which lab value is most critical to monitor in a patient receiving digoxin
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Nursing Elites

ATI RN

ATI RN Exit Exam

1. Which lab value is most critical to monitor in a patient receiving digoxin?

Correct answer: A

Rationale: The correct answer is to monitor potassium levels in a patient receiving digoxin. Hypokalemia can potentiate the toxic effects of digoxin, leading to serious cardiac arrhythmias. Monitoring potassium levels helps prevent toxicity. Monitoring sodium levels (Choice B), calcium levels (Choice C), and magnesium levels (Choice D) are also important aspects of patient care, but potassium levels are most critical in patients on digoxin therapy.

2. Which lab value should be closely monitored for a patient receiving heparin therapy?

Correct answer: A

Rationale: The correct answer is to monitor aPTT. Activated Partial Thromboplastin Time (aPTT) is crucial to monitor when a patient is receiving heparin therapy. Heparin works by potentiating antithrombin III, leading to the inhibition of thrombin and factor Xa. Monitoring aPTT helps ensure the patient is within the therapeutic range for heparin, reducing the risk of bleeding complications. Monitoring INR (Choice B) is more relevant for patients on warfarin therapy. Monitoring potassium (Choice C) and sodium levels (Choice D) is important but not specific to heparin therapy.

3. A nurse is providing discharge teaching to a client who has a new diagnosis of heart failure. Which of the following client statements indicates an understanding of the teaching?

Correct answer: A

Rationale: The corrected answer is A. Weighing daily is crucial for clients with heart failure to monitor fluid status since sudden weight gain can indicate fluid retention. Choice B is incorrect because excessive water intake can worsen fluid retention in heart failure. Choice C is incorrect as some physical activity is encouraged for heart failure clients, tailored to their condition. Choice D is incorrect as adjusting medication doses should always be done under healthcare provider guidance rather than self-administration.

4. A group of newly licensed nurses is being taught about client advocacy by a nurse. Which of the following statements by a newly licensed nurse indicates an understanding of the teaching?

Correct answer: B

Rationale: The correct answer is B because advocating for a client should not be dependent on the client's ability to ask for it personally. Advocacy is crucial to ensure clients' rights are upheld, especially when they are unable to express their wishes. Choice A is incorrect as intervening in a conflict may not always be advocating for the client's best interests. Choice C is incorrect because the family should not make health care decisions for the client without their input. Choice D is incorrect as it disregards the importance of client autonomy and involvement in decision-making.

5. A client who has a new diagnosis of hypertension is being taught about dietary modifications by a nurse. Which of the following instructions should the nurse include?

Correct answer: B

Rationale: The correct answer is B: 'Increase your intake of whole grains.' Whole grains are beneficial for individuals with hypertension as they can help promote heart health. Whole grains are high in fiber, which can help lower blood pressure. Option A is incorrect as fluid intake should be adequate but not restricted to 2 liters per day. Option C is incorrect as it is recommended to have smaller, more frequent meals rather than 3 large meals to help manage hypertension. Option D is incorrect; although foods high in potassium can be beneficial for hypertension, the most appropriate dietary modification to include in this scenario is increasing whole grain intake.

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