Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BDS1 > Hypersensitivity > Flashcards

Hypersensitivity Flashcards

1
Q

What is an allergen?

A

An allergen is an antigen that causes an allergic reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is type 1 hypersensitivity reaction mediated by?

A

IgE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What can type 1 hypersensitivity also be known as?

A

Immediate hypersensitivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What can hypersensitivity type 1 reaction lead to ?

A

Anaphylaxis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What cells do type 1 allergens bind to IgE antibodies on?

A

Mast cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are haptens?

A

Any small molecule that can be recognized by a specific antibody but cannot by elicit an immune response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How can a hapten stimulate an immune response?

A

Must be chemically linked to a protein molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Main roles of type 1 hypersensitivity?

A

-immune cell recruitment
-neurotransmitter
-vasodilator
-endothelial constrictor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is atopy?

A

The genetic tendency to develop allergic diseases to allaergens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are examples of cutaneous atopy?

A

Hay fever
Eczema
Asthma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are different allergy tests?

A

-Skin prick and patch tests
-Blood test
-Food challenge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are examples of anti-allergy drugs?

A

Anti-histamines
Hydrocortisone
Epinephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are immunological treatments for allergies?

A

Hypo or de sensitisation (repeat injections of allergen)
IgE to IgG production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How do anti-histamines work?

A

Compete with histamine for receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When is epinephrine used?

A

Anaphylactic shock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is an example of type II hypersensitivity?

A

Transfusion reactions
Autoimmune hemolytic anaemia

17
Q

What is an example of type III hypersensitvity?

A

Arthus reaction
Oral erythema multiforme

18
Q

What is the key difference within type IV hypersensitivity reaction?

A

It is T cell mediated ( no antibodies)

19
Q

What is an example of a type IV hypersensitivity reaction?

A

Contact dermatitis
Oral facial granulomatous (OFG)

20
Q

What is type 2 and 3 hypersensitivity meidated by?

A

IgG or IgM

BDS1 (43 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions