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Allied Health Microbiology: Summary

Allied Health Microbiology
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table of contents
  1. Cover
  2. Title Page
  3. Copyright
  4. Table Of Contents
  5. Preface
  6. Forward
  7. Chapter 1: An Invisible World
    1. 1.1 What Our Ancestors Knew
    2. 1.2 A Systematic Approach
    3. 1.3 Types of Microorganisms
    4. Summary
  8. Chapter 2: The Cell
    1. 2.1 Spontaneous Generation
    2. 2.2 Foundations of Modern Cell Theory
    3. 2.3 Unique Characteristics of Prokaryotic Cells
    4. Summary
  9. Chapter 3: Prokaryotic Diversity
    1. 3.1 Prokaryote Habitats, Relationships, and Microbiomes
    2. Summary
  10. Chapter 4: The Eukaryotes of Microbiology
    1. 4.1 Unicellular Eukaryotic Parasites
    2. 4.2 Parasitic Helminths
    3. 4.3 Fungi
    4. Summary
  11. Chapter 5: Acellular Pathogens
    1. 5.1 Viruses
    2. 5.2 The Viral Life Cycle
    3. 5.3 Prions
    4. Summary
  12. Chapter 6: Microbial Biochemistry
    1. 6.1 Microbial Biochemistry
    2. Summary
  13. Chapter 7: Microbial Growth
    1. 7.1 How Microbes Grow
    2. 7.2 Oxygen Requirements for Microbial Growth
    3. 7.3 The Effects of pH on Microbial Growth
    4. 7.4 Temperature and Microbial Growth
    5. Summary
  14. Chapter 8: Modern Applications of Microbial Genetics
    1. 8.1 Whole Genome Methods and Pharmaceutical Applications of Genetic Engineering
    2. 8.2 Gene Therapy
    3. Summary
  15. Chapter 9: Control of Microbial Growth
    1. 9.1 Controlling Microbial Growth
    2. 9.2 Testing the Effectiveness of Antiseptics and Disinfectants
    3. Summary
  16. Chapter 10: Antimicrobial Drugs
    1. 10.1 Fundamentals of Antimicrobial Chemotherapy
    2. 10.2 Mechanisms of Antibacterial Drugs
    3. 10.3 Mechanisms of Other Antimicrobial Drugs
    4. 10.4 Drug Resistance
    5. 10.5 Testing the Effectiveness of Antimicrobials
    6. 10.6 Current Strategies for Antimicrobial Discovery
    7. Summary
  17. Chapter 11: Microbial Mechanisms of Pathogenicity
    1. 11.1 Characteristics of Infectious Disease
    2. 11.2 How Pathogens Cause Disease
    3. 11.3 Virulence Factors of Bacterial and Viral Pathogens
    4. Summary
  18. Chapter 12: Disease and Epidemiology
    1. 12.1 The Language of Epidemiologists
    2. 12.2 Tracking Infectious Diseases
    3. 12.3 Modes of Disease Transmission
    4. 12.4 Global Public Health
    5. Summary
  19. Chapter 13: Innate Nonspecific Host Defenses
    1. 13.1 Physical Defenses
    2. 13.2 Chemical Defenses
    3. 13.3 Cellular Defenses
    4. 13.4 Pathogen Recognition and Phagocytosis
    5. 13.5 Inflammation and Fever
    6. Summary
  20. Chapter 14: Adaptive Specific Host Defenses
    1. 14.1 Overview of Specific Adaptive Immunity
    2. 14.2 Major Histocompatibility Complexes and Antigen-Presenting Cells
    3. 14.3 T Lymphocytes and Cellular Immunity
    4. 14.4 B Lymphocytes and Humoral Immunity
    5. 14.5 Vaccines
    6. Summary
  21. Chapter 15: Diseases of the Immune System
    1. 15.1 Hypersensitivities
    2. 15.2 Autoimmune Disorders
    3. 15.3 Organ Transplantation and Rejection
    4. Summary
  22. Chapter 16: Skin and Eye Infections
    1. 16.1 Anatomy and Normal Microbiota of the Skin and Eyes
    2. 16.2 Bacterial Infections of the Skin and Eyes
    3. 16.3 Viral Infections of the Skin and Eyes
    4. 16.4 Mycoses of the Skin
    5. 16.5 Helminthic Infections of the Skin and Eyes
    6. Summary
  23. Chapter 17: Respiratory System Infections
    1. 17.1 Anatomy and Normal Microbiota of the Respiratory Tract
    2. 17.2 Bacterial Infections of the Respiratory Tract
    3. 17.3 Viral Infections of the Respiratory Tract
    4. Summary
  24. Chapter 18: Urogenital System Infections
    1. 18.1 Anatomy and Normal Microbiota of the Urogenital Tract
    2. 18.2 Bacterial Infections of the Urinary System
    3. 18.3 Bacterial Infections of the Reproductive System
    4. 18.4 Viral Infections of the Reproductive System
    5. 18.5 Fungal Infections of the Reproductive System
    6. 18.6 Protozoan Infections of the Urogenital System
    7. Summary
  25. Chapter 19: Digestive System Infections
    1. 19.1 Anatomy and Normal Microbiota of the Digestive System
    2. 19.2 Microbial Diseases of the Mouth and Oral Cavity
    3. 19.3 Bacterial Infections of the Gastrointestinal Tract
    4. 19.4 Viral Infections of the Gastrointestinal Tract
    5. 19.5 Protozoan Infections of the Gastrointestinal Tract
    6. 19.6 Helminthic Infections of the Gastrointestinal Tract
    7. Summary
  26. Chapter 20: Circulatory and Lymphatic System Infections
    1. 20.1 Anatomy of the Circulatory and Lymphatic Systems
    2. 20.2 Bacterial Infections of the Circulatory and Lymphatic Systems
    3. 20.3 Viral Infections of the Circulatory and Lymphatic Systems
    4. 20.4 Parasitic Infections of the Circulatory and Lymphatic Systems
    5. Summary
  27. Chapter 21: Nervous System Infections
    1. 21.1 Anatomy of the Nervous System
    2. 21.2 Bacterial Diseases of the Nervous System
    3. 21.3 Acellular Diseases of the Nervous System
    4. Summary
  28. Creative Commons License
  29. Recommended Citations
  30. Versioning

Summary

15.1 Hypersensitivities

  • An allergy is an adaptive immune response, sometimes life-threatening, to an allergen.
  • Type I hypersensitivity requires sensitization of mast cells with IgE, involving an initial IgE antibody response and IgE attachment to mast cells. On second exposure to an allergen, cross-linking of IgE molecules on mast cells triggers degranulation and release of preformed and newly formed chemical mediators of inflammation. Type I hypersensitivity may be localized and relatively minor (hives and hay fever) or system- wide and dangerous (systemic anaphylaxis).
  • Type II hypersensitivities result from antibodies binding to antigens on cells and initiating cytotoxic responses. Examples include hemolytic transfusion reaction and hemolytic disease of the newborn.
  • Type III hypersensitivities result from formation and accumulation of immune complexes in tissues, stimulating damaging inflammatory responses.
  • Type IV hypersensitivities are not mediated by antibodies, but by helper T-cell activation of macrophages, eosinophils, and cytotoxic T cells.

15.2 Autoimmune Disorders

  • Autoimmune diseases result from a breakdown in immunological tolerance. The actual induction event(s) for autoimmune states are largely unknown.
  • Some autoimmune diseases attack specific organs, whereas others are more systemic.
  • Organ-specific autoimmune diseases include celiac disease, Graves disease, Hashimoto thyroiditis, type I diabetes mellitus, and Addison disease.
  • Systemic autoimmune diseases include multiple sclerosis, myasthenia gravis, psoriasis, rheumatoid arthritis, and systemic lupus erythematosus.
  • Treatments for autoimmune diseases generally involve anti-inflammatory and immunosuppressive drugs.

15.3 Cancer Immunobiology and Immunotherapy

  • Cancer results from a loss of control of the cell cycle, resulting in uncontrolled cell proliferation and a loss of the ability to differentiate.
  • Adaptive and innate immune responses are engaged by tumor antigens, self-molecules only found on abnormal cells. These adaptive responses stimulate helper T cells to activate cytotoxic T cells and NK cells of innate immunity that will seek and destroy cancer cells.
  • New anticancer therapies are in development that will exploit natural adaptive immunity anticancer responses. These include external stimulation of cytotoxic T cells and therapeutic vaccines that assist or enhance the immune response.

Annotate

Next Chapter
Chapter 16: Skin and Eye Infections
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Copyright © 2019 by Open Stax and Linda Bruslind Allied Health Microbiology by Open Stax and Linda Bruslind is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.
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