Ch 15 - Microbial Mechanism of Pathogenicity Flashcards
0
Q
The extent of pathogenicity
A
Virulence
1
Q
The ability to cause disease
A
Pathogenicity
2
Q
List the steps that occur for pathogens to cause disease
A
- Gain access to host
- Adhere to host tissue
- Penetrate (evade) host defense
- Damage the host tissue
3
Q
Name the 4 basic ways that organisms damage host tissues
A
A. Use the host’s nutrients
B. Cause direct damage at the site
C. Produce toxins that damage tissues
D. Induce hypersensitivity reaction
4
Q
Substance that contributes to pathogenicity
A
Toxin
5
Q
The presence of toxins in the blood
A
Toxemia
6
Q
An antibody against a specific toxin
A
Antitoxin
7
Q
An activated toxin used in vaccines
A
Toxoid
