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bac Flashcards

1
Q

gram positive cocci

A

steptococcus staphylococcus enterococcus

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2
Q

gram negative cocci

A

neisseria moraxella

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3
Q

gram+ bacilli

A

corynebactrerium listeria bacillus clostridium mycobacterium

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4
Q

gram- bacilli

A

enterics : e. coli shigella salmonella yersinia proteus enterovacter serratia vibrio campylobacter helicobacter pseudomonas bacteroids
hemophilus bordetella legionella francisella brucella pasteurella gardnerella

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5
Q

sipral

A

spirochetes: treponema borrelia lptospira (all gram-)

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6
Q

branching filamnetous

A

actinomyces nocardia (all gram+)

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7
Q

pleomorphic

A

chlamydia rickettsiae (gram-)

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8
Q

no cell wall

A

mycoplasma

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9
Q

gram+ obligate aerobes

A

nocardia (weakly acid fast)

bacillus cereus

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10
Q

gram- obligate aerobes

A

neisseria pseudomonas brdetella legionella brucella

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11
Q

acid fast

A

mycobacterium nocardia

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12
Q

gram+ facultative anaerobes

A

staphyloccocus bacillus antharcis corynebacterium listeria

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13
Q

gram- facultative anaerobes

A

monst gram- rods

pasteurella multocida, ecoli, proetus mirabilis/vulgaris, salmonella, gardnerella vaginalis

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14
Q

gram+ microaerophillic

A

enterococcus sterptococcus

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15
Q

gram- microaerophillic

A

spirochetes: terponema borrelia leptospira

campylobacter

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16
Q

gram+ obligate anaerobes

A

clostridium, actinomyces israeli

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17
Q

gram- obligate anaerobes

A

bacteroides

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18
Q

oxidase+

A

neisseria sp. Legionella, Pseudomonas, Vibrio, Campylobacter, Helicopacter, Moraxella

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19
Q

Ziehl-Neelsen stain

A

identify acid-fast organisms

mycobacterium nocardia

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20
Q

cultivation Loeffler agar

A

c. diphtheriae

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21
Q

cultivation Claudberg agar

A

c. diphtheriae

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22
Q

cultivation Holman agar

A

Clostridium

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23
Q

Löwenstein-Jensen agar

A

m. tuberculosis

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24
Q

Bordet-Gengou agar

A

b. proteusis

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25
Q

Cord factor presents in

A

m tuberculosis

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26
Q

atypical pneumonia

A

legionella pneumophila, mycoplasma pneumoniae, chlamydia pneumoniae, Coxiella burnetii (Qfever)

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27
Q

Babes-Ernst granules present in

A

corynebacterium diptheriae

28
Q

ciliated bac

A

Salmonella typhi/enteritidis, Clostridium tetani, Proteus vulgaris/ mirabilis, Vibrio cholerae, campylobacter jejuni, helicobacter pylori, treponema pallidum (endoflagella)

29
Q

Wassermann test

30
Q

Elek test

A

corynebacterium diphtheriae

31
Q

Tuberculin test

32
Q

Wright reaction

A

Brucellosis

33
Q

Widal reaction

A

typhoid bacilli or other salmonellae

34
Q

Schick test

A

diphtheria

35
Q

Lepromin test

36
Q

Römer test

A

corynebacterium

37
Q

causes mycobacteriosis

A

Mycobacterium marinum

38
Q

Cause of whooping cough

A

Bordetella pertussis

39
Q

Bacillus anthracis virulence factors

A

Oedema factor Protective antigen

40
Q

BCYE culture medium

A

Legionella spp

41
Q

Acinetobacter and Pseudomonas genus differentiating test

A

Oxidase test

42
Q

TCBS agar

A

vibrio cholera

43
Q

Treponema pallidum cultivation w/

A

Rabbit testes

44
Q

Epidemic typhus diagnosis

A

Weil-felix test (anti-rickettsial antibodies )

45
Q

Lac positive (MacConkey agar)

A

Escherichia coli, Enterobacter and Klebsiella

46
Q

Zoonotic bacteria

A

Bacillus anthracis, Francisella tularensis, yersinea, leptospira interrogans, bordetella bronchiseptica

47
Q

Causes erythema nodosum

A

Strep pyogenes

48
Q

NOT use tube agglutination

A

Recurrent fever (cuz antigens are always changing )

49
Q

facultative intracellular

A

listeria monocytogenes, Brucella, francisella tularensis, legionella peumophila, yersinia pestis, salmonella typhi& enteritids, mycobaterium tuberculosis,

50
Q

obligate intracellular

A

mycobacterium leprae, chylamydiaceae, rickettsia, coxiella burnetti

51
Q

watery diarrhea causing bacteria

52
Q

capsule of strep pyogenes

A

hyaluronic acid

53
Q

capsule of Bacillus anthracis

A

poly d glutamate capsule

54
Q

spore forming

A

bacilli, clostridium, coxiella burnetti

55
Q

streptococcus viridans (s. sanguis, s. mutans)

A

NOT encapsulated

56
Q

neisseria meningitidis/ gonorrhoeae which is encapsulated?

A

n. meningitidis

57
Q

capsulated bacteria

A 
Streptococcus pneumoniae, Streptococcus agalactiae, Streptococcus pyogenes, 
Escherichia coli, 
Haemophilus influenzae, 
Neisseria meningitidis, 
Listeria monocytogenes, 
bordetella pertussis, 
pasteruella multocida, 
pseudomonas aeruginosa, 
yersinia enterocolitica
klebsiella
salmonella
58
Q

cAMP increases

A 
anthrax toxin (bacillus anthracis)
adenylate cyclase toxin (bordetella pertussis) 
cholera enterotoxin (vibrio cholerae)
diphtheria toxin (corynebacterium diphtheriae)
59
Q

Bacteria producing toxin upon lysogenic conversion

A

Staph aureus, Clostridium botulinum, s. pyogenes

60
Q

diagnosing Corynebacterium diphtheriae, Which staining is used

A

Gram, Neisser-stain

61
Q

enterootoxins 1. infectious diarrhea

A

cholera toxin( vibrio cholerae),
LT( e.coli, campylobacter, bacillus cereus),
ST( e.coli, y. enterocolitica)
shiga toxin ( shigella dysenteriae)
shiga-like toxin ( enterohemorraghic ecoli, enteroinvasive ecoli)

62
Q

enterotoxins 2. food poisoning

A

staphyloccal heat stable toxin (s. aureus)

heat stable toxcin ( bacillus cereus)

63
Q

pyogenic toxins

A

streptococcus pyogenic toxin (group a)>scarlet fever

TSST1 > toxic shock sy.

64
Q

tissue invasive toxins

A 
streptococcus pyogenes:
1. hemolysins/ steptolysinO
2. streptokinase
3. DNAse
4. hyaluronidase
5. NADase
staph aureus:
1. lipases 
2. penicillinase
3. staphylokinase
4. leukocidin
5. exofoliatin > scalded skin sy.
6. complement inhibitor
Clostridium perfringens:
 lecithinase
65
Q

exotoxins

A 
Bacillus anthracis :
anthrax toxin 1. edema factor 2. lethal factor 3. protective antigen
Corynebacterium diphtheriae:
diptheria toxin > diptheria 1. myocaridits 2. peripheral nerve palsies 3. CNS effected
Bordetella pertussis : > whooping cough
1. petussis toxin 
2. extracytoplasmic adenylate cyclase 
3. filamentous hemagglutiin 
4. tacheal cytotoxin
Clostridium difficile :
1. Toxin A > pseudomembrance colitis
2. Toxin B > fever diarrhea
Pseudomonas aeruginosa:
pseudomonas exotoxin A > inhibit ef2 (same as diptheria toxin)
66
Q

antiphagocitic substances

A 
polysaccharide capsules
M protein and fimbriae ( group a strep)
surface slime (psuddomonas aeruginosa)
LPS o antigen ( ecoli)
k antigen 
protein A ( staph aureus)

micro (9 decks)

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