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Principles of Disease > Gram Positive Bacteria > Flashcards

Gram Positive Bacteria Flashcards

1
Q

What are the two separations of gram positive bacteria?

A

Bacilli and cocci

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2
Q

What are bacilli split into?

A

Aerobic and anaerobic

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3
Q

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

A
  • Bacillus Cereus - food poisoning

- Bacillus Anthracis - Anthrax

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4
Q

Give 2 examples of non spore forming aerobic bacilli

A
  • Listeria moncytogenes

- Corynebacterium Diptheriae

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5
Q

What does listeria monocytogenes cause?

A
  • Meningitis in neonates

- Bacteraemia in pregnancy

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6
Q

What does corynebacterium diphtheriae cause?

A

Diptheria

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7
Q

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

A
  • Clostridium difficile
  • Clostridium perfringens
  • Clostridium botulinum
  • Clostridium tetani
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8
Q

What does clostridium difficile cause?

A

Diarrhoea

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9
Q

What does clostridium perfringens cause?

A
  • Can cause food poisoning
  • Gas gangrene
  • Is found normally in faeces
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10
Q

What does clostridium botulinum cause?

A

Botulism

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11
Q

What does clostridium tetani cause?

A

Tetanus

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12
Q

What are the three subgroups of cocci?

A
  • Staphylococci
  • Streptococci
  • Enterococci
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13
Q

What coccus demonstrates a positive coagulase test?

A

Staphylococcus aureus

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14
Q

What cocci demonstrate negative coagulase tests?

A
  • Staphylococcus epidermis

- Staphylococcus saprophyticus

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15
Q

What does staphylococcus aureus cause?

A
  • Found normally in the nose and skin

- Can cause endocarditis, osteomyelitis, food poisoning and toxic shock

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16
Q

Staphylococcus epidermis?

A
  • Found everywhere on the skin

- Can infect catheters

17
Q

Staphylococcus sapropyticus?

A
  • Cause of UTI in women of child bearing age
18
Q

What are streptococci separated into

A

Haemolytic and non haemolytic

19
Q

What are haemolytic streptococci separated into

A

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

20
Q

Give 2 examples of partial haemolytic streptococci

A
  • Streptococcus pneumoniae

- Viridians streptococci

21
Q

Streptococcus Pneumoniae

A
  • Normal flora of upper resp tract

- Major cause of meningitis in children and elderly

22
Q

Viridans Streptococci

A
  • Normal flora of mouth cavity

- Can cause endocarditis.

23
Q

Give 2 examples of beta haemolytic streptococci

A
  • Streptococcus Pyogenes

- Streptococcus agalactiae

24
Q

Streptococcus Pyogenes

A
  • Sore throats
  • Cellulitis
  • Impetigo
  • Post streptococcal sequelae can result in acute rheumatoid fever, glomerulonephritis
25
Q

Give an example of a non haemolytic streptococcus

A

Enterococcus faecalis

26
Q

What does enterococcus faecalis cause?

A
  • Can cause UTI

Principles of Disease (35 decks)

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