Pathogens

Question 1

Pathogens that originate outside the host or carrier. (can come from other animals)

Answer 1

Exogenous

Question 2

Endogenous pathogens are ______________ that are not actually pathogens but become pathogenic as a result of decreased resistance of the host or atypical locations within the host.

Answer 2

Microflora

Question 3

Five portals of entry for transmission of pathogens

Answer 3

1. Respiratory
2. Alimentary
3. Urogenital
4. Skin
5. Placenta

Question 4

Invasion by a pathogen does not necessarily cause disease. Four factors that influence weather or not disease develops

Answer 4

1. Specific portals
2. Virulence (strength)
   3.Number
3. Host resistance

Question 5

Number of bacteria to cause disease or infection

Answer 5

10^5 - 10^6/ gm

Question 6

Three stages of infection

Answer 6

1. Invasion
2. Reproducing
3. Manifestations

Question 7

Localized reproduction of a pathogen will cause what

Answer 7

Abscess

Question 8

Systemic reproduction of pathogens is located in the blood. Name three possible types

Answer 8

1. Bacteremia (just bacteria)
2. Septicemia (reproducing bacteria)
3. Toxemia (endospores from gram - )

Question 9

Three types of manifestations of infection

Answer 9

1. Subclinical
2. Clinical
3. Latent