The definition of a possum, or opossum, is a tree-dwelling nocturnal marsupial with fur and a prehensile tail. A small Australian mammal that lives in a tree and only comes out at night is an example of a possum. possum. possum.
More than two thirds of patients who die of anaphylaxis do so within the first: half hour. ____, a harsh, high-pitched inspiratory sound, occurs when swelling in the upper airway closes off the airway; the swelling can eventually lead to total obstruction. Stridor.
Summary. During anaphylaxis, allergic symptoms can affect several areas of the body and may threaten breathing and blood circulation. Food allergy is the most common cause of anaphylaxis, although several other allergens â insect stings, medications, or latex â are other potential triggers.Rarely, anaphylaxis is triggered by exercise. Another uncommon form of anaphylaxis can occur when a person exercises soon after eating a problem food.ummary. During anaphylaxis, allergic symptoms can affect several areas of the body and may threaten breathing and blood circulation. Food allergy is the most common cause of anaphylaxis, although several other allergens â insect stings, medications, or latex â are other potential triggers.