DVT). What is the primary goal of treatment for this client?

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?