Obstructive Lung Disease 3

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Questions and Answers

What type of test is usually positive in individuals with extrinsic asthma?

Lung function test

Blood test

Immunoglobulin test

Skin test with offending antigen (correct)

Intrinsic asthma is initiated by what type of mechanisms?

Genetic mechanisms

Non-immune mechanisms (correct)

Immune mechanisms

Hormonal mechanisms

At what stage of life does intrinsic asthma typically develop?

Later in life (correct)

Adolescence

Childhood

Early adulthood

Intrinsic asthma is characterized by a lack of what in family history?

Atopy Signup and view all the answers

What is the prognosis for intrinsic asthma compared to extrinsic asthma?

Worse Signup and view all the answers

Intrinsic asthma is commonly associated with which condition?

Chronic bronchitis Signup and view all the answers

Which type of asthma has a genetic predisposition to develop reaginic antibodies of the IgE class?

Extrinsic asthma Signup and view all the answers

Which type of asthma commonly starts in childhood and may be preceded by infantile eczema?

Extrinsic asthma Signup and view all the answers

Which type of asthma is associated with a good prognosis?

Extrinsic asthma Signup and view all the answers

Which type of asthma is more likely to develop later in life with no family history of atopy?

Intrinsic asthma Signup and view all the answers

What is another name for extrinsic asthma?

Atopic asthma Signup and view all the answers

Extrinsic asthma is most commonly initiated by what type of hypersensitivity reaction?

Type I hypersensitivity reaction Signup and view all the answers

What is the primary trigger of extrinsic asthma?

Extrinsic antigen Signup and view all the answers

At what stage of life does extrinsic asthma usually start?

Childhood Signup and view all the answers

What condition may precede the onset of extrinsic asthma in childhood?

Eczema Signup and view all the answers

Extrinsic asthma is associated with a genetic predisposition to develop which type of antibodies?

IgE Signup and view all the answers

Which allergens are commonly associated with extrinsic asthma?

Pollen, dust, fungi, and mites Signup and view all the answers

What is the usual prognosis for extrinsic asthma?

Good Signup and view all the answers

What is the primary mechanism of extrinsic asthma?

Allergic reaction to external substances Signup and view all the answers

Which of the following is NOT a characteristic of extrinsic asthma?

Infection of the airways Signup and view all the answers

Study Notes

Extrinsic Asthma (Atopic Asthma)

Another name for extrinsic asthma is atopic asthma.
Extrinsic asthma is most commonly initiated by a type I hypersensitivity reaction.
It is usually initiated by a reaction to an extrinsic antigen.
Extrinsic asthma usually starts in childhood.
Eczema may precede the onset of extrinsic asthma in childhood.
Extrinsic asthma is associated with a genetic predisposition to develop IgE antibodies.
Common allergens associated with extrinsic asthma include pollen, dust, fungi, and mites.
The prognosis for extrinsic asthma is generally good.
A skin test with the offending antigen is usually positive in individuals with extrinsic asthma.

Intrinsic Asthma

Intrinsic asthma is initiated by non-immune mechanisms.
It typically develops later in life.
Intrinsic asthma is characterized by a lack of atopy in family history.
The prognosis for intrinsic asthma is generally worse compared to extrinsic asthma.
Intrinsic asthma is commonly associated with chronic bronchitis.

Comparison of Extrinsic and Intrinsic Asthma

Extrinsic asthma has a genetic predisposition to develop reaginic antibodies of the IgE class.
Extrinsic asthma commonly starts in childhood and may be preceded by infantile eczema.
Extrinsic asthma is associated with a good prognosis.
Intrinsic asthma is more likely to develop later in life with no family history of atopy.
Intrinsic asthma is commonly associated with chronic bronchitis.

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Description

Test your knowledge of asthma types, including extrinsic asthma, and their relation to hypersensitivity reactions. Learn about the characteristics of atopic asthma and more.