Chapter 21 Anaphylactic reactions Flashcards Preview

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Flashcards in Chapter 21 Anaphylactic reactions Deck (18)
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1
Q

a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body.

such as dust mite excretion, pollen, pet dander or even royal jelly

some foods such as peanuts (a legume), nuts, seafood and shellfish are the cause of serious allergies in many people.

A

allergens

2
Q

life-threatening allergic reaction

A

allergic reaction

3
Q

life-threatening allergic reaction also known as anaphylactic shock and anaphylaxis

A

anaphylactic reaction

4
Q

sudden, severe allergic reaction characterized by a sharp drop in blood pressure, urticaria, and breathing difficulties that is caused by exposure to a foreign substance, such as a drug or bee venom, after a preliminary or sensitizing exposure

S/S
dizziness, loss of consciousness, labored breathing, swelling of the tongue and breathing tubes, blueness of the skin, low blood pressure, heart failure, and death.

A

anaphylactic shock

5
Q

resembling generalized anaphylaxis but not caused by IgE-mediated allergic reaction but rather by a nonimmunologic mechanism

A

anaphylactoid reaction

6
Q

sudden, severe allergic reaction characterized by a sharp drop in blood pressure, urticaria, and breathing difficulties that is caused by exposure to a foreign substance, such as a drug or bee venom, after a preliminary or sensitizing exposure

S/S
dizziness, loss of consciousness, labored breathing, swelling of the tongue and breathing tubes, blueness of the skin, low blood pressure, heart failure, and death.

A

anaphylaxis

7
Q

are proteins that exist in bodily fluids, and are used both as a detection and response device by the immune system

A

antibodies

8
Q

the substance that binds specifically to the respective antibody

A

antigen

9
Q

a medical device designed to deliver a single dose of a particular (typically life-saving) drug.

A

auto-injector

10
Q

usually simply referred to as intubation, is the placement of a flexible plastic tube into the trachea (windpipe) to maintain an open airway

A

endotracheal intubation

11
Q

also known as adrenalin is a chemical that narrows blood vessels and opens airways in the lungs

A

epinephrine

12
Q

a substance present in cells of the immune system. It is released when tissue is damaged and during an allergic reaction

A

histamine

13
Q

1st exposure to a an allergen

A

hypersensitivity

14
Q

is how your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful

A

immune response

15
Q

biological structures and processes within an organism that protects against disease.

A

immune system

16
Q

a generalized feeling of discomfort, illness, or lack of well-being

A

malaise

17
Q

when a person is expose to the an allergen again the Ige antibody is present, anaphylactic reaction may occur. its a hypersensitivity

A

non-lgE-mediated reaction

18
Q

exposure to allergen that results in the development of hypersensitivity.

A

sensitization