The patient newly diagnosed with idiopathic pulmonary arterial hypertension is prescribed bosentan. The result of which test is most important for the nurse to verify prior to administering the medication?

A 5-year-old boy presents with recent ingestion of an entire bottle of chewable pediatric acetaminophen. The child’s mother learned of the ingestion two hours after it occurred and immediately brought the child to the closest emergency department an hour away. The patient weighs 41 pounds. Which of the following prescriptions should the nurse most likely anticipate initially?

The nurse is assigned to care for a patient with a history of pulmonary embolism who is on anticoagulation therapy. The patient takes warfarin and her last INR check was therapeutic. Which of the following statements about warfarin is most accurate?