The patient is admitted to the hospital with systemic syphilis infection. The patient is ordered to receive a 14-day course of penicillin G 20 million units/day intravenously. Prior to administering the medication, the nurse checks the patient’s allergies and learns the patient experienced anaphylaxis after receiving ampicillin. Which action does the nurse take?

The nurse is assigned to care for a 31-year-old male with a past medical history significant for long-standing diabetes mellitus and hypertension. Current medications are metformin, furosemide, and captopril. Laboratory tests reveal serum potassium of 3.2 mEq/L, so the patient is started on spironolactone. The nurse provides education about which side effect of therapy?

The patient with angina and claudication with walking is prescribed isosorbide dinitrate (Isordil). The nurse bases medication teaching on which understanding of the drug's mechanism of action?