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Flashcards in Pathogens and Host Deck (10)
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1
Q

What is clinical infection characterised by?

A

Tachycardia, increased WBC count, malaise, pain, inflammation, pyrexia.

2
Q

What acts as an inflammatory signal?

A

CPC.

3
Q

What is a pathogen?

A

Organism which can cause disease?

4
Q

What is a commensal?

A

Organism which is part of normal flora.

5
Q

Is the difference between a pathogen and a commensal always clear?

A

No- sometimes the difference can be undistinguished.

6
Q

What is pathogenicity?

A

The capacity of an organism to cause harm.

7
Q

What does pathogenicity require?

A

Infectivity and virulence.

8
Q

What is infectivity?

A

The ability of a pathogen to become established on or within a host.

9
Q

What is virulence?

A

Virulence is the ability of a pathogen to cause harm once established.

10
Q

What are the 4 common gram positive bacterial pathogens?

A

Staphylococcus aureus
Streptococcus progenies
Streptococcus pneumoniae
Clostridium difficle