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14 Cards in this Set

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A substance that causes an allergic reaction.
allergen
The body's exaggerated immune response to an internal or surface agent.
allergic reaction
An extreme, possibly life-threatening systemic allergic reaction that may include shock and respiratory failure.
anaphylaxis
A serum that counteracts the effect of venom from an animal or insect.
antivenin
The act of injecting venom.
envenomation
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.
epinephrine
A substance released by the immune system in allergic reactions that is responsible for many of the symptoms of anaphylaxis.
histamine
Chemical substances that contribute to anaphylaxis; released by the immune system in allergic reactions.
leukotrienes
Describes an animal that is infected with rabies.
rabid
A harsh, high-pitched inspiratory sound that is often heard in acute laryngeal (upper airway) obstruction; may sound like crowing and be audible without a stethoscope
stridor
A poison or harmful substance produced by bacteria, animals, or plants.
toxin
Small spots of generalized itching and/or burning that appear as multiple raised areas on the skin; hives.
urticaria
A raised, swollen, well-defined area on the skin resulting from an insect bite or allergic reaction.
wheal
A whistling breath sound caused by air traveling through narrowed air passages within the bronchioles; a sign of lower airway obstruction.
wheezing