Ch14 Key Terms - Allergies and Anaphylaxis

Question 1

A foreign substance (antigen) whose presence in the body stimulates an allergic reaction.

Answer 1

Allergen

Question 2

A series of signs and symptoms that occur in response to exposure to an allergen

Answer 2

Allergic reaction

Question 3

A severe allergic reaction that can result in serious cardiac or respiratory compromise.

Answer 3

Anaphylaxis

Question 4

Swelling that occurs beneath the skin or mucosa because of an allergic reaction.

Answer 4

Angioedema

Question 5

A protein that is produced by the body to neutralize or destroy specific antigens.

Answer 5

Antibody

Question 6

A chemical that is released in the body because of an allergic reaction

Answer 6

Histamine

Question 7

An exaggerated immune response to an allergen, drug, or other foreign substance.

Answer 7

Hypersensitivity

Question 8

Severe itching; frequently occurs in the skin during mild and moderate allergic reactions.

Answer 8

Pruritus

Question 9

Hives or rashes that accompany an allergic reaction

Answer 9

Urticaria