A nurse is caring for a patient who has been prescribed enoxaparin (Lovenox) subcutaneously for prophylaxis against deep vein thrombosis (DVT). The nurse should instruct the patient to:

Avoid foods that are high in vitamin K.

Administer injections into areas with decreased subcutaneous tissue.

Massage injection sites after administration.

Use a soft-bristled toothbrush.

Answer and Explanation

The Correct Answer is D

The correct answer is choice D) Use a soft-bristled toothbrush.

This is because enoxaparin (Lovenox) is an anticoagulant that prevents blood clots by thinning the blood. Therefore, patients who take enoxaparin should avoid activities that can cause bleeding, such as using a hard-bristled toothbrush, flossing, shaving, or cutting their nails.

Choice A) Avoid foods that are high in vitamin K is wrong because vitamin K interacts with warfarin, another anticoagulant, but not with enoxaparin. Vitamin K helps the blood clot, so patients who take warfarin should avoid foods that are high in vitamin K, such as leafy green vegetables, broccoli, or liver.

Choice B) Administer injections into areas with decreased subcutaneous tissue is wrong because enoxaparin should be injected into areas with adequate subcutaneous tissue, such as the abdomen or the thighs. Injecting into areas with decreased subcutaneous tissue can cause bruising, pain, or hematoma formation.

Choice C) Massage injection sites after administration is wrong because massaging the injection sites can cause bleeding, bruising, or irritation. Patients who take enoxaparin should not rub or press on the injection sites after administration.

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Correct Answer is ["A","C","D"]

Explanation

Warfarin (Coumadin) is a blood thinner that prevents blood clots from forming or growing larger.

It is used to treat or prevent deep vein thrombosis (DVT), a condition in which a blood clot forms in a vein deep in the body, usually in the legs.

It can also prevent pulmonary embolism (PE), a condition in which a blood clot breaks off and travels to the lungs, blocking blood flow and causing breathing problems.

Patients taking warfarin should follow these instructions:

• Avoid foods that are high in vitamin K.

Vitamin K is needed for the production of some clotting factors in the liver.

Warfarin blocks the action of vitamin K, and thus reduces the clotting ability of the blood.

However, if the intake of vitamin K varies significantly from day to day, it can affect the stability of the warfarin effect.Foods that are high in vitamin K include green leafy vegetables, such as spinach, kale, broccoli, cabbage, and lettuce, as well as some vegetable oils, such as soybean and canola.Patients should not avoid these foods completely, but they should keep their intake consistent and inform their doctor or pharmacist if they make any changes to their diet.

• Report any unusual bleeding to healthcare provider.

Warfarin can increase the risk of bleeding, especially if the dose is too high or if it interacts with other medications or supplements.Patients should notify their doctor or seek emergency care if they have any signs of bleeding, such as bruising, red or black stools, blood in the urine, coughing up blood, vomiting blood, nosebleeds, heavy menstrual bleeding, headaches, dizziness, weakness, or swelling.They should also inform their doctor of any other medications or supplements they are taking, including over-the-counter products and herbal remedies.

• Use an electric razor when shaving.

Warfarin can make the skin more prone to bleeding from minor cuts or injuries.

Patients should use an electric razor when shaving to reduce the risk of nicking themselves and causing bleeding.They should also use a soft toothbrush and avoid flossing if it causes bleeding.They should wear gloves when handling sharp objects or working in the garden.

Choice B and E are wrong because:

• Take aspirin for pain relief.

Aspirin is a medication that also prevents blood clots by inhibiting platelets, which are cells that stick together to form clots.Taking aspirin with warfarin can increase the risk of bleeding significantly and is not recommended unless prescribed by a doctor for a specific reason.Patients should avoid taking aspirin or other nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, for pain relief unless advised by their doctor.They should also check the labels of any over-the-counter medications or supplements they use and avoid those that contain aspirin or NSAIDs.

• Wear shoes that fit well and avoid tight clothing.

This instruction is not related to warfarin therapy and does not affect its efficacy or safety.

However, it may be a general advice for patients with DVT to prevent further complications or discomfort.Wearing shoes that fit well and avoiding tight clothing can help improve blood circulation in the legs and prevent swelling or pain.Patients with DVT should also elevate their legs when possible and wear compression stockings if prescribed by their doctor.

A. Avoid applying pressure to needleless access sites after giving medications. B. Monitor neurologic status every 15 minutes during and after infusion. C. Administer heparin when partial thromboplastin time (PTT) is less than 70 seconds. D. Give aspirin when platelet count is greater than 150,000/mm3.

Correct Answer is B

Explanation

This is because alteplase [Activase] is a thrombolytic drug that dissolves blood clots and can cause bleeding complications, especially intracranial hemorrhage.Neurologic assessment is essential to detect any signs of bleeding in the brain, such as altered level of consciousness, headache, or focal deficits.

Choice A is wrong because applying pressure to needleless access sites after giving medications is a standard precaution to prevent bleeding and infection.It is not specific to alteplase [Activase] therapy.

Choice C is wrong because administering heparin when partial thromboplastin time (PTT) is less than 70 seconds is not recommended for patients who have received alteplase [Activase].

Heparin is an anticoagulant that can increase the risk of bleeding and should be used with caution in patients who have received thrombolytic therapy.The PTT should be monitored closely and heparin should be withheld if the PTT is above the therapeutic range.

Choice D is wrong because giving aspirin when platelet count is greater than 150,000/mm3 is not indicated for patients who have received alteplase [Activase].

Aspirin is an antiplatelet drug that can also increase the risk of bleeding and should be avoided in patients who have received thrombolytic therapy.

The platelet count should be monitored closely and aspirin should be withheld if the platelet count is below the normal range (150,000 to 450,000/mm3).

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A nurse is caring for a patient who has been prescribed enoxaparin (Lovenox) subcutaneously for prophylaxis against deep vein thrombosis (DVT). The nurse should instruct the patient to:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has been prescribed warfarin (Coumadin) for treatment of deep vein thrombosis (DVT). Which of the following instructions should the nurse include in patient teaching? Select all that apply.

Correct Answer is ["A","C","D"]

Explanation

The nurse is caring for a patient who has received alteplase [Activase]. It is most important for the nurse to take which action?

Correct Answer is B

Explanation

A patient has been prescribed rivaroxaban (Xarelto) for deep vein thrombosis (DVT). Which statement by the patient indicates understanding of medication teaching?

A nurse is caring for a client who is receiving argatroban IV for HIT and requires urgent surgery. The nurse should stop the infusion at least how many hours before the surgery?

A nurse is caring for a client who has pulmonary embolism and is receiving alteplase via continuous IV infusion.The nurse should monitor for which adverse effects of this medication? (Select all that apply.)

A nurse is caring for a patient who has been prescribed enoxaparin (Lovenox) subcutaneously for prophylaxis against deep vein thrombosis (DVT). The nurse should instruct the patient to:

A nurse is caring for a client who has atrial fibrillation and is receiving warfarin therapy to prevent thromboembolism formation. The nurse should monitor which of the following laboratory values to determine the effectiveness of the medication?

A nurse is caring for a patient who has been prescribed apixaban (Eliquis) for deep vein thrombosis (DVT). Which instructions should be included in patient teaching? Select all that apply.

Which patients below would be at a HIGH risk for developing adverse effects of Heparin drug therapy? Select all that apply: