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Microbio > RA 1 > Flashcards

RA 1 Flashcards

1
Q

What gram stain, and morphology is bacillus?

A

Aerobic gram positive rods

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2
Q

What gram stain and morphology is cornebacterium?

A

Aerobic gram positive rods

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3
Q

What gram stain and morphology is listeria?

A

Aerobic gram positive rods

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4
Q

What gram stain and morphology is clostridium?

A

Anaerobic spore forming gram positive

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5
Q

What gram stain and morphology is staphlococcus?

A

Gram positive cocci

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6
Q

What gram stain and morphology is enterococcus?

A

Gram positive cocci

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7
Q

What gram stain and morphology is streptococcus?

A

Gram positive cocci

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8
Q

What gram stain and morphology is neisseria?

A

Gram negative cocci

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9
Q

What gram stain and morphology is escheichia?

A

Enteric gram negative rods

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10
Q

What gram stain and morphology is camylobacter?

A

Enteric gram negative rods

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11
Q

What gram stain and morphology is yersinia entreocolitica?

A

Enteric gram negative rods

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12
Q

What gram stain and morphology is salmonella?

A

Enteric gram negative rods

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13
Q

What gram stain and morphology is shigella?

A

Enteric gram negative rods

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14
Q

What gram stain and morphology is helicobacter?

A

Enteric gram negative rods

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15
Q

What gram stain and morphology is vibrio?

A

Enteric gram negative rods

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16
Q

What gram stain and morphology is bacteroides?

A

Enteric gram negative rods

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17
Q

What gram stain and morphology is haemophilus?

A

Nonenteric Gram-negative

rods

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18
Q

What gram stain and morphology is Legionella?

A

Nonenteric Gram-negative

rods

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19
Q

What gram stain and morphology is Francisella?

A

Nonenteric Gram-negative

rods

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20
Q

What gram stain and morphology is Pasteruella?

A

Nonenteric Gram-negative

rods

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21
Q

What gram stain and morphology is Brucella?

A

Nonenteric Gram-negative

rods

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22
Q

What gram stain and morphology is Rickettsia?

A

Nonenteric Gram-negative

rods

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23
Q

What gram stain and morphology is pseudomonas?

A

Nonenteric Gram-negative

rods

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24
Q

What gram stain and morphology is klebsiella?

A

Nonenteric Gram-negative

rods

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25
Q

What gram stain and morphology is Yersinia pestis?

A

Nonenteric Gram-negative

rods

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26
Q

What gram stain and morphology is chlamydia?

A

Elementary

body/Reticulate body-not usually stained

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27
Q

What gram stain and morphology is chlamydophila?

A

Elementary

body/Reticulate body-not usually stained

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28
Q

What gram stain and morphology is borrelia?

A

Spirochetes–not usually stained

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29
Q

What gram stain and morphology is treponema?

A

Spirochetes-not usually stained

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30
Q

What gram stain and morphology is mycoplasma?

A

No-cell wall-not usually stained

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31
Q

What gram stain and morphology is mycobaterium?

A

Unique cell wall-not usually stained

32
Q

What are the two medically important bacterial genera that produce spores?

A

Bacillus and clostridium

33
Q

What is the disease caused by bacillus cereus?

A

food poisoning

34
Q

What is the disease caused by Bacillus anthracis?

A

Anthrax poisoning (cuteneous, inhalation, GI)

35
Q

What is the disease caused by corynebacterium diptheiae? What is the disease causative process?

A

Diptheria

Toxins in nasopharynx

36
Q

What is the disease caused by listeria?

A

infant/prenatal Listeriosis

bacterial menegitis

37
Q

What is the disease caused by clostriudium botulinum?

A

From soil, causes neurotoxin and flacid paralysis

38
Q

What is the disease caused by clostridium tetani?

A

From soil, produces neurotoxin– tetanus

39
Q

What are the diseases caused by clostridium perfingens? (3)

A

Spores from soil

cellulitis, supprative mysitis, and gas gangrene

40
Q

Which bacteria are catalase positive?

A

Staphlococci

41
Q

Which bacteria are catalase negative?

A

Streptococci, enterococcus

42
Q

What is the most common causative agent of food poisoning?

A

Staph auerus

43
Q

What are the diseases that are caused by staph auerus?

A

Toxic shock
Scalded skin
Food poisoning

44
Q

What is the bacteria type that causes most biofilm formation over implanted medical devices?

A

Staph epidermidis

45
Q

What is the disease caused by staphlococcus saprophyticus?

A

UTIs

46
Q

What is the hemolysis grouping of s.pyogenes?What is the biochemical test used to identify it?

A

Beta, sensitivity to bacitracin

47
Q

What is the hemolysis grouping of s.agalactiae?What is the biochemical test used to identify it?

A

Beta usually; sometimes gamma

cAMP test positive

48
Q

What is the hemolysis grouping of s.pneumoniae? What is the biochemical test used to identify it?

A

alpha

Soluble in bile,
sensitive to optochin

49
Q

Staph aureus:

Positive or negative for coagulase/manitol fermentation

Sensitive or not to novobiocin?

A

Positive for both coagulase and manitol

Sensitive to novobiocin

50
Q

Staph epidermidis:

Positive or negative for coagulase/manitol fermentation

Sensitive or not to novobiocin?

A

Negative for both

Sensitive

51
Q

Staph saprophyticus:

Positive or negative for coagulase/manitol fermentation

Sensitive or not to novobiocin?

A

Negative for both

Resistant

52
Q

What are the diseases that Strep pyogenes causes?

A
  1. Strep throat
  2. Scarlet fever
  3. Necrotizing fasciitis
  4. Toxic shock
  5. Rheumatic fever
  6. Glomerulonephritis
53
Q

What bacteria is responsible for most cases of menigitis?

A

Strep agalactiae (strep B)

54
Q

Bacilus anthracis:

Morphology?
Does it produce spores?
Is it motile?

A

Large, end to end chains
Makes spores
Not motile

55
Q

Bacilus cereus:

Morphology?
Does it produce spores?
Is it motile?

A

Large
Makes spores
50% motile

56
Q

Corynebacterium:

Morphology?
Does it produce spores?
Is it motile?

A

Small, narrow
No spores
Not motile

57
Q

Listeria monocytogenes:

Morphology?
Does it produce spores?
Is it motile?

A

Small
No spores
Tumbling motility

58
Q

Which group of neisseria bacteria are able to metabolize maltose?

A

N. Meningitidis

59
Q

E. coli:

Ferment lactose?
Produce H2S gas?

A

Does ferment lactose

Does not produce H2S gas

60
Q

Shigella:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does produce H2S gass

61
Q

Yersinia:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does not produce H2S gas

62
Q

Campylobacter:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does not produce H2S gas

63
Q

Helicobacter:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does not produce H2S gas

64
Q

Vibrio:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does not produce H2S gas

65
Q

Bacteroides:

Ferment lactose?
Produce H2S gas?

A

No H2s production

N/A for lactose

66
Q

Salmonella:

Ferment lactose?
Produce H2S gas?

A

Does not ferment lactose

Does produce H2S gas

67
Q

What are the bacteria that do not stain because they lack a cell wall? What do they stabilize their membrane with?

A

Mycoplasma

sterols

68
Q

Which bacteria do not stain, and can be identifed with an acid fast stain?

A

Mycobacterium

69
Q

Which bacteria do not stain, and can be identified with a wright’s stain

A

Borrelia

70
Q

Which bacteria do not stain, and are obligate intracellular pathogens?

A

Chlamydia and chlamydophila

71
Q

What is the causative agent of Lyme disease?

A

Borrelia

72
Q

What is the causative agent of TB?

A

Mycobacterium TB

73
Q

Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one is resistant to novobiocin?

A

s. Saprophyticus

74
Q

Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one is coagulase positive?

A

S. Aureus

75
Q

Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one has beta hemolysis testing?

A

S. Aureus

Microbio (50 decks)

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