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agents that affect immunity chapter 38

agents that affect immunity

NaeemBell
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agents that affect immunity chapter 38

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  1. CHAPTER 38 Agents That Affect Immunity

  2. Immune System Functions • Recognize and dispose of foreign material such as: • Bacteria • Viruses • Fungi • Protozoa • Helminths (Worms) • Drugs • Food • Transplanted organs Copyright 2013 Delmar Cengage Learning. All rights reserved.

  3. Immune System • Responds to foreign agents (antigens) • Forms antibodies • Recognizes and destroys antigens • Reason for an allergic reaction Copyright 2013 Delmar Cengage Learning. All rights reserved.

  4. Types of Immunity • Active immunity • Administration of an antigen, a weakened or killed vaccine • Stimulates your immune system to form antibodies against the disease • Lasts for many years (continues) Copyright 2013 Delmar Cengage Learning. All rights reserved.

  5. (continued) Types of Immunity • Passive immunity • Administration of preformed antibodies • Provides instant protection • Short duration Copyright 2013 Delmar Cengage Learning. All rights reserved.

  6. Interferons and Interleukins • Low molecular weight proteins • Regulate the immune and inflammatory response • They are used to: • Treat cancer • Stimulate T cell production • Promote blood cell formation • Treat several inflammatory diseases Copyright 2013 Delmar Cengage Learning. All rights reserved.

  7. Immunosuppressant Agents • Prevent organ rejection • Kidney • Liver • Heart • Lungs • Mechanism of action is unclear • They suppress T lymphocytes • Combined with corticosteroids Copyright 2013 Delmar Cengage Learning. All rights reserved.

  8. Avoid Infections • Clients need to avoid infection • Go out, but wear a mask • Immunosuppressant agents are expensive • Cost $50,000/year or more • Require federal and state assistance Copyright 2013 Delmar Cengage Learning. All rights reserved.

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