A young adult patient with phenylketonuria who is taking tyrosine supplements complains of severe headaches. Which of the following responses by the nurse is most appropriate?

The patient with a severe peanut allergy was inadvertently exposed to peanuts at work. Dyspnea persists despite the patient using the epinephrine autoinjector and emergency medical services was contacted. Which concentration of epinephrine does the first responder prepare for intramuscular injection?

The 68-year-old patient is admitted after 3 days of extremely foul-smelling watery diarrhea with a temperature of 37.8°C, heart rate 122 bpm, and blood pressure 96/50 mmHg. The patient’s recent medical history is significant for being treated 2 weeks ago for a diverticulitis flare-up. Upon assessment, the patient is pale, diaphoretic, and has a tense, distended abdomen that he does not guard with palpation. Lab studies reveal an elevated creatinine (1.9 mg/dL), high white blood cell count (20,000 cells/mL), and normal hemoglobin and hematocrit. Which medication does the nurse administer without further discussion with the provider?