Multiple Choice
Why are small immune complexes damaging to the body?
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- 1. Introduction to Microbiology3h 27m
- Introduction to Microbiology18m
- Introduction to Taxonomy26m
- Scientific Naming of Organisms9m
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- Introduction to Bacteria9m
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- Introduction to Eukarya20m
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- 19. Innate Immunity7h 15m
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- Introduction to the Complement System24m
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- Phagoctytosis21m
- Introduction to Inflammation18m
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- Fever8m
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- 20. Adaptive Immunity7h 14m
- Introduction to Adaptive Immunity32m
- Antigens12m
- Introduction to T Lymphocytes38m
- Major Histocompatibility Complex Molecules20m
- Activation of T Lymphocytes21m
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- Review of Cytotoxic vs Helper T Cells13m
- Introduction to B Lymphocytes27m
- Antibodies14m
- Classes of Antibodies35m
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- Primary and Secondary Response of Adaptive Immunity21m
- Immune Tolerance28m
- Regulatory T Cells10m
- Natural Killer Cells16m
- Review of Adaptive Immunity25m
- 21. Principles of Disease6h 57m
- Symbiotic Relationships12m
- The Human Microbiome46m
- Characteristics of Infectious Disease47m
- Stages of Infectious Disease Progression26m
- Koch's Postulates26m
- Molecular Koch's Postulates11m
- Bacterial Pathogenesis36m
- Introduction to Pathogenic Toxins6m
- Exotoxins Cause Damage to the Host40m
- Endotoxin Causes Damage to the Host13m
- Exotoxins vs. Endotoxin Review13m
- Immune Response Damage to the Host15m
- Introduction to Avoiding Host Defense Mechanisms8m
- 1) Hide Within Host Cells5m
- 2) Avoiding Phagocytosis31m
- 3) Surviving Inside Phagocytic Cells10m
- 4) Avoiding Complement System9m
- 5) Avoiding Antibodies25m
- Viruses Evade the Immune Response27m
- 25. Epidemiology2h 24m
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- Introduction to Chain of Infection5m
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- 26. Applications of the Immune Response2h 9m
- 27. Immunological Disorders3h 29m
- 28. Antimicrobial Drugs3h 38m
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- Tests to Guide Antimicrobial Use21m
- Antimicrobial Resistance29m
- 29. Microbial Infections - Skin and Eyes46m
- 30. Microbial Infections - Respiratory System1h 23m
- 31. Microbial Infections - Digestive System1h 10m
- 33. Microbial Infections - Nervous System2h 18m
- 34. Microbial Infections - Urogenital System1h 40m
27. Immunological Disorders
Type III Hypersensitivities
Multiple Choice
Type III hypersensitivity is caused by the immune system’s reaction to immune complexes. Immune complexes are made of aggregates of which of the following?
A
Immunohemagglutinins and foreign RBCs.
B
AB antigens and Rh antigens found in RBCs.
C
Antigens bound to antibodies in tissues and blood.
D
Multiple complement system proteins binding to form a membrane attack complex.
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Verified step by step guidance1
Understand that Type III hypersensitivity involves immune complexes, which are formed when antibodies bind to soluble antigens.
Recognize that these immune complexes are aggregates consisting of antigens bound to antibodies, typically found in tissues and blood.
Recall that these complexes can deposit in various tissues, triggering inflammation and tissue damage through complement activation and recruitment of immune cells.
Differentiate this from other options: immunohemagglutinins and foreign RBCs relate to agglutination, AB and Rh antigens are blood group markers, and complement proteins forming membrane attack complexes are part of a different immune mechanism (Type II or direct complement-mediated lysis).
Conclude that the correct description of immune complexes in Type III hypersensitivity is 'antigens bound to antibodies in tissues and blood.'
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