1. 4 Types of Infections HS1/Berryhill & Cashion DHO 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