Comprehensive Nursing Pharmacology Q 30

---

A client with bell’s palsy tells the nurse that acetaminophen (Tylenol) is taken daily as prescribed by the physician. Which laboratory value would indicate a toxicity of the medication?

  

     A. Blood urea nitrogen of 60 mg/dl.

     B. Total bilirubin of 1.5 mg/dl.

     C. Alkaline phosphatase of 120 IU/L.

     D. Direct bilirubin of 0.3 mg/dl.

    

    

Correct Answer: A. Blood urea nitrogen of 60 mg/dl.

---

Acetaminophen is hepatotoxic. Among the choices, the blood urea nitrogen is elevated. The normal value of BUA is between 7 to 20 mg/dL (2.5 to 7.1 mmol/L).

---

Options B, C, & D: All of these are normal values.

---