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Gram Positive Flashcards

(53 cards)

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1
Q

7 +ve bacteria

A

Staphylococcus aureus, Staphylococcus epidermidis, streptococcus progenes, Staphylococcus pneumoniae, Staphylococcus viridans, clostridium difficile, listeria monocytogenes

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2
Q

Staphylococcus aureus shape/ID

A

Cocci, beta-haemolysis

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3
Q

Staphylococcus epidermis shape/ID

A

cocci

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4
Q

Streptococcus pyogenes shape/ID

A

Cocci forming chains, group A streptococcus, beta haemolytic

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5
Q

Strep pneumoniae shape/ID

A

cocci, alpha-haemolytic

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6
Q

Streptococcus viridans shape/ID

A

cocci, alpha haemolytic

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7
Q

Clostridium difficile

A

bacillus

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8
Q

Listeria monocytogenes

A

bacillus

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9
Q

Staphylococcus aureus virulence factors

A

catalase, coagulase, capsule, superantigen toxins, pro inflammatory lipotechoic acid in cell wall, forms biofilms, MRSA - beta lactamases

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10
Q

Staphylococcus epidermidis virulence factors

A

Catalase, biofilms

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11
Q

Streptococcus pyogenes virulence factors

A

biofilm, superantigens, M proteins, capsule

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12
Q

Streptococcus pneumoniae virulence factors

A

polysaccharide capsule, invasins and adhesins

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13
Q

Streptococcus viridans virulence factors

A

Low virulence: no capsule or lance field antigens

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14
Q

Clostridium difficile virulence factors

A

forms spores, enterotoxin and cyotoxin (kills GI cells)

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15
Q

Listeria monocytogenes virulence factors

A

Intracellular

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16
Q

Staphylococcus aureus commensal

A

upper resp tract, skin, GI tract

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17
Q

Staphylococcus epidermidis

A

skin flora

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18
Q

Streptococcus pyogenes

A

Nasal cavity

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19
Q

Streptococcus pneumoniae

A

Nasal cavity and URT

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20
Q

Streptococcus viridans

A

Oral cavity

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21
Q

Clostridium difficile

A

Gut flora

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22
Q

Listeria monocytogenes

23
Q

Staphylococcus aureus conditions

Study These Flashcards
A

Osteomyelitis, septic arthritis, infective acute endocarditis, pneumonia, gastroenteritis
Skin infections: carbuncles, furuncles, necrotising fasciitis, cellulitis, impetigo
Cystic fibrosis patients colonisation

24
Q

Staphylococcus epidermidis conditions

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A

Surfaces/devices/catheters
Septic arthritis on joint replacements
Device associated endocarditis

25
Streptococcus pyogenes
Skin: erysipelas, scarlet fever, necrotising fasciitis, cellulitis, impetigo Upper resp tract —> rheumatic fever
26
Streptococcus pneumoniae condition
Meningitis, subacute endocarditis, lobar pneumonia
27
Streptococcus viridans condition
Subacute endocarditis
28
Clostridium difficile conditions
Diarrhoea (faecal-oral or antibiotic induced), soft tissues and blood
29
Listeria monocytogenes conditions
Neonate/elderly meningitis,diarrhoea (rare -danger in pregnancy)
30
Staphylococcus aureus treatment
Flucloxacillin (beta lactam), gentamicin (aminoglycoside) MRSA: vancomycin (glycopeptide)
31
MRSA
Methicillin-resistance staphlococcus aureus: vancomycin (glycopeptide)
32
Staphylococcus epidermis treatment
Vancomycin (glycopeptide) and gentamicin (aminoglycoside)
33
Streptococcus pyogenes treatment
Penicillin (beta lactam)
34
Streptococcus pneumoniae treatment
Amoxicillin (beta lactam) For meningitis: penicillin or vancomycin + ceftriaxone
35
Streptococcus pneumoniae meningitis treatment
penicillin or vancomycin + ceftriaxone
36
Streptococcus viridans treatment
Penicillin (beta lactam), and gentamicin (aminoglycoside)
37
Clostridium difficile treatment
Remove antibiotics or add vancomycin (glycopeptide)
38
Listeria monocytogenes treatment
Penicillin (beta lactam) Avoid unpasteurised cheese)
39
Cocci
Staphylococcus aureus, Staphylococcus epidermidis, streptococcus pyogenes, streptococcus pneumoniae, streptococcus viridans
40
Staphylococcus aureus, Staphylococcus epidermidis, streptococcus pyogenes, streptococcus pneumoniae, streptococcus viridans have what in common
Cocci
41
Beta haemolysis
Staphylococcus aureus, streptococcus pyogenes
42
Staphylococcus aureus, streptococcus pyogenes both have what in common
Beta haemolysis
43
Cocci forming chains
streptococcus pyogenes
44
Alpha haemolysis
streptococcus pneumoniae, streptococcus viridans
45
streptococcus pneumoniae, streptococcus viridans both have what in common
Alpha haemolysis
46
Bacillus
Clostridium difficile, listeria monocytogenes
47
Clostridium difficile, listeria monocytogenes both have what in common
Bacillus
48
Beta lactam
Flucloxacillin, penicillin, amoxicillin
49
Flucloxacillin, penicillin, amoxicillin
Beta lactam
50
Gentamicin
Aminoglycoside
51
Aminoglycoside
Gentamicin
52
Vancomycin
glycopeptide
53
glycopeptide
Vancomycin

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