A nurse is reviewing the medication list of a client who is prescribed dabigatran and has a history of peptic ulcer disease. The nurse should recognize that which of the following medications can increase the risk of bleeding in this client?
Omeprazole
Ranitidine
Sucralfate
Misoprostol.
The Correct Answer is A
Omeprazole is a proton pump inhibitor (PPI) that reduces the production of stomach acid.
Dabigatran is an anticoagulant that prevents blood clots from forming.
Both drugs can increase the risk of bleeding in the gastrointestinal tract, especially in clients with peptic ulcer disease. Therefore, they should not be used together unless absolutely necessary.
Choice B. Ranitidine is wrong because ranitidine is a histamine-2 receptor antagonist (H2RA) that also reduces the production of stomach acid, but to a lesser extent than PPIs. Ranitidine does not interact significantly with dabigatran and does not increase the risk of bleeding.
Choice C. Sucralfate is wrong because sucralfate is a mucosal protectant that forms a barrier over ulcers and protects them from acid and enzymes. Sucralfate does not affect the coagulation system and does not increase the risk of bleeding.
Choice D. Misoprostol is wrong because misoprostol is a synthetic prostaglandin that inhibits gastric acid secretion and increases bicarbonate and mucus production.
Misoprostol is used to prevent ulcers in clients who take NSAIDs, which can cause ulcers and bleeding.
Misoprostol does not interact with dabigatran and does not increase the risk of bleeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","E"]
Explanation
The nurse would need to know the patient’s weight and aPTT level before starting the IV continuous Heparin drip.
Here is why:
• Weight: Heparin dosing is based on the patient’s weight, so the nurse would want to make sure the documented weight of the patient is current and accurate.The initial bolus and infusion rate are calculated using the patient’s weight in kilograms.
• aPTT: Heparin works by enhancing the activation of antithrombin III, which prevents the activation of thrombin and the conversion of fibrinogen to fibrin.Heparin affects the intrinsic pathway of clotting, and its therapeutic effect is monitored by measuring the activated partial thromboplastin time (aPTT).The normal range for aPTT is about 30-40 seconds, and the therapeutic range for Heparin is 1.5-2.5 times the normal value.The nurse would need to check the baseline aPTT before starting the drip, and then collect an aPTT level every 6 hours per protocol to adjust the infusion rate as needed.
The other choices are wrong because:
• Vital signs: Although vital signs are important to monitor for any patient, they are not specific to Heparin therapy.Heparin does not affect blood pressure, heart rate, respiratory rate, or temperature directly.
• PT/INR: These are coagulation tests that measure the extrinsic pathway of clotting, which is affected by Vitamin K antagonists such as Warfarin.Heparin does not affect the PT/INR levels, so they are not relevant for Heparin therapy.
• EKG: An electrocardiogram (EKG) is a test that measures the electrical activity of the heart.It can help diagnose cardiac arrhythmias, ischemia, infarction, electrolyte imbalances, and other cardiac conditions.
Heparin does not affect the electrical conduction of the heart, so an EKG is not necessary before starting Heparin therapy
Correct Answer is B
Explanation
Argatroban is a direct thrombin inhibitor (DTI) that is used as an alternative anticoagulant for patients with heparin-induced thrombocytopenia (HIT) who require urgent surgery. Argatroban has a half-life of about 40 to 50 minutes and is cleared by the liver.The infusion should be stopped at least 4 hours before the surgery to allow adequate time for the anticoagulant effect to wear off.The activated partial thromboplastin time (aPTT) should be monitored before and after the infusion to assess the degree of anticoagulation.
Choice A is wrong because 2 hours is not enough time to stop the argatroban infusion before surgery.
The patient may still have a high risk of bleeding if the aPTT is prolonged.
Choice C is wrong because 6 hours is longer than necessary to stop the argatroban infusion before surgery.
The patient may have a higher risk of thrombosis if the anticoagulation effect is too low.
Choice D is wrong because 8 hours is much longer than necessary to stop the argatroban infusion before surgery.
The patient may have a very low level of anticoagulation and a high risk of thrombosis if the infusion is stopped for too long.
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