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Farrell > GPC and GPB > Flashcards

GPC and GPB Flashcards

1
Q

Staph species

A

GPC in clusters, may have capsules

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2
Q

Staph aureus

A

Facultative anaerobe, contains hemolysin and leucocidin, coagulase

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3
Q

Enterotoxin

A

Causes gastrointestinal distress

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4
Q

Exfoliative toxin

A

Separates epidermis from dermis

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5
Q

Furuncle

A

Boil

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6
Q

Folliculitis

A

inflammation of hair follicle

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7
Q

Carbuncle

A

larger and deeper lesion created by aggregation and interconnection of cluster of furuncles

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8
Q

impetigo

A

bubble-like swelling that can break and peel away

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9
Q

Osteomyelitis

A

Abscess formation

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10
Q

Bacteremia

A

infection from bacteria from another infection

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11
Q

MRSA

A

methicillin resistant, mecA gene

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12
Q

Strep species

A

SPC in chains and pairs, non-motile, facultative anaerobes

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13
Q

Group A strep

A

Beta hemolytic, Strep pyogenes, typically in throat, DNase, can cause Rheumatic fever

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14
Q

Group B strep

A

Beta hemolytic, Strep agalactiae, Genital flora, can be given to infants birthed vaginally

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15
Q

Group D strep

A

Enterococcus faecalis, Strep Bovis, can cause endocarditis in patients with colon cancer

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16
Q

Viridian strep

A

Alpha hemolytic, can cause endocarditis and meningitis, S. mutans

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17
Q

Strep. pneumo

A

Need blood or chocolate agar, alpha strep, treated with penicillin, gram positive diplococci

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18
Q

If you don’t treat strep throat it can turn into

A

Rheumatic fever

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19
Q

Post-strep acute glomerulonephritis

A

Associated with group A strep skin infection, mostly impetigo in children

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20
Q

Most common cause of necrotizing fasciitis

A

Group A strep

21
Q

Super antigens

A

Bind directly to MHC II and the TCR, seen in Scarlet fever and Toxic shock syndrome

22
Q

Toxic shock syndrome

A

Group A strep isolated from a sterile site, mucosal site, wound

23
Q

CAMP test

A

Staph aureus streaked on a blood agar, if enhanced hemolysis with horizontal bacterial streak, its Group A strep

24
Q

Zone around Bacitracin disk

A

Group A strep

25
Q

Zone around SXT disk

A

Staph aureus

26
Q

Positive PYR

A

Group A strep

27
Q

Eikenella

A

Pits the agar, typically from human bites, GNB, non-motile, oxidase positive, nitrate reducing, facultative anaerobe

28
Q

Most common cause of infective endocarditis

A

Staph aureus

29
Q

HACEK group

A

GNB, common cause of infective endocarditis,found in oral cavity

30
Q

Haemophilus aphrophilus

A

AKA Aggregatibacter aphrophilus

31
Q

Bacteria typically from a wound and sepsis

A

Kingella kingae

32
Q

Cardiobacterium hominis

A

causes endocarditis when underlying valvular heart disease

33
Q

Q fever

A

most common cause of endocarditis when blood culture is negative, use PCR or gene sequencing, Donut ring granuloma when lung biopsy, caused by Coxiella burnetii

34
Q

Bacterial capsule

A

Keeps bacteria alive

35
Q

Prokaryotes

A

Single celled, small, cell wall, no organelles, single stranded DNA

36
Q

Eukaryotes

A

Multicellular, large, cell wall in fungi and plants, mostly aerobic, chromosomes in pairs

37
Q

Bacillus anthracis

A

GPB, non-motile, spore is resistant and letal, transmitted cutaneously, inhalation and gastrointestinally, cAMP

38
Q

Bacillus cereus

A

Seen in Sushi rice, motile and hemolytic, basically food poisoning, GPB, use malachite green

39
Q

Clostridium tetani

A

GP Drum stick shape, neurotoxin, anaerobic, cause muscle spasms to activate over entire body, from soil, puncture wounds and burns, non-invasive, 1 week incubation

40
Q

Clostridium perfrigens

A

GPB, non-motile, anaerobe, cause gas gangrene, double zone of hemolysis

41
Q

C. septicum

A

Only seen in patients with colon cancer

42
Q

Clostridium difficile

A

Difficult to culture, motile, anaerobe, GPB, specific smell, if treated with antibiotics, can cause pseudomembranous colitis, has toxin A and B

43
Q

GPB spore in central location

A

C. bifermentans

44
Q

SPB spore in sub-terminal

A

C. perfringens

45
Q

GPB spore oval and terminal

A

C. tertium

46
Q

GPB ‘drum stick’ appearance

A

C. tetani

47
Q

Clostridium botulinum

A

GPB, causes flaccid paralysis of muscles, typically foodborne transmission, makes botox, can be destroyed by heating, seen in canned foods, can cause double vision

48
Q

Tetanus toxin

A

blocks GABA and won’t allow inhibitor is relax the muscles

Farrell (6 decks)

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