a patient who was unable to provide a medication history was admitted to the unit. The patient is receiving penicillin for treatment of an infection. the patient begins to wheeze. upon assessing the patient, the nurse finds an edematous airway, bronchoconstriction, and a blood pressure of 88/47 mm Hg. What should the nurse do first?
administer epinephrine (adrenalin) to reverse the allergic reaction.