Bacterial Diseases Flashcards
1
Q
What are intrinsic bacteria?
A
Bacteria that normally reside in non-sterile parts of the body
2
Q
What are extrinsic bacteria?
A
Bacteria that enter the body from external souces via ports of entry
3
Q
What is ‘infectious dose?’
A
The number of bacteria needed to cause infection
4
Q
Name four portals of entry for bacteria:
A
Upper respiratory tract
Broken Skin
Urogenital tract
Faeco-oral/GI tract route
5
Q
What is bacterial virulence?
A
Features that enhance disease causation
E.g. toxin production, interruption of host processes
6
Q
What is sepsis?
A
Life-threatening organ dysfunction caused by bodies response to infection
(10% mortality)
7
Q
What is septic shock?
A
Sepsis w/acidosis and hypotension
40% mortality