which of the following lab values indicates a patient on warfarin is at a therapeutic level
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Nursing Elites

ATI RN

ATI RN Comprehensive Exit Exam

1. 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.

2. A nurse is caring for a client who has schizophrenia. Which of the following findings should the nurse expect?

Correct answer: B

Rationale: The correct answer is B: Inability to identify common objects. Clients with schizophrenia often experience cognitive deficits, such as difficulty in identifying common objects. This can be attributed to impairments in perception and cognition. Choices A, C, and D are not typically associated with schizophrenia. Decreased level of consciousness is more indicative of conditions like head injuries or metabolic disturbances. Preoccupation with somatic disturbances is commonly seen in somatic symptom disorders, not schizophrenia. Poor problem-solving ability is a characteristic of conditions affecting executive functioning like dementia, rather than schizophrenia.

3. A client with a history of heart failure is receiving furosemide. Which of the following laboratory values should the nurse monitor?

Correct answer: C

Rationale: The correct answer is C: Potassium 3.2 mEq/L. A potassium level of 3.2 mEq/L is below the normal range and should be monitored in clients receiving furosemide due to the risk of hypokalemia. Furosemide is a loop diuretic that can cause potassium depletion, leading to hypokalemia. Monitoring potassium levels is crucial to prevent complications such as cardiac arrhythmias. Choices A, B, and D are not directly impacted by furosemide therapy in the same way as potassium levels, making them less relevant for monitoring in this scenario.

4. A nurse is teaching a client who has a new prescription for lisinopril. Which of the following statements should the nurse include?

Correct answer: D

Rationale: The correct statement to include when teaching a client prescribed with lisinopril is that they should avoid using salt substitutes while taking this medication. Lisinopril can cause hyperkalemia, which is an elevated level of potassium in the blood. Therefore, using salt substitutes that contain potassium can worsen this condition. Choices A, B, and C are incorrect because lisinopril is not typically associated with causing a dry cough or a slow heart rate, and increasing potassium intake can be harmful in the presence of lisinopril-induced hyperkalemia.

5. A healthcare provider is caring for a client who has asthma and is experiencing wheezing. Which of the following medications should the healthcare provider administer?

Correct answer: C

Rationale: Albuterol is a short-acting beta-agonist bronchodilator used to quickly relieve bronchospasm in clients with asthma who are experiencing wheezing. Fluticasone is an inhaled corticosteroid used for long-term control of asthma symptoms and not for acute wheezing. Montelukast is a leukotriene receptor antagonist used for long-term asthma management, not for immediate relief of wheezing. Ipratropium is an anticholinergic bronchodilator used for chronic obstructive pulmonary disease (COPD) and not typically used as the first-line treatment for asthma exacerbation.

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