We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byCole Dunn
Modified over 2 years ago
Immunity and Infection Chapter 17
© 2008 McGraw-Hill Companies. All Rights Reserved. 2 Chapter seventeen The Chain of Infection Links in the Chain Transmitted through a chain (six links) Pathogen - disease causing microorganism Reservoir - natural environment of the pathogen: Person, animal or environmental component Portal of Exit Means of transmission Direct transmission Indirect transmission Portal of entry Penetration of the skin Inhalation Ingestion New host Breaking the Chain
© 2008 McGraw-Hill Companies. All Rights Reserved. 3 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 4 Chapter seventeen Bodys Defense System Physical and Chemical barriers Skin, mucous membranes, respiratory tract The Immune System Immunological Defenders Neutrophils Macrophages Natural killer cells Dendritic cells Lymphocytes T-cells Helper, Killer, and Suppressor B-cells Antibodies Memory T and B cells
© 2008 McGraw-Hill Companies. All Rights Reserved. 5 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 6 Chapter seventeen The Inflammatory Response Histamine. Dilation of blood vessels, heat, redness, and swelling. The immune response Phase 1 – Dendritic cells are drawn to the site Phase 2 – Helper T cells multiply Production of Killer T and B cells Cytokines – chemical messengers Phase 3 – Killer T cells strike Cell-mediated immune Anti-body mediated immune response Phase 4 – Last Phase – Suppressor T-cells Slow down activity
© 2008 McGraw-Hill Companies. All Rights Reserved. 7 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 8 Chapter seventeen Immunity An infected person will never get the same illness again. Lymphocytes create amplification of the immune response are reserved by memory T and B cells Symptoms and contagion Incubation – viruses are multiplying in the body or when bacteria are actively multiplying Will not feel symptoms until the second or third phase of the immune response cycle Prodromal period – the infected host has acquired immunity
© 2008 McGraw-Hill Companies. All Rights Reserved. 9 Chapter seventeen Immunization The process of priming the body to remember an encounter with a specific antigen. Types of vaccines VACCINE- Introduction of a killed or weakened pathogen to stimulate the body to produce antibodies. (active immunity). PASSIVE IMMUNITY- Injection of antibodies produced by other human beings or animals. ACQUIRED IMMUNITY- The ability of a memory lymphocytes to remember a previous infection. (chicken pox).
© 2008 McGraw-Hill Companies. All Rights Reserved. 10 Chapter seventeen Immunization Issues Vaccine shortages in the U.S. Deaths from vaccine-preventable disease worldwide Vaccine safety
© 2008 McGraw-Hill Companies. All Rights Reserved. 11 Chapter seventeen Allergy: The Bodys Defense System Gone Haywire The Bodys Defense System Gone Haywire Allergies Allergens Pollen, Dander, Dust mites, Molds, Food, Insects The Allergic response Immunoglobulin (IgE) Anaphylaxis
© 2008 McGraw-Hill Companies. All Rights Reserved. 12 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 13 Chapter seventeen Dealing With Allergies Avoidance Medication Immunotherapy
© 2008 McGraw-Hill Companies. All Rights Reserved. 14 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 15 Chapter seventeen The Troublemakers: Pathogens and Disease Bacterium – Microscopic single celled organism Pneumonia Meningitis Strep Throat and other streptococcal infections Toxic shock and other staphylococcal Tuberculosis Lyme Disease and other tickborne infections Ulcers Other Bacterial infections Tetanus Pertussis Urinary tract infections
© 2008 McGraw-Hill Companies. All Rights Reserved. 16 Chapter seventeen Antibiotic Treatment Actions of Antibiotics Antibiotic resistance Proper antibiotics usage Dont take an antibiotic every time you are sick Use antibiotics as directed Never take an antibiotic without an prescription
© 2008 McGraw-Hill Companies. All Rights Reserved. 17 Chapter seventeen Type of Pathogens Viruses – (parasites – take what they need) Common Cold Influenza Measles, Mumps and Rubella Chickenpox, Cold Sores, and other herpes-virus infections Herpes simplex virus (HSV) types 1 and 2 Epstein-Barr virus (EBV) Viral encephalitis Viral Hepatitis Poliomyelitis Rabies Warts Treatment
© 2008 McGraw-Hill Companies. All Rights Reserved. 18 Chapter seventeen
© 2008 McGraw-Hill Companies. All Rights Reserved. 19 Chapter seventeen Types of Pathogens Fungi – Primitive plant – Yeast infections, athletes foot, and ringworm Candida albicans Protozoan – Microscopic single-celled animal – Malaria, African sleeping sickness, Giardiasis, Tricomonias, Trypanosomiasis, and Amoebic dysentary. Parasitic worm – Largest organism that can enter the body – Tapeworm, Hookworm, and Pinworm. Prions - Fetal degeneration disorders of the CNS, linked to proteinaceous infectious particles. Lack DNA and RNA
© 2008 McGraw-Hill Companies. All Rights Reserved. 20 Chapter seventeen Emerging Infectious Diseases Selected Infections of concern West Nile virus Severe acute respiratory syndrome (SARS) Rotavirus Escherichia coli Hantavirus Ebola
© 2008 McGraw-Hill Companies. All Rights Reserved. 21 Chapter seventeen Factors Contributing to Emerging Infections Drug Resistance Poverty Breakdown of public health measures Environmental changes Travel and Commerce Mass food production and distribution Human behaviors Bioterrorism
© 2008 McGraw-Hill Companies. All Rights Reserved. 22 Chapter seventeen Other Immune Disorders: Cancer and Autoimmune Diseases If the immune system breaks down Getting older HIV infection Chemotherapy Autoimmune diseases Rheumatoid arthritis Systemic lupus erythmatosus
© 2008 McGraw-Hill Companies. All Rights Reserved. 23 Chapter seventeen Giving Yourself a Fighting Chance: How to Support Your Immune System How to support your immune system Public Health Taking care of yourself Nutrition Exercise Rest Moderation of Lifestyle Controlling Stress
Immunity and Infection Chapter 17
Ch. 26 Communicable or Infectious Diseases. Lesson 1 Vocabulary Communicable disease – Disease caused by direct or indirect spread of pathogens from one.
19-1 © 2009 The McGraw-Hill Companies, Inc. All rights reserved Principles of Asepsis PowerPoint® presentation to accompany: Medical Assisting Third Edition.
Click on a lesson name to select. Chapter 37 Immune System Section 1: Infectious Diseases Section 2: The Immune System Section 3: Noninfectious Disorders.
Quick write 1.Notes ** What Causes Infectious Diseases? 2.Handout 1 Re-teaching 2 sides 3.How Are Infectious Diseases Treated? 4.Notes** How Your Body.
1Elsevier items and derived items © 2007 by Saunders, an imprint of Elsevier, Inc. Chapter 13 Inflammation, Infection, and Immunity.
Chapter 7: Cellular response in defence. Higher Human Unit 1: Cell Function and Inheritance 12/10/ Mrs Smith.
AP Biology Immune / Lymphatic System lymphocytes attacking cancer cell phagocytic leukocyte lymph system Fighting the Enemy Within!
INFECTIOUS DISEASES CHAPTER 21 (11) Infectious Disease Communicable Can spread easily Caused by organisms that multiple within us Micro-organism.
Defenses Against Disease Chapter 36 Pages
Common Communicable Diseases A communicable disease is a disease caused by a pathogen (a disease-causing organism) that can be transmitted to another person.
Table of Contents – pages iii Unit 1: What is Biology? Unit 2: Ecology Unit 3: The Life of a Cell Unit 4: Genetics Unit 5: Change Through Time Unit.
Topic 6: Human Physiology Topic 6.3 Defense against the infectious disease Fighting the Enemy Within! phagocytic leukocyte lymphocytes attacking cancer.
The Body’s Defense Systems Chapter 47 Table of Contents Section 1 Nonspecific Defenses Section 2 Specific Defenses: The Immune System Section 3 HIV and.
The immune System Ch 37. VOCABULARY 1.pathogen, 2.infectious disease, 3.reservoir, 4.endemic, 5.epidemic, 6.pandemic, 7.antibiotic, 8.lymphocytes, 9.antibodies,
Immune System. First line of defense The skin serves as a physical barrier to prevent the passage of many disease-causing microorganisms. The skin is.
The Lymphatic System February Functions drains and filters protein containing fluids from tissue which has escaped from blood capillaries drains.
Emerging & Re-emerging Infectious Disease. Infectious Diseases Disease: conditions that impair normal tissue function Genetic or Metabolic diseases: ex.
Word Roots an- = without; -aphy = suck (anaphylactic shock: an acute, life-threatening, allergic response) anti- = against; -gen = produce (antigen: a.
CHAPTER 43 THE BODYS DEFENSES Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section A: Nonspecific Defenses Against Infection.
Infectious Disease and the Immune System. Viruses Viruses are non- living. Only characteristic of living organisms is ability to reproduce. Obligate intracellular.
Myth There isnt much a person can do to avoid spreading or catching a cold or the flu. Fact About 80% of infectious diseases are spread by hand contact.
Immune System Pre-AP Biology Chapter Immune System Overview Function: fight infection through the production of [specialized] cells that inactivate.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.
ELAINE N. MARIEB EIGHTH EDITION 12 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by.
VIRUSES, BACTERIA, AND INFECTIOUS DISEASES Produced by Kelly Somerlot, M.S. Terry L. Derting, Ph.D.
Immunity. What is immunity? Immunity is the body's ability to fight off harmful micro-organisms –PATHOGENS- that invade it. Immunity is the body's ability.
Aim: How do vaccinations protect us against disease ? Immunity is the ability of an organism to resist disease by identifying and destroying foreign substances.
1Elsevier items and derived items © 2007 by Saunders, an imprint of Elsevier, Inc. Chapter 33 Immunologic Disorders.
Ch. 43 The Immune System Objectives LO 2.28 The student is able to use representations or models to analyze quantitatively and qualitatively the effects.
© 2016 SlidePlayer.com Inc. All rights reserved.