Chapter 16 Flashcards
1
Q
Mutualism
A
Both partners benefit
2
Q
Commensalism
A
One partner benefits and another is unharmed
3
Q
Parasistism
A
One partner benefits and another is harmed
4
Q
Normal Flora
A
- microbes that are unharful
- grow on healthily person
- produce antibodies
5
Q
Virulence
A
Pathogen’s disease causing ability
6
Q
Convalescence
A
Period of recuperation and recovery
7
Q
Toxemia
A
Toxins in circulating blood
8
Q
Viremia
A
Viruses in circulating blood
9
Q
Septicemia
A
Acute life threatening illness
10
Q
Koch’s Postulate
A
find the cause of infection
11
Q
Establishment of Infection
A
- Adherence:Bacteria use adhesins, highly specific
- Colonization: Organism must multiply in order to colonize
- Delivery of effector molecules:Bacteria are able to deliver molecules
12
Q
Avoiding phagocytosis
A
– Preventing encounters with phagocytes • Some destroy complement components with enzymes (C5a peptidase) • M protein in cell wall inactivates C3b • Fc receptors and capsules prevents opsonization – Surviving within the phagocyte
13
Q
Endotoxins
A
– proteins with damaging effects
- heat stable
14
Q
Indirect damage by immune respose
A
-Damage associated with inflammation • Phagocytic cells can release enzymes and toxic products – Damage associated with antibodies • Antigen-antibody complexes • Cross-reactive antibodies – May bind to body’s own tissues
