Ch 18 Vocab

Question 0

The body’s exaggerated immune response to an internal or surface agent

Answer 0

Allergic reaction

Question 1

Substances that cause an allergic reaction

Answer 1

Allergens

Question 2

An extreme, life-threatening systemic allergic reaction that may include shock and respiratory failure

Answer 2

Anaphylaxis

Question 3

The act of ejecting venom

Answer 3

Envenomation

Question 4

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 anaphylaxis reaction

Answer 4

Epinephrine

Question 5

Substances released by the immune system in allergic reactions that are responsible for many of the symptoms of anaphylaxis, such as vasodilation

Answer 5

Histamines

Question 6

The body’s response to a substance perceived by the body as foreign

Answer 6

Immune response

Question 7

The body system that includes all of the structures and processes designed to mount a defense against foreign substances and disease-causing agents

Answer 7

Immune system

Question 8

The study of the body’s immune system

Answer 8

Immunology

Question 9

Chemical substances that contribute to anaphylaxis; released by the immune system in allergic reactions

Answer 9

Leukotrienes

Question 10

A harsh, high-pitched respiratory sound, generally heard during inspiration, that caused by partial blockage or narrowing of the upper airway

Answer 10

Stridor

Question 11

A poison or harmful substance

Answer 11

Toxin

Question 12

Small spots of generalized itching and/or burning that appears as multiple raised areas on the skin; hives

Answer 12

Urticaria

Question 13

A raised, swollen, well-defined area on the skin resulting from an insect bite or allergic reaction

Answer 13

Wheal

Question 14

A high-pitched, whistling breath sound, usually caused by a constriction of the smaller tubes of the lungs and typically heard on expiration

Answer 14

Wheezing