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4 Types of Infections HS1/Berryhill & Cashion DHO Ch. 14/DHO8 Ch.15

4 Types of Infections HS1/Berryhill & Cashion DHO Ch. 14/DHO8 Ch.15. Pathogens cause infection & disease in different ways. P roduce toxins which damage the nervous system C ause an allergic reaction (runny nose, sneezing) A ttack & destroy the living cells they invade.

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4 Types of Infections HS1/Berryhill & Cashion DHO Ch. 14/DHO8 Ch.15

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  1. 4 Types of InfectionsHS1/Berryhill & CashionDHO Ch. 14/DHO8 Ch.15

  2. Pathogens cause infection & disease in different ways. • Produce toxins which damage the nervous system • Cause an allergic reaction (runny nose, sneezing) • Attack & destroy the living cells they invade

  3. Infections and diseases can be classified as: • Endogenous • Exogenous • Nosocomial • Opportunistic

  4. Endogenous • Infections or diseases that originate within the body. • Examples: congenital abnormalities, tumors, infections caused by microorganisms within the body (yeast vaginitis)

  5. Exogenous • Infections or diseases that originate outside of the body. • Examples: pathogenic organisms that invade the body, trauma, electric shock

  6. Nosocomial • Hospital acquired infection • Present in the health care facility & transmitted by the HCW • Many are antibiotic resistant • Example: MRSA

  7. Opportunistic • Infections that occur when body’s defenses are weak • These don’t occur in individual’s with intact immune system. • Example: Kaposi sarcoma, cdiff

  8. Do You Know? • Beth has a nosocomial infection. How did she get it? A. Hiking in the woods. B. Having a massage at a hotel spa. • Eating contaminated food. • Spending three days in the hospital. And the answer is…..D

  9. Do You Know? • An infection that develops when the body’s normal defenses are not working properly is a/an: A. Mutant infection. B. Nonpathogenic infection. C. Opportunistic infection. D. Recessive infection. And the answer is…..C

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