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Microbiology Final > Past papers 5 > Flashcards

Past papers 5 Flashcards

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Biology 101 flashcards
1
Q

What is the cause of glanders?

A

Pseudomonas mallei

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2
Q

Bronhamella is a subgenus of:

A

Moraxella

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3
Q

What is the most common condition caused by Brucella?

A

Abortion

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4
Q

What is the growth of Brucella?

A

Anaerobic

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5
Q

Toxins of Bordetella, what is the most important one?

A

Heat labile dermonecrotoxin and haemagglutin

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6
Q

What 2 Bordetella species are most pathogenic for animals?

A

B. bronchiseptica and B. avium

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7
Q

What type of capsule does Bordetella have?

A

Outer membrane pseudo-capsule that is lost by passage

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8
Q

What variant of F. tularensis is found in Israeli?

A

Var. palaeartica

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9
Q

What bacteria uses McCoy agar

A

Francisella tularensis

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10
Q

For which bacteria do you use brilliant green agar?

A

Enterobacteriaceae

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11
Q

Neurotoxins of E. coli cause what?

A

Enterotoxaemia of pigs or oedema disease

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12
Q

Where are endotoxins of e. coli found?

A

O antigens that form part of cell wall

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13
Q

What disease is caused by Serratia?

A

Non pathogen but associated with inflammation

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14
Q

Which bacteria grow on sodium-selenite lactose media (5)

A

Lactococcus
Weissella
Leuconostoc
ENterococcus
Fructobacillus

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15
Q

For which bacteria do you use Rappaport-Varrition media:

A

Salmonella

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16
Q

Deoxycholate citrate agar is used for

A

Enteric bacilli: salmonella and shigella

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17
Q

Ed. tarda cause disease most often in:

A

fish

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18
Q

K. pneumoniae subsp. pneumoniae cause what in cattle?

A

mastitis

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19
Q

Most important species of enterobacter:

A

Eb. cloaca and Eb. aerogenes are the most important

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20
Q

Genus Erwina is most similar to

A

enterobacter agglomerans

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21
Q

Proteus causes what in horse?

A

endometritis and urogenital infections

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22
Q

Morganella morganii is most often found in

A

faeces

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23
Q

Does providencia swarm?

A

Yes

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24
Q

Genus Erwina produces

A

a yellow pigment on culture

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25
Q

for which bacteria can you use SS and MacConkey agar for isolation?

A

Shigella

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26
Q

For which bacteria do you use Wilson blair bismuth sulphite agar?

A

Salmonella

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27
Q

Red mouth disease is caused by

A

Y. ruckeri

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28
Q

Which bacteria causes pseudotuberculosis?

A

Mycobacterium pseudotuberculosis

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29
Q

What sort of growth do you get from P. multocida on McConkey agar?

A

Negative growth

30
Q

Which Pasteurella species are pathogenic?

A

P multocida and P gallinarum

31
Q

How are aeromonas classified?

A

morphologically (according to motility)

32
Q

Which species causes furunculosis of salmonids?

A

Aeromonas salmonicida subsp. salmonicida

33
Q

Treponema are:

A

anaerobic

34
Q

T. pallidum subsp. pallidum causes:

A

syphilis in man and monkeys

35
Q

B. theileri causes:

A

bovine and equine borreliosis

36
Q

Leptospirosa require

A

aerobic conditions

37
Q

What causes canine leptospirosa?

A

Leptospirosa interrogans subsp. canicola

38
Q

What campylobacter belong to Wolinella group:

A

C. cinaedi, C. fennelliae, C. pylori, Wolinella succinogens

39
Q

Pathogenic strains of campylobacter:

A

C. jejuni and C. coli

40
Q

The most important equine disease caused by Staphylococcus is:

A

Botrymycosis

41
Q

Morphology of Staphylococcus:

A

Gram-positive cocci that form grape-like clusters

42
Q

For which bacteria do you use Yolk-tellurite-glycine-pyruvate agar?

A

Staphylococcus (micrococcaceae)

43
Q

What bacteria produce white to yellow, large colonies with standard incubation?

A

Staphylococcus

44
Q

Haemolytic toxins of Staphylococcus - which ones produce complete haemolysis?

A

alpha-lysin, gamma-lysin delta-lysin

45
Q

Coagulate positive strains are more or less virulent?

A

more virulent

46
Q

Most common cause of Streptococcus infection in foals:

A

Str. zooepidemicus

47
Q

Rhodococcus equi is responsible for:

A

equine foal pneumonia

48
Q

Which species are most often affected by Listeriosis?

A

Ruminants (sheep and cattle)

49
Q

What does E. rhusiopathie cause?

A

Erysipelas in pigs

50
Q

What are the pathologic species of Nocardia?

A

N. asteroides
N. brasiliensis
N. caviae

51
Q

What causes dermatitis?

A

Dermatophiles congolensis

52
Q

Under what conditions does B. anthracis sporulate?

A

aerobic

53
Q

Acute and peracute forms of B. anthracis occurs in:

A

Bovine and sheep

54
Q

Factor II is:

A

protective factor

55
Q

B. anthracis secrete:

A

tri-partite exotoxin (pleiotrophic effects on host)

56
Q

Infectious necrotic hepatitis is caused by:

A

C. novyi

57
Q

What are sporulation toxins and when are they formed?

A

Formed intracellularly and released at time of sporulation (e.g. C. perfringens)

58
Q

Which species are most susceptible to C. perfringens?

A

Sheep and goat

59
Q

How many toxins are there for C. botulinum?

A

A –> G

60
Q

How do animals develop botulism?

A

Ingestion of preformed toxin
Adsorption of toxin from wound contamination

(Clostridium botulinum)

61
Q

Lowenstein-Jensen agar is used for:

A

Mycobacteria

62
Q

M. tuberculosis and M. avium form:

A

Eugonic colonies

63
Q

Photochromagen strains form:

A

no pigment in darkness

64
Q

Chlamydia and Rickettsia are:

A

obligate cell parasites

65
Q

Coxiella burnetti can be serologically identified by

A

complement fixation
agglutination

66
Q

Larvae and nymphs transmit Coxiella burnetti:

A

to small vertebrate infections

67
Q

What is the causative agent for psittacosis and ornithosis?

A

Chl. psittaci

68
Q

What stain technique is used to identify Chlamydia?

A

Stamp and stableforth (modified Ziehl-Neelsen)

69
Q

Culture media for Chlamydia:

A

embryonated hen eggs (egg culture)
cell/tissue culture

70
Q

Culture media for mycoplasma

A

Enriched, 20% blood serum (human or horse)

71
Q

Mycoplasma meleagridis cause:

A

Mycoplasma of Turkeys

Microbiology Final (9 decks)

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