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Flashcards in Gram Positive Bacteria Deck (26):
1

What are the two separations of gram positive bacteria?

Bacilli and cocci

2

What are bacilli split into?

Aerobic and anaerobic

3

Give 2 examples of aerobic spore forming bacilli and what they cause

- Bacillus Cereus - food poisoning
- Bacillus Anthracis - Anthrax

4

Give 2 examples of non spore forming aerobic bacilli

- Listeria moncytogenes
- Corynebacterium Diptheriae

5

What does listeria monocytogenes cause?

- Meningitis in neonates
- Bacteraemia in pregnancy

6

What does corynebacterium diphtheriae cause?

Diptheria

7

Give 4 examples of the clostridium species (anaerobic spore forming bacteria)

- Clostridium difficile
- Clostridium perfringens
- Clostridium botulinum
- Clostridium tetani

8

What does clostridium difficile cause?

Diarrhoea

9

What does clostridium perfringens cause?

- Can cause food poisoning
- Gas gangrene
- Is found normally in faeces

10

What does clostridium botulinum cause?

Botulism

11

What does clostridium tetani cause?

Tetanus

12

What are the three subgroups of cocci?

- Staphylococci
- Streptococci
- Enterococci

13

What coccus demonstrates a positive coagulase test?

Staphylococcus aureus

14

What cocci demonstrate negative coagulase tests?

- Staphylococcus epidermis
- Staphylococcus saprophyticus

15

What does staphylococcus aureus cause?

- Found normally in the nose and skin
- Can cause endocarditis, osteomyelitis, food poisoning and toxic shock

16

Staphylococcus epidermis?

- Found everywhere on the skin
- Can infect catheters

17

Staphylococcus sapropyticus?

- Cause of UTI in women of child bearing age

18

What are streptococci separated into

Haemolytic and non haemolytic

19

What are haemolytic streptococci separated into

Partial (alpha) and non partial (beta) haemolytic streptococci

20

Give 2 examples of partial haemolytic streptococci

- Streptococcus pneumoniae
- Viridians streptococci

21

Streptococcus Pneumoniae

- Normal flora of upper resp tract
- Major cause of meningitis in children and elderly

22

Viridans Streptococci

- Normal flora of mouth cavity
- Can cause endocarditis.

23

Give 2 examples of beta haemolytic streptococci

- Streptococcus Pyogenes
- Streptococcus agalactiae

24

Streptococcus Pyogenes

- Sore throats
- Cellulitis
- Impetigo
- Post streptococcal sequelae can result in acute rheumatoid fever, glomerulonephritis

25

Give an example of a non haemolytic streptococcus

Enterococcus faecalis

26

What does enterococcus faecalis cause?

- Can cause UTI