CH 11

2. long-term or permanent damage to tissues or orga
4. organisms coming from somewhere within the same human host to cause the infection
6. an organism’s potential to cause disease
7. relative severity of a disease caused by a particular microbe
10. habitat in the world from which a pathogen originates
13. microbe whose relationship with its host is parasitic and results in infection and disease
15. (dose) minimum number of microbes necessary to cause an infection

1. a dormant state of microbes in certain chronic infectious diseases
3. disrupts cell membrane of red blood cells, hemolysins, cause RBCs to hemolyze
5. organisms coming in from outside the body
8. biota is beneficial or at worst commensal to the host in good health with a functioning immune system
9. individual or object from which an infection is acquired
11. enzymes secreted by microbes that break down and inflict damage on tissues
12. contributions from more than one microbe like Influenza infection leading to pneumonia
14. also known as, lipopolysaccharide (LPS), part of the outer membrane of gram-negative cell walls