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

Answer and Explanation

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.

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Correct Answer is D

Explanation

A. Administer naloxone: Naloxone is used for opioid overdoses, not acetaminophen.
B. Monitor amylase and lipase: This is not necessary for acetaminophen overdose.
C. Obtain a chest x-ray: This is unnecessary unless there is suspicion of aspiration or trauma.
D. Give acetylcysteine: Acetylcysteine is the antidote for acetaminophen overdose and helps prevent liver damage.

A. Quadrivalent human papillomavirus B. Rotavirus C. Pneumococcal conjugate D. Hepatitis B

Correct Answer is A

Explanation

A. Quadrivalent human papillomavirus: HPV vaccine is recommended for children aged 11-12 years to prevent certain types of HPV-related cancers.
B. Rotavirus: This vaccine is given to infants; it is not indicated for an 11-year-old.
C. Pneumococcal conjugate: This is typically completed in early childhood; not part of the routine schedule for an 11-year-old.
D. Hepatitis B: Typically administered during infancy, unless the child is unvaccinated or at high risk.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is A

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