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EMT chapter 18- BW

QuestionAnswer
Allergen A substance that causes an allergic reaction.
allergic reaction The body's exaggerated immune response to an internal or surface agent.
anaphylaxis (anaphylactic shock) An extreme, life-threatening systemic allergic reaction that may include shock and respiratory failure.
envenomation The act of injecting venom.
epinephrine A substance produced by the body (commonly called adrenaline), and a drug produced by pharmaceutical companies that increases pulse rate and blood pressure; the drug of choice for an anaphylactic reaction.
histamines Substances released by the immune system in allergic reactions that are responsible for many of the symptoms of anaphylaxis, such as vasodilation.
immune response The body's response to substance perceived by the body as foreign.
immune system The body system that includes all of the structures and processes designed to mount a defense against foreign substances and disease-causing agents.
Immunology The study of the body's immune system.
leukotrienes Chemical substances that contribute to anaphylaxis; released by the immune system in allergic reactions.
stridor A high-pitched noise heard primarily on inspiration.
toxin A poison or harmful substance produced by bacteria, animals, or plants.
urticaria Small spots of generalized itching and/or burning that appear as multiple raised areas on the skin; hives.
wheal A raised, swollen, well-defined area on the skin resulting from an insect bite or allergic reaction.
wheezing The production of whistling sounds during expiration such as occurs in asthma and bronchiolitis.
Created by: brooklynwatters
 

 



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