Chapter 18 Immunologic Emergencies Flashcards Preview

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Flashcards in Chapter 18 Immunologic Emergencies Deck (15)
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1
Q

The act of injecting venom.

A

Envenomation

2
Q

The study of the body’s immune system.

A

Immunology

3
Q

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

A

Immune system

4
Q

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

A

Wheal

5
Q

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

A

Urticaria

6
Q

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

A

Histamines

7
Q

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

A

Immune response

8
Q

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

A

Leukotrienes

9
Q

A high-pitched noise heard primarily on inspiration.

A

Stridor

10
Q

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.

A

Epinephrine

11
Q

A poison or harmful substance produced by bacteria, animals, or plants.

A

Toxin

12
Q

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

A

Anaphylaxis (anaphylactic shock)

13
Q

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

A

Allergic reaction

14
Q

A substance that causes an allergic reaction.

A

Allergen

15
Q

The production of whistling sounds during expiration such as occurs in asthma and bronchiolitis.

A

Wheezing