Which statements are true regarding peripherally inserted central catheters (PICCs)? Select all that apply.

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 patient with gram-negative sepsis is in the ICU after cardiac arrest. He requires a vasopressor for severe hypotension. Which patient characteristic would prompt the nurse to hold the infusion and contact the provider?