Normal Microbiota Flashcards Preview

EMS - Mechanisms Of Disease > Normal Microbiota > Flashcards

Flashcards in Normal Microbiota Deck (16):
1

Symbiosis - mutualism

both organs benefit

2

Symbiosis - neutralism

neither organism gets benefit or harm

3

Symbiosis - commensalism

1 benefits, other doesn't get benefit or harm

4

Symbiosis - parasitism

1 benefits at expense of other

5

Name some non sterile sites?

skin
GI tract
Conjuctiva
Vagina
Nasopharynx

6

Name some sterile sites

-lower respiratory tract
- upper genital tract
-urinary tract
-middle ear
-pleural cavity
-peritoneal cavity
-spinal cord / meninges

7

What bacteria are part of the skin flora?

Staphylococcus epidermis
Staphylococcus aureus
Propionibacterium acnes

8

What bacteria is part of mouth flora?

Streptococci Viridans
(aka oral strep)

9

What bacteria is part of nostril flora?

Staph aureus

10

Pharyngeal flora

1) Steptococcus Pyogenes
2) Haemophilus Influenzae
3) Streptococcus pneumoniae
4) Neisseria meningitidis
5) Staphylococcus Aureus

11

What bacteria are present in the GI tract? (stomach and small int)

(mainly aerobic bacteria)
-h.pylori

12

bacteria in the GI tract (large intestine_

mostly anaerobes
-bacteroides spp
-clostridium spp
-bifidobacteria spp

13

What are the aerobic, gam negative bacilli present in the large intestine?

-E.coli
-Enterobacter
-proteus
-citrobacter
-Klebsiella

14

What bacteria causes diarrhoea and pseudomembranous colitis?

Clostridium difficile

15

What is the method of cause of conjuctivitis?

Tranlocation of flora into eye

16

what method caused vaginal thrush?

overgrowth of normal flora.

Usually when treated with broad spec antib