Normal Flora Flashcards
1
Q
3 types
A
normal
transient
oppurtunistic
2
Q
normal flora
A
adapted to body and always present
on body surface- never under epithelium
commensal and mutualistic
3
Q
commensual
A
provide no benefit but do not harm
4
Q
mutualistic
A
provide benefit to human
5
Q
benefits to humans
A
produce bacteriocidal (toxic) substances alter pH to ferment lactose to acid outcompete opportunists for resources (microbial antagonism) inactivate bacterial toxins produce b12 and Vitamin K
6
Q
1st colonizers
A
from birth canal- Lactobacillus, Staph, Strep
large intestine- Bifidobacterium
7
Q
skin
A
Staph and Micrococcus
8
Q
mouth, nose and upper throat
A
Strep and Lactobacillus
9
Q
intestines
A
E. coli, Klebsiella, Enterobacter, Lactobacillus
10
Q
vagina
A
Lactobacillus and Candida
11
Q
urethra
A
Strep and Staph
12
Q
transient flora
A
removable with washing and disinfection
usually not harmful
13
Q
Opportunistic
A
disease causing
sometimes normal flora that gets under epithelium
