a nurse is caring for a client who has a new prescription for warfarin which of the following laboratory values should the nurse monitor to determine
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Nursing Elites

ATI RN

ATI Exit Exam 2023

1. A nurse is caring for a client who has a new prescription for warfarin. Which of the following laboratory values should the nurse monitor to determine the effectiveness of the medication?

Correct answer: D

Rationale: The correct answer is D, International normalized ratio (INR). INR is used to monitor the therapeutic effect of warfarin, an anticoagulant medication. Warfarin works by inhibiting the synthesis of vitamin K-dependent clotting factors. Monitoring the INR helps assess how well the medication is working to prevent blood clots. Choices A, B, and C are not specific indicators for monitoring the effectiveness of warfarin. Hemoglobin levels primarily assess the oxygen-carrying capacity of red blood cells, platelet count evaluates the clotting ability of blood, and PT measures the time it takes for blood to clot. While these values are important for overall health assessment, they do not directly reflect the anticoagulant effects of warfarin.

2. A nurse is providing discharge teaching to a client who has a new prescription for digoxin. Which of the following statements by the client indicates an understanding of the teaching?

Correct answer: A

Rationale: The correct answer is A. Taking the pulse before taking digoxin is crucial as it helps monitor the heart rate, as digoxin can cause bradycardia as a side effect. Option B is incorrect because digoxin should be taken on an empty stomach to enhance absorption. Option C is incorrect because digoxin should be held and the healthcare provider should be contacted if the heart rate is less than 60/min. Option D is incorrect because digoxin should not be taken with food due to decreased absorption.

3. A nurse is caring for a client who is 2 hours postoperative following a cholecystectomy. Which of the following actions should the nurse take to prevent postoperative complications?

Correct answer: B

Rationale: The correct answer is B: Have the client wear sequential compression devices (SCDs). Following a cholecystectomy, the client is at risk for venous thromboembolism (VTE) due to reduced mobility and surgical stress. SCDs help prevent VTE by promoting venous return and reducing the risk of blood clots. Choices A, C, and D are incorrect. While deep breathing and coughing exercises are essential postoperatively, SCDs take precedence in preventing VTE. Placing the client in a supine position with the head of the bed flat can increase the risk of respiratory complications. Encouraging ambulation is important, but SCDs are a higher priority in this situation to prevent VTE.

4. Which of the following lab values indicates a patient on warfarin is at a therapeutic level?

Correct answer: C

Rationale: An INR of 2.5 indicates a therapeutic level for a patient on warfarin. The INR (International Normalized Ratio) is the most accurate way to monitor and adjust warfarin doses. An INR of 1.1 (Choice A) is below the therapeutic range, indicating a need for an increased dose. PT (Prothrombin Time) of 12 seconds (Choice B) is not specific for warfarin therapy monitoring. Platelet count (Choice D) is not directly related to monitoring warfarin therapy.

5. A nurse is providing dietary teaching to a client with irritable bowel syndrome. Which of the following recommendations should the nurse include?

Correct answer: A

Rationale: The correct answer is A: Consume foods high in bran fiber. Bran fiber helps alleviate symptoms of irritable bowel syndrome by promoting regular bowel movements. Choice B is incorrect as increasing intake of milk products may exacerbate symptoms in some individuals with irritable bowel syndrome who are lactose intolerant. Choice C is incorrect as fructose corn syrup may worsen symptoms due to its high fructose content, which can be poorly absorbed in some individuals with irritable bowel syndrome. Choice D is incorrect as increasing foods high in gluten may be problematic for individuals with irritable bowel syndrome who have gluten sensitivity or celiac disease.

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