The 70-kg patient has an order to receive vancomycin 10 mg/kg intravenously every 12 hours. Pharmacy dispenses the vancomycin in 25 mL vials, which contain 100 mg of vancomycin each. How many milliliters of medication does the nurse administer per dose?

The 12-year-old child is brought to the emergency room after being bitten by a family friend’s tarantula. The child is healthy and has received all scheduled vaccinations. Which medication must be given as soon as possible?

The patient with acquired immunodeficiency syndrome who has been noncompliant with highly active antiretroviral therapy (HAART) presents to the emergency department with a productive cough, fever, night sweats, and weight loss. The patient’s chest x-ray reveals diffuse infiltrates bilaterally and the CD4 count is 182 cells/µL. Which question by the nurse is most important?