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Microbiology > final > Flashcards

final Flashcards

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Biology 101 flashcards
1
Q

Macconkey agar is used for what bacteria

A

gram - rod

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2
Q

appearance of alpha

A

partial hemolysis- green/slimy.

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3
Q

appearance of beta

A

complete hemolysis- produces clear zone

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4
Q

appearance of gamma

A

no change in media surrounding colony

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5
Q

appearance of delta

A

double zone hemolysis

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6
Q

inoculating temp

A

37 C, 98 F

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7
Q

Minimum inhibitory concentration ?

A

lowest concentration of the antibiotics that inhibits growth

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8
Q

circling disease

A

Listeria

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9
Q

catalase test differentiates

A

whether bacteria is staph or strept

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10
Q

gram positive cocci (2)

A

streptococci

staphylococci

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11
Q

coagulase test is used if catalase is

A

positive

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12
Q

group of bacteria: bacillus, listeria, erysipelothrix, corynebacterium, clostridium

A

gram pos rods

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13
Q

gram pos rod that causes botulism.. potent biological toxins

A

clostridium

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14
Q

diamond skin disease bacteria

A

erysipelothrix

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15
Q

bacteria group: e coli, salmonella, klebsiella, arizona, proteus

A

gram neg rods

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16
Q

what agar to use to differentiate bacterias

A

mueller-hinton

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17
Q

brucella resides where

A

upper respiratory tract

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18
Q

vibrio shape

A

comma shape, short s

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19
Q

bordetella is found

A

resp infection in canines

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20
Q

campylobacteria causes 2 things

A

GI infection and abortions

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21
Q

pseudomonas is a serious pathogen for what 3 species

A

birds, reptiles, amphibians.

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22
Q

pseudomonas is known to do what on agar plate

A

swarm

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23
Q

pseudomonas has what kind of smell

A

fruity

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24
Q

aeromonas affects what species

A

fish, reptiles, amphibians.

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25
Q

aeromonas contaminates

A

fresh water, sewage, soil

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26
Q

puppy and kittens shed this in feces

A

campylobacter

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27
Q

mycobacterium causes what in humans

A

TB

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28
Q

pasturella causative agent for

A

snuffles

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29
Q

normal flora in 5 bacteria

A

staph, strept, proteus, salmonella, e coli

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30
Q

yeasts are bigger than

A

GPCOC

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31
Q

shape of yeast

A

spherical-oval

32
Q

candidia albicans causes what in birds

A

stomatitis and pneumonia

33
Q

malassezia is a common cause of

A

otitis externa

34
Q

what are saprophytes

A

free living bacteria- on bread or cheese

35
Q

mycelia

A

bundle of hyphae

36
Q

which diagnosing procedure is gentle

A

scotch tape prep

37
Q

aspergillus is an opportunistic…

A

saprophyte

38
Q

this spore is spindle or boat shaped

A

microsporum

39
Q

the counter stain in gram stain

A

nmb

40
Q

what color do acid fast stain

A

red

41
Q

what color does yeast stain

A

purple

42
Q

antibody titer measures

A

level of activity in serum

43
Q

post-mortem tissue sample must be how thick

A

3-5 mm thick

44
Q

bacterial endospore is a stage that bacteria go through that.

A

make them very resistant

45
Q

the biggest concern when collecting a sample for culture

A

avoidance of contamination from adjacent tissues excreting

46
Q

gram negative bacteria retain

A

safranin

47
Q

if a slide stains all purple, what wouldnt you do

A

increase light condenser to make the field brighter.

48
Q

feline distemper AKA

A

panleukopenia

49
Q

fading puppy syndrome AKA

A

canine herpesvirus

50
Q

pilli do what

A

allow bacteria to attach to mm

51
Q

bacteria reproduce by

A

binary fission

52
Q

most bacteria live in 95-97 F temps, meaning they are

A

mesophile

53
Q

facultative

A

bacteria grows with or w/o oxygen

54
Q

exotoxins vs endotoxins

A

exo- toxin only released into host

endo-toxin only released when cell dies

55
Q

endotoxins are gram + or - ??

A

gram -

56
Q

parenteral route ex?

A

blood transfusion

57
Q

what way of collecting urine is preferred

A

cystocentesis

58
Q

gram - and + bacteria stain differently because of

A

amt of peptidoglycan in the cell wall

59
Q

gram + bacteria cell wall is ___ than gram -

A

thicker.

60
Q

normal psittacine stool consists of 95% ??

A

gram +

61
Q

acid fast stains

A

red/pink

62
Q

viruses are obligated..

A

intracellular parasites

63
Q

“virus like” protein

A

prions

64
Q

spongiforms are

A

prions

65
Q

3 ways to classify a virus

A

shape composition and envelope

66
Q

what are produced by budding through the host cell membranes

A

envelope viruses

67
Q

are envelope viruses easily killed

A

yes

68
Q

naked viruses

A

more difficult to kill

69
Q

temp of steam sterilization

A

121 C

70
Q

4 stages of replication

A

attachment, penetration/uncoating, replication/synthesis, assembly &release

71
Q

no symptoms in lytic or lysogenic?

A

lysogenic

72
Q

viral dna destroys cell dna.. lytic or lysogenic?

A

lytic

73
Q

Feline Leukemia Virus is what type of virus

A

retrovirus

74
Q

Feline Immunodeficiency virus is what type of virus

A

lentivirus

75
Q

MAC colonies turns what color

A

pink

76
Q

Hektoen-Enteric agar colonies turn what color

A

salmon

77
Q

trypticase soy agar is what type of agar

A

basic nutrient agar

Microbiology (11 decks)

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