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14 Cards in this Set

  • Front
  • Back
3 Types of Infectious Organisms
1. Bacteria
2. Virus
3. Fungus
Bacteria
-Prokaryotic (lack DNA in nucleus)
-Can be rod, round, or spiral
-Can reproduce in 20 minutes
-Can reproduce outside of host
Examples of Bacterial Infections
1. Pneumonia
2. Skin Infections
3. Joint Infections
4. Urinary Tract Infections
Treatment of Bacterial Infections
-Antibiotics
Virus
-Small infectious agent
-Eukaryotic (has nucleus with DNA and RNA)
-Can't replicate outside of host
-Can cause disease of organs (brains, lungs, skin, etc)
Treatment for Viral Infections
Anti-viral medications
Fungus
-Eukaryotic organisms, like mold and yeasts
-Can grow like strings or thread
-Causes infections in skin and other places
Treatment of Fungal Infections
-Antifungal medications
How Do Infections Spread?
-Droplet and Airborne
-Aerosol
-Water and soil
-Direct Contact
-Faeco-oral
-Contaminated intermediates (sheets, pillow, doorknobs, etc)
How Does the Body Prevent Against Infection?
-Immune System
-Blood (white blood cells)
-Physical Barriers (skin, lungs)
-Mechanical Barriers (coughing, crying)
-Chemical Barriers (stomach acid)
3 Parts of the Immune System
1. White blood cells
2. Thrombocytes
3. Lymphatic system
White Blood Cells (Leukocytes)
-Cells of the immune system involved in defending the body against both infectious disease and foreign materials
-5 different types
-Produced in bone barrow
Lymphatic System
-A network of conduits that carry clear liquid called lymph around the body
-Transports white blood cells to and from the lymph nodes into the bones.
2 Problems of the Immune System
1. Poor Defense (HIV, blood disorders, genetic disorders)

2. Autoimmune Disease (Lupus, rheumatoid arthritis)
-Body attacks it's own tissue