A patient who has atrial fibrillation is taking warfarin and has an INR of 2.5.The patient reports having frequent headaches and asks for an over-the-counter pain reliever.The nurse will recommend which medication?
Ibuprofen
Naproxen
Acetaminophen
Aspirin.
The Correct Answer is C
The patient reports having frequent headaches and asks for an over-the-counter pain reliever. The nurse will recommend acetaminophen, which is the safest pain reliever while taking warfarin. Acetaminophen does not interfere with the anticoagulant effect of warfarin and does not increase the risk of bleeding.
Choice A is wrong because ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can enhance the anticoagulant effect of warfarin and increase the likelihood of harmful bleeding.
NSAIDs can also cause stomach ulcers, kidney damage, and high blood pressure.
Choice B is wrong because naproxen is another NSAID that has the same risks as ibuprofen.
Naproxen should be avoided by patients taking warfarin.
Choice D is wrong because aspirin is also an anticoagulant that can increase the risk of bleeding when taken with warfarin.
Aspirin can also cause stomach irritation, ulcers, and allergic reactions.
The normal range for INR is 2 to 3 for patients with atrial fibrillation who are taking warfarin.
An INR of 2.5 indicates that the patient’s blood is taking longer to clot than normal, but not too long.
The patient should have regular blood tests to monitor their INR and adjust their warfarin dose if needed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","E"]
Explanation
The nurse should include headache and dyspnea as potential adverse effects of bivalirudin.According to the drug information from various sources, bivalirudin can cause common side effects such as headache, nausea, low or high blood pressure, chest pain, abdominal pain, and shortness of breath (dyspnea).
These side effects should be reported to the provider if they are severe or persistent.
Choice B is wrong because fever is not a common side effect of bivalirudin.
However, fever can be a sign of infection or an allergic reaction to the drug, which should be reported to the provider immediately.
Choice C is wrong because chest pain is not an adverse effect of bivalirudin, but rather a symptom of angina, which is one of the conditions that bivalirudin is used to treat.
Chest pain can also indicate a heart attack or other serious cardiac problems, which require immediate medical attention.
Choice D is wrong because backache is not a common side effect of bivalirudin.
However, backache can be a sign of bleeding in the kidneys or other organs, which can be a serious complication of bivalirudin therapy.
Therefore, any unusual pain or swelling in the back or abdomen should be reported to the provider as soon as possible.
Correct Answer is ["A","C"]
Explanation
Heparin is an anticoagulant that inhibits blood clotting and prevents harmful clots from forming in blood vessels.However, heparin can also cause some serious side effects, such as bleeding, bruising, low platelet count, allergic reactions, and osteoporosis.
Therefore, patients who are at a high risk for developing these adverse effects should be monitored closely and have their heparin dose adjusted accordingly.
Choice A is correct because a patient who is post-op day 1 from brain surgery has a high risk of bleeding from the surgical site or intracranially.Heparin can increase this risk and cause life-threatening hemorrhage.
Therefore, this patient should not receive heparin unless absolutely necessary and under strict supervision.
Choice B is wrong because a patient with a pulmonary embolism (PE) is a candidate for heparin therapy.
A PE is a blood clot that blocks the blood flow to the lungs and can cause respiratory failure and death.Heparin can prevent the clot from becoming larger and causing more damage, and also prevent new clots from forming.
Therefore, this patient would benefit from heparin therapy and is not at a high risk of adverse effects.
Choice C is correct because a patient with active peptic ulcer disease (PUD) has a high risk of bleeding from the stomach or duodenum.
PUD is a condition where the lining of the digestive tract is eroded by stomach acid and bacteria.Heparin can worsen this condition and cause ulcer bleeding or perforation.
Therefore, this patient should avoid heparin therapy unless absolutely necessary and under strict supervision.
Choice D is wrong because a patient with uncontrolled atrial fibrillation (AF) is a candidate for heparin therapy.
AF is an irregular heartbeat that can cause blood clots to form in the heart chambers and travel to other organs, such as the brain or lungs.Heparin can prevent these clots from forming and reduce the risk of stroke or PE.
Therefore, this patient would benefit from heparin therapy and is not at a high risk of adverse effects.
Normal ranges of heparin depend on the type of heparin used (unfractionated heparin or low molecular weight heparin), the method of administration (intravenous or subcutaneous), and the indication for use (prophylaxis or treatment).Generally, the therapeutic range for heparin level is 0.3 - 0.7 U/mL, measured by anti-Xa assay.However, this range may vary depending on the pregnancy stage and the type of heparin used.The dose of heparin should be individualized according to the results of suitable laboratory tests and clinical response.
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