A nurse is preparing to administer a daily dose of warfarin to a client. Which of the following laboratory values should the nurse check prior to administration?
WBC
INR
Platelets
АPTT
The Correct Answer is B
A. WBC: White blood cell count is unrelated to warfarin therapy.
B. INR: Warfarin’s anticoagulant effect is monitored using the International Normalized Ratio (INR). A therapeutic INR range is typically 2–3 for most indications.
C. Platelets: While platelets are important for overall clotting, INR is the specific measure for warfarin.
D. APTT: Activated partial thromboplastin time (APTT) is used to monitor heparin, not warfarin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Decreased triglycerides: Allopurinol is not used to treat triglyceride levels.
B. Decreased uric acid: Allopurinol works by decreasing uric acid levels, which is important in the treatment of gout.
C. Increased albumin: Allopurinol does not directly affect albumin levels.
D. Increased potassium: Allopurinol does not have a direct effect on potassium levels.
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C"}
Explanation
Rationale:
The client’s blood pressure of 80/46 mm Hg indicates hypotension, likely due to dehydration from persistent diarrhea. This is the most critical finding, as it can lead to organ hypoperfusion and shock if not addressed immediately. After stabilizing the client’s blood pressure, the nurse should address the client’s low potassium level (3.1 mEq/L), as hypokalemia can cause serious complications, including cardiac arrhythmias.
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