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MED BAC > PSEUDOMONAS & FRIENDS > Flashcards

PSEUDOMONAS & FRIENDS Flashcards

1
Q

what shape are most non fermenting bacteria

A

gram neg rods

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2
Q

what non fermenting bacteria is coccobacillius

A

moraxella

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3
Q

what kind of respiration do most non fermenting bacteria do

A

obligate aerobes

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4
Q

what are the cat and oxi results of non fermenting bacteria

A

cat pos and oxi neg

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5
Q

what shape and arrangement is pseudomonas aeruginosa

A

gram neg rods; pairs

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6
Q

what sugar can pseudomonas aeruginosa oxidize

A

glucose

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7
Q

T or F pseudomonas aeruginosa is fastidious

A

F

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8
Q

what is the mucoid polysaccharide capsule of pseudomonas aeruginosa made out of

A

alginate

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9
Q

when does a pseudomonas aeruginosa have a capsule

A

during a lung infection

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10
Q

t or f: pseudomonas aeruginosa is an opportunistic pathogen

A

T

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11
Q

how does pseudomonas aeruginosa move around

A

flagella and pili

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12
Q

what is the endotoxin of pseudomonas aeruginosa

A

LPS

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13
Q

what pseudomonas aeruginosa toxin causes dermatonecrosis, corneal damage, and tissue damage

A

exotoxin A

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14
Q

what pseudomonas aeruginosa toxin produces H2O2 and attracts neutrophils

A

pyocyanin

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15
Q

what pseudomonas aeruginosa toxin scavenges iron, regulate other virulent factors

A

pyocerdin

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16
Q

what pseudomonas aeruginosa enzyme destroys elastin

A

elastases Las A and las B

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17
Q

what pseudomonas aeruginosa enzyme cause lung damage and hemorrhagic skin lesions

A

elastases las A and las B

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18
Q

what ab are looked for when a pt has a pseudomonas aeruginosa infection

A

lasA and las B

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19
Q

what pseudomonas aeruginosa enzyme causes tissue destruction

A

alkaline protases

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20
Q

what pseudomonas aeruginosa enzyme breaks down lipids

A

phospholipase C

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21
Q

what does T3SS (pseudomonas aeruginosa) pump into cells

A

exoenzymes S and T

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22
Q

what pseudomonas aeruginosa enzyme rearrange actin

A

exoenzymes S and T

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23
Q

what bacteria is naturally antibiotic resistant

A

pseudomonas aeruginosa

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24
Q

what kind of resistance are cells naturally able to withstand exposure to concentration of antibiotic that inhibit other bacteria

A

intrinsic resistance

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25
Q

what kind of resistance is developed in the presence other bacteria or upon exposure to antibiotics

A

acquired resistance

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26
Q

what kind of resistance is environment stimulated but not necessarily genetic

A

adaptive resistance

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27
Q

biofilm formation is an example of what kind of resistance

A

adaptive

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28
Q

where do you find pseudomonas aeruginosa

A

moist environment (ubiquitous)

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29
Q

where do you find pseudomonas aeruginosa in a hospital

A

mechanical ventilation equipment and dialysis equipment

30
Q

hospitalized pt are often ______ and _______ colonized with pseudomonas aeruginosa

A

transiently ; asymptomatically

31
Q

is pseudomonas aeruginosa part of the normal microbiome

A

no

32
Q

how do you treat a pseudomonas aeruginosa infection

A

broad spectrum antibiotic

33
Q

who is most at risk of a pseudomonas aeruginosa infection

A

neutropenic or immunocompromised pt

34
Q

what kind of pulmonary infections does pseudomonas aeruginosa cause

A

tracheobronchitis to necrotizing bronchopneumonia

35
Q

if a CF or neutropenia pt gets a pseudomonas aeruginosa lung infection what can it lead to

A

invasive pulmonary disease

36
Q

which are more resistance to antibiotics mucoid or non mucoid strains of pseudomonas aeruginosa

A

mucoid

37
Q

if pseudomonas aeruginosa cause micro abscess formation what kind of disease is that

A

invasive

38
Q

what kind of skin infections can pseudomonas aeruginosa cause

A

primary and soft tissue infections

39
Q

if someone goes into water with pseudomonas aeruginosa what kind of disease

A

folliculitis

40
Q

name? fingernail infection of pseudomonas aeruginosa

A

folliculitis

41
Q

what bacteria causes swimmer’s ear

A

pseudomonas aeruginosa

42
Q

what occurs in an eye infection of pseudomonas aeruginosa

A

corneal ulcers

43
Q

who gets pseudomonas aeruginosa bacreremia

A

immunocomp

44
Q

what is ecthyma ganrenosum

A

hemorrhagic skin lession

45
Q

can pseudomonas aeruginosa causes endocarditis

A

yes but rare

46
Q

what are the key ID characteristics of pseudomonas aeruginosa

A

oily sheen, green pigment and grape like odor

47
Q

what kind of pathogen is burkolderia cepacia

A

opportunistic

48
Q

what burkolderia causes lung infection with CF or CGD

A

b. cepacia complex or b. gladioli

49
Q

what kind of burkolderia causes UTIs and septicemia

A

burkolderia cepacia

50
Q

which burkolderia is a saprophyte

A

burkolderia pseudomallei

51
Q

what bacteria is known for it cornflower head colony appearance

A

burkolderia pseudomallei

52
Q

what kind of pathogen is burkolderia pseudomallei

A

Opportunistic

53
Q

how does someone get inoculated with burkolderia pseudomallei

A

inflation or percutaneous

54
Q

who is most susceptible to a burkolderia pseudomallei infection (3)

A

alcoholics, diabetics, and chronic real or lung disease

55
Q

what do you call a burkholderia pseudomallei infection

A

meliodosis

56
Q

why is burkolderia pseudomallei a good biological weapon

A

high infectivity

57
Q

what antibiotic is burkolderia pseudomallei susceptible to

A

TMP-SXT

58
Q

who is most susceptible to stenotrophomonas maltophilia

A

immunocompromised

59
Q

what kind of antibiotics is stenotrophomonas maltophilia resistant to (2)

A

b lactase and aminoglycoside

60
Q

what are the most common stenotrophomonas maltophilia nosocomial infections

A

bacteremia and pneumonia

61
Q

what kind of respiration does acinetobacter do

A

aerobic

62
Q

what shape is acinetobacter

A

coccobacilli

63
Q

where do acinetobacter live

A

ubiquitous saprophyte

64
Q

what kind of surfaces do acinetobacter like

A

moist and dry

65
Q

what gram neg bacteria is found on human skin

A

acinetobacter

66
Q

what are the 2 groups acinetobacter

A

glucose Gozidzing and non glucose oxidizing

67
Q

does acintobacter baumanii oxidase glucose

A

yes

68
Q

what kind of acinetobacter infection are resistant to antibiotics

A

nosocomial and pulmonary

69
Q

what acinetobacter causes sever infections in military personnel

A

acinetobacter baumannii

70
Q

what pulmonary diseases does moraxella cause

A

bronchitis and bronchopneumonia

71
Q

in health people what does moraxella cause

A

sinusitis and otitis

72
Q

what kind of antibiotic is mortadella most resistant to

A

penicillin

MED BAC (4 decks)

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