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MTAP 2 IMMUNOSEROLOGY > HYPERSENSITIVITY > Flashcards

HYPERSENSITIVITY Flashcards

1
Q

It is an exaggerated response to an innocuous antigen that results in changes that are deterious to the host

A

Hypersensitivity

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2
Q

It is also known as Immediate hypersensitivity

A

Type 1 hypersensitivity

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3
Q

What is the timeframe of symptom occurrence in Type 1 hypersensitivity?

A

Minutes to hours after exposure

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4
Q

Most common reaction of Type 1 hypersensitivity

A

Rhinitis

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5
Q

It is another term for hives

A

Wheal and Flare

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6
Q

What type of Ig is most commonly the mediator for sudden allergic response, or immediate hypersensitivity

A

IgE

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7
Q

What are the vasoactive mediators released from mast cells

A

Histamine
ECF-A
Neutrophil Chemotactic Factor
Tryptase

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8
Q

What are the newly synthesized mediators

A

Prostaglandins-enhances histamine effects
Leukotrienes- resembles effects of histamine but 100x more potent

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9
Q

It is an inherited tendency to respond to naturally occurring inhaled and ingested allergens with continued production of IgE

A

Atopy

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10
Q
A
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MTAP 2 IMMUNOSEROLOGY (9 decks)

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