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 A
Explanation
A. Tremors: Benzodiazepine withdrawal commonly presents with tremors, anxiety, agitation, insomnia, and in severe cases, seizures.
B. Anorexia: While appetite changes may occur during withdrawal, it is not the primary manifestation.
C. Drowsiness: Drowsiness is more commonly associated with the sedative effects of diazepam rather than its withdrawal.
D. Hypotension: Withdrawal from diazepam is more likely to cause hypertension and tachycardia due to autonomic hyperactivity.
Correct Answer is C
Explanation
A. Take the patch off prior to bathing the client: It is unnecessary to remove the patch before bathing. The patch is waterproof and designed to stay on during such activities.
B. Monitor for hypertension after application of the patch: Hypotension, not hypertension, is a potential side effect of nitroglycerin due to vasodilation. Monitoring for hypotension is essential.
C. Rotate the application sites of the patch: Rotating application sites prevents skin irritation and ensures proper absorption of the medication.
D. Remove the patch every 24 hr: Nitroglycerin patches are typically removed for 10-12 hours each day to prevent tolerance but not necessarily at 24-hour intervals.
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