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WorksheetsHypersensitivity Reactions Quiz
Total questions: 20
Worksheet time: 10mins
Hypersensitivity reactions are defined as
Protective immune responses
Exaggerated immune responses causing tissue damage
Failure of immune system
Autoimmune tolerance
Type I hypersensitivity is also known as
Delayed hypersensitivity
Cytotoxic hypersensitivity
Immune complex hypersensitivity
Immediate hypersensitivity
Antibody involved in Type I hypersensitivity is
IgG
IgM
IgA
IgE
Cells mainly involved in Type I hypersensitivity
Neutrophils
Macrophages
Mast cells and basophils
Lymphocytes
Example of Type I hypersensitivity is
Serum sickness
Contact dermatitis
Anaphylaxis
Rheumatic fever
Type II hypersensitivity is mediated by
IgE antibodies
Immune complexes
IgG or IgM against cell surface antigens
T cells
Mechanism involved in Type II hypersensitivity includes all EXCEPT
Complement activation
Opsonization
ADCC
Immune complex deposition
Example of Type II hypersensitivity is
Systemic lupus erythematosus
Goodpasture syndrome
Serum sickness
Contact dermatitis
Type III hypersensitivity is caused by
IgE mediated mast cell degranulation
Cell mediated immunity
Immune complex deposition
Autoantibodies against receptors
Example of Type III hypersensitivity is
Anaphylaxis
Myasthenia gravis
Serum sickness
Contact dermatitis
Arthus reaction is an example of
Type I hypersensitivity
Type II hypersensitivity
Type III hypersensitivity
Type IV hypersensitivity
Type IV hypersensitivity is also called
Immediate hypersensitivity
Cytotoxic hypersensitivity
Immune complex hypersensitivity
Delayed type hypersensitivity
Type IV hypersensitivity is mediated by
B cells and antibodies
T cells only
Immune complexes
Complement proteins
Example of Type IV hypersensitivity is
Anaphylaxis
Serum sickness
Contact dermatitis
Goodpasture syndrome
Immunity is defined as
Ability to produce antibodies only
Resistance to infection or disease
Absence of pathogens
Only innate defense
Innate immunity is characterized by
Antigen specificity
Immunological memory
Immediate response
Delayed response
Cells involved in innate immunity include
Plasma cells
T lymphocytes
NK cells and macrophages
B lymphocytes
Physical barrier of innate immunity is
Spleen
Skin and mucous membranes
Lymph nodes
Antibodies
Major mediator of innate immunity includes
Antibodies
Complement system
MHC molecules
Immunoglobulin E
Inflammation is a component of
Adaptive immunity only
Innate immunity only
Both innate and adaptive immunity
Humoral immunity only
