Flashcards in Gram Positive Bacteria Deck (26)
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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
