After assisting a patient with the use of an epinephrine auto-injector, you note that the patient's blood pressure has improved. As a knowledgeable EMT, you realize that this effect occurred due to epinephrine's ability to:

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Prehospital Emergency Care Practice Test: Handling Allergic and Anaphylactic Reactions — practice the complete quiz, review flashcards, or try a random question.

Emergency medical services (EMTs) respond to allergic reactions by laying the person flat, giving them an adrenaline injector, calling an ambulance, and calling family or emergency contact. The first-line treatment for anaphylaxis is an epinephrine auto-injector, which is a self-injectable medication. The auto-injector has instructions on the side of its packaging.  Anaphylaxis is a sudden, severe allergic reaction that can be life-threatening. It involves more than one body system and can cause the airway to swell and close, making breathing difficult or impossible. Symptoms... Show more

After assisting a patient with the use of an epinephrine auto-injector, you note that the patient's blood pressure has improved. As a knowledgeable EMT, you realize that this effect occurred due to epinephrine's ability to: