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?

D-dimer blood test.

Magnetic resonance imaging (MRI).

Contrast venography.

Venous Doppler ultrasound.

Answer and Explanation

The Correct Answer is D

A) This choice is incorrect because the D-dimer blood test is a screening test for DVT but does not directly assess blood flow or detect clots non-invasively.

B) This choice is incorrect because magnetic resonance imaging (MRI) is a sensitive imaging modality, but it may not be readily available or suitable for all clients. It is not the primary choice for non-invasive assessment of blood flow and clots in suspected DVT.

C) This choice is incorrect because contrast venography is an invasive procedure involving the injection of contrast dye and X-ray imaging. It is not non-invasive, and venous Doppler ultrasound is a preferred first-line test.

D) This choice is correct. Venous Doppler ultrasound is a non-invasive imaging test used to assess blood flow in the veins and detect clots in the deep veins of the legs. It is readily available, safe, and does not involve the use of contrast dye or radiation.

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Correct Answer is D

Explanation

A) This choice is incorrect because DVT is not caused by a bacterial infection in the blood vessels. It is primarily related to the formation of blood clots within the veins due to various risk factors.

B) This choice is incorrect because while injuries may be associated with DVT in some cases, they are not the primary cause. The formation of blood clots in the veins remains the underlying cause.

C) This choice is incorrect because atherosclerosis in the arteries is not the main cause of DVT. Atherosclerosis is a condition that involves the buildup of plaque in the arteries, not the veins.

D) This choice is correct. Deep vein thrombosis (DVT) is primarily caused by the formation of blood clots within the veins, typically in the lower extremities. These clots can obstruct blood flow and may lead to serious complications if not treated promptly.

A. Monitoring the client's prothrombin time (PT) and international normalized ratio (INR). B. Assessing the client's liver function regularly. C. Administering heparin via a central venous catheter. D. Monitoring the client's activated partial thromboplastin time (aPTT).

Correct Answer is D

Explanation

A) This choice is incorrect because monitoring prothrombin time (PT) and international normalized ratio (INR) is more relevant to monitoring oral anticoagulant therapy (e.g., warfarin) and not intravenous heparin therapy.

B) This choice is incorrect because while liver function tests may be important for some medications, they are not the priority for clients on intravenous heparin therapy. Heparin is primarily eliminated by the kidneys.

C) This choice is incorrect because while administering heparin via a central venous catheter is possible, it is not the priority action for safe administration. Monitoring the client's response to heparin therapy is more important.

D) This choice is correct. Monitoring the client's activated partial thromboplastin time (aPTT) is the priority action when administering intravenous heparin. The aPTT reflects the client's response to heparin and helps adjust the dosage to achieve the desired therapeutic effect while minimizing the risk of bleeding.

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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?

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is D

Explanation

A nurse is caring for a client receiving intravenous (IV) heparin therapy for deep vein thrombosis (DVT). What is the nurse's priority action to ensure safe administration of the medication?

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?

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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 client is admitted to the emergency department with symptoms suggestive of deep vein thrombosis (DVT). Which non-modifiable risk factor should the nurse identify based on the client's health history?

A client with deep vein thrombosis (DVT) is prescribed anticoagulant therapy. What is the nurse's priority action in monitoring the client's response to the medication?

A client presents with swelling, redness, and warmth in one leg. The nurse suspects deep vein thrombosis (DVT). What initial assessment should the nurse perform to confirm the presence of DVT?

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