which lab value is critical for monitoring warfarin therapy
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Nursing Elites

ATI RN

ATI RN Comprehensive Exit Exam

1. Which lab value is critical for monitoring warfarin therapy?

Correct answer: A

Rationale: The correct answer is A: Monitor INR. INR (International Normalized Ratio) is crucial for monitoring warfarin therapy as it helps assess the therapeutic effectiveness and bleeding risks associated with the medication. INR measures the clotting tendency of blood, which is essential in determining the appropriate dosage of warfarin. Monitoring platelet count (B), sodium levels (C), or calcium levels (D) is not primarily used for assessing warfarin therapy. Platelet count is more relevant in assessing bleeding disorders, while sodium and calcium levels are typically monitored for different medical conditions unrelated to warfarin therapy.

2. Which assessment finding is most concerning in a patient receiving morphine?

Correct answer: C

Rationale: The correct answer is C, respiratory depression. When a patient is receiving morphine, respiratory depression is the most concerning side effect because it can lead to serious complications, including respiratory arrest and even death. Monitoring the patient's respiratory status is crucial to ensure early detection of any signs of respiratory depression. Choices A, B, and D are incorrect because although hypotension, bradycardia, and hypertension can occur as side effects of morphine, they are not as immediately life-threatening as respiratory depression in this context.

3. A client taking haloperidol is exhibiting extrapyramidal symptoms. Which intervention should the nurse anticipate?

Correct answer: B

Rationale: The correct intervention for a client exhibiting extrapyramidal symptoms while taking haloperidol is to administer benztropine. Benztropine is an anticholinergic medication commonly used to manage extrapyramidal symptoms caused by antipsychotic medications like haloperidol. Increasing the dose of haloperidol (Choice A) would exacerbate the symptoms rather than alleviate them. Administering naloxone (Choice C) is not indicated for extrapyramidal symptoms. Monitoring blood pressure (Choice D) is important but not the primary intervention for managing extrapyramidal symptoms.

4. A nurse is planning care for a client who is postoperative following abdominal surgery. Which of the following interventions should the nurse implement to prevent respiratory complications?

Correct answer: C

Rationale: The correct answer is C. Encouraging the client to use an incentive spirometer every hour is crucial to prevent respiratory complications postoperatively. Incentive spirometry helps in lung expansion and prevents atelectasis, which is common after abdominal surgery. Choice A, encouraging ambulation, is important for preventing complications but does not directly address respiratory issues. Choice B, deep breathing and coughing every hour, is also beneficial but not as effective in preventing atelectasis as using an incentive spirometer. Choice D, instructing the client to avoid coughing, is incorrect as coughing helps clear secretions and prevent respiratory complications.

5. A nurse in an emergency department completes an assessment on an adolescent client with conduct disorder. The client threatened suicide to a teacher at school. Which of the following statements should the nurse include in the assessment?

Correct answer: C

Rationale: Asking about alcohol intake is crucial in assessing the client's risk factors and behaviors, especially in the context of a suicide threat. Understanding alcohol consumption patterns can help the nurse evaluate potential substance abuse issues and their impact on the client's mental health. Choices A, B, and D are less pertinent to the immediate concern of assessing suicide risk and conduct disorder symptoms.

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