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Microbiology

Total questions: 93

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

This organism was isolated from an abscess in the interdigital space of a small mixed breed dog. BAP: white colonies. Gram: positive, cocci, clusters. Hemolysis: double zone. Coagulase: positive. VP: negative.

(a)  

2.

This organism was isolated from a urine sample from a 12-year-old cat with cystitis. Hemolysis: alpha on BAP. Gram stain: chaining cocci.

(a)  

3.

This organism was isolated from skin lesions on a one-week-old pig. BAP: larger colonies, grey. Gram: positive, cocci, clusters. Coagulase: negative/weak. Hemolysis: none. VP: negative.

(a)  

4.

This organism was isolated from a biopsy of a chronic skin lesion on the neck of a Brittany Spaniel. Gram: positive, cocci, clusters. Hemolysis: double zone not well defined or absent on BAP. Kligler's: red slant. Coagulase: positive. VP: positive.

(a)  

5.

This organism was isolated from the meninges of two 2-week-old piglets that were down and paddling. Hemolysis: alpha on BAP. Gram stain: positive, cocci, chaining.

(a)  

6.

These organisms were isolated from the milk of a dairy cow with mastitis. CAMP: positive. BAP: narrow zone or weak beta hemolysis. Gram stain: positive, cocci, chaining.

(a)  

7.

These organisms were isolated from the milk of a dairy cow with mastitis. CAMP: negative. BAP: alpha hemolysis, greenish discoloration. Gram stain: positive, cocci, chaining.

(a)  

8.

These organisms were isolated from the milk of a dairy cow with mastitis. Gram: positive, cocci, clusters. BAP: no hemolysis. Coagulase: negative. VP: positive.

(a)  

9.

These organisms were isolated from the milk of a dairy cow with mastitis. BAP: double zone hemolysis with gold colonies. Gram: positive, cocci, clusters. Coagulase: positive. VP: positive.

(a)  

10.

This organism was isolated from an abscessed lymph node on the neck of a horse. The horse had been off feed the week before and had a moderately high fever for 5 days. BAP: strong beta hemolysis. Gram stain: positive, cocci, chaining.

(a)  

11.

This organism was isolated from a skin wound on the leg of a 2-year-old quarter horse. BAP: strong beta hemolysis. Broth tube: settling. Gram stain: positive, cocci, chaining.

(a)  

12.

Which streptococcus species is the only group A species?

(a)  

13.

What bacteria is associated with the following diseases: pharyngitis, scarlet fever, rheumatic fever, impetigo, erysipelas, and cellulitis?

(a)  

14.

Which bacteria is most commonly associated with strangles in horses?

(a)  

15.

This organism was cultured from a dog who died of a highly contagious hemorrhagic pneumonia. BAP: wide zone beta hemolysis and small colonies. Gram stain: positive, cocci, chaining. *Also can be the cause of "alpaca fever".

(a)  

16.

This bacteria was cultured from a sow with metritis. Upon necropsy they also found vegetative valvular endocarditis. BAP: beta hemolysis and small colonies. Gram stain: positive, cocci, chaining.

(a)  

17.

Which strep in pigs is a large zoonotic concern?

(a)  

18.

Which strep causes greening of the agar, non-hemolytic, found on bedding and in the urinary tract?

(a)  

19.

This bacteria was cultured form a human with respiratory disease. Gram stain: positive, cocci, diploid arrangement. BAP: alpha hemolytic.

(a)  

20.

This bacteria is associated with biowarfare, malignant carbuncles, gastroenteritis, and woolsorter's disease. Gram: positive large rods.

(a)  

21.

This bacteria is associated with food poisoning, infections in guinea pigs, and some mastitis in dairy cows. Gram: positive large rods

(a)  

22.

This bacteria is an insect pathogen.

(a)  

23.

What is the most important pathogenic species in the genera Listeria?

(a)  

24.

This bacteria was cultured from several animals on the farm. One cow and two goats who had a history of late term abortion and circling in one direction with unilateral facial paralysis. BAP: narrow beta hemolysis. Gram: positive, small, fat, rods. Catalase: positive. Rapid reduction in litmus milk.

(a)  

25.

This bacteria was cultured from a farm with one pig with square red skin lesions and another with acute lameness. BAP: alpha hemolysis, tiny clear colonies. Catalase: negative. Kligler's: positive. Gram: positive, slender rods.

(a)  

26.

This bacteria was cultured from a turkey in a suspected cock fighting ring who had septicemia and cyanosis. BAP: alpha hemolysis, tiny clear colonies. Catalase: negative. Kligler's: positive. Gram: positive, slender rods.

(a)  

27.

This bacteria was cultured from a swine veterinarian with purplish and erythematous hands and arms. BAP: alpha hemolysis, tiny clear colonies. Catalase: negative. Kligler's: positive. Gram: positive, slender rods.

(a)  

28.

This bacteria was cultured from a human with diphtheria. Gram: positive, rods club shaped, palisades.

(a)  

29.

This bacteria was cultured from a cow with pyelonephritis and a goat with pizzle rot. BAP: non-hemolytic. Gram: positive, rods club shaped, palisades. Catalase: positive. Rapid Urease: positive.

(a)  

30.

This bacteria was cultured at necropsy from a sheep with caseous lymphadenitis. Gram: positive, short rods, palisades. BAP: narrow beta hemolysis, small grey/yellow/pink colonies with a waxy appearance. Urease: positive.

(a)  

31.

This bacteria was cultured from a horse with ulcerative lymphangitis. Gram: positive, short rods, palisades. BAP: narrow beta hemolysis, small grey/yellow/pink colonies with a waxy appearance. Urease: positive.

(a)  

32.

This bacteria was cultured from an abscess on a cow. Gram: positive, short rods, palisades. BAP: narrow beta hemolysis, small grey/yellow/pink colonies with a waxy appearance. Urease: positive.

(a)  

33.

Which corynebacterium can be found in the ear of a dog?

(a)  

34.

This bacteria was cultured from a foal with suppurative bronchopneumonia. Gram: positive, large rods, pleomorphic. BAP: small colonies that turn salmon pink with age, no hemolysis. CAMP: positive. Carbohydrate: no fermentation. Agar: cocci. Broth: rods.

(a)  

35.

This bacteria was cultured from a pig with an abscessed lymph node. Gram: positive, large rods, pleomorphic. BAP: small colonies that turn salmon pink with age, no hemolysis. CAMP: positive. Carbohydrate: no fermentation. Agar: cocci. Broth: rods.

(a)  

36.

This bacteria was cultured at necropsy from a cow with chronic abscessing mastitis, suppurative pneumonia, and abscesses in the peritoneal and thoracic cavity. Gram: positive, small rods in chinese letter shapes or Vs. Catalase: negative. BAP: small colonies, beta hemolysis.

(a)  

37.

This bacteria was cultured from a sheep/goat/pig/dog with pneumonia. Gram: positive, small rods in chinese letter shapes or Vs. Catalase: negative. BAP: small colonies, beta hemolysis.

(a)  

38.

This bacteria was cultured from a deer farm from deer who had open sores on their legs and base of antlers, one deer had an abscess in the brain, and several fawns who died of pneumonia. Gram: positive, small rods in chinese letter shapes or Vs. Catalase: negative. BAP: small colonies, beta hemolysis.

(a)  

39.

staphylococcus sciuri is associated with which of the following?

a)

low-grade mastitis in dairy cows

b)

cystitis in humans

c)

skin of poultry

40.

staphylococcus xylosus is associated with which of the following?

a)

low-grade mastitis in dairy cows

b)

cystitis in humans

c)

skin of poultry

41.

staphylococcus saprophyticus is associated with which of the following?

a)

low-grade mastitis in dairy cows

b)

cystitis in humans

c)

skin of poultry

42.

staphylococcus gallinarum is associated with which of the following?

a)

low-grade mastitis in dairy cows

b)

cystitis in humans

c)

skin of poultry

43.

This bacteria was cultured from a human with strep throat. Gram stain: positive, cocci, chaining. Hemolysis: beta hemolytic.

(a)  

44.

This organism was isolated from the uterus of a quarter horse mare. BAP: strong beta hemolysis. Broth tube: settling. Gram stain: positive, cocci, chaining.

(a)  

45.

This organism was isolated from several sows who died suddenly after being transported to a slaughter house. These sows had bacterial sepsis. BAP: strong beta hemolysis. Broth tube: settling. Gram stain: positive, cocci, chaining.

(a)  

46.

which subspecies of streptococcus dysgalactiae is associated with mastitis?

(a)  

47.

which subspecies of streptococcus dysgalactiae is associated with metritis and cervicitis in sows?

(a)  

48.

This organism was cultured from the male reproductive tract of a dog. Gram stain: positive, cocci, chaining. BAP: wide beta hemolysis.

(a)  

49.

This organism was cultured from a swine jowl abscess. Gram stain: positive, cocci, chaining.

(a)  

50.

select the streps in human oral normal flora

a)

s. uberis

b)

s. sanguis

c)

s. mutans

d)

s. plagiae

51.

which "group" of strep "showers" the bloodstream upon dental manipulation or teeth brushing?

(a)  

52.

A farmer had several cattle who suddenly did not appear well. He went to eat lunch, and came back to find they had died. Upon necropsy they were found to have acute overwhelming septicemia. The following organism was cultured. Gram: positive, large rods, long chains, spores. BAP: non-hemolytic, ground glass texture.

(a)  

53.

This organism was cultured from a horse who was showing signs of colic and was swollen with edema in the head, neck, shoulders, and throat. Gram: positive, large rods, long chains, spores. BAP: non-hemolytic, ground glass texture.

(a)  

54.

This organism was cultured from a dog with diarrhea, vomiting and tense abdomen upon palpation. The organism was also found in the new canned food the owner started using 24 hours prior. Gram: positive, large rods, long chains, spores. BAP: beta hemolytic, ground glass texture.

(a)  

55.

You're street cop investigating the deaths of several heroin addicts. You manage to find several grams between all the victims and culture the same organism. Gram: positive, large rods, long chains, spores. BAP: beta hemolytic, ground glass texture.

(a)  

56.

This organism has a gene which has been cloned into corn because of its natural insecticide qualities. Gram: positive, large rods, long chains, spores. BAP: beta hemolytic, ground glass texture.

(a)  

57.

You culture bacteria from a pig with pyelonephritis. Gram: positive, rods. BAP: no growth in oxygen.

(a)  

58.

which of the following staphylococcus are double zone hemolysis?

a)

aureus

b)

schleiferi

c)

hyicus

d)

epidermis

e)

pseudintermedius

59.

which of the following streptococcus are alpha hemolysis?

a)

dysgalactiae

b)

uberis

c)

equi

d)

canis

e)

suis

60.

which of the following are beta hemolytic?

a)

bacillus cereus

b)

listeria monocytogenes

c)

corynebacterium pseudotuberculosis

d)

trueperella pyogenes

61.

bacillus anthracis has what type of hemolysis?

a)

beta

b)

alpha

c)

none

62.

micrococcus luteus has what type of hemolysis?

a)

beta

b)

alpha

c)

none

63.

enterococcus facium has what type of hemolysis?

a)

beta

b)

alpha

c)

none

64.

corynebacterium auriscanis has what type of hemolysis?

a)

beta

b)

alpha

c)

none

65.

rhodococcus equi has what type of hemolysis?

a)

beta

b)

alpha

c)

none

66.

which of the following staphylococcus COULD be coagulase positive

a)

aureus

b)

schleiferi

c)

hyicus

d)

epidermidis

e)

pseudintermedius

67.

which is catalase positive?

a)

Staphylococcus

b)

Streptococcus

68.

which of the following COULD be CAMP positive?

a)

Streptococcus agalactiae

b)

Streptococcus uberis

c)

Rhodococcus equi

d)

Listeria monocytogenes

e)

Trueperella pyogenes

69.

Which of the following is reverse CAMP?

a)

Corynebacterium renale

b)

Corynebacterium pseudotuberculosis

c)

Streptococcus dysgalactiae

d)

Rhodococcus equi

70.

Which coccus (genus (species)) is HUGELY positive to raffinose

(a)  

71.

which is penicillin sensitive?

a)

bacillus cereus

b)

bacillus anthracis

72.

which of the following is casein positive

a)

trueperella pyogenes

b)

rhodococcus equi

c)

corynebacterium pseudotuberculosis

d)

erysipelothrix rhusiopathiae

73.

which of the following has urease positive

a)

erysipelothrix rhusiopathiae

b)

corynebacterium renale

c)

corynebacterium pseudotuberculosis

d)

rhodococcus equi

e)

trueperella pyogenes

74.

which of the following has rapid reduction of litmus milk

a)

bacillus cereus

b)

listeria monocytogenes

c)

erysipelothrix rhusiopathiae

d)

corynebacterium renale

e)

truperella pyogenes

75.

which of the following turns litmus milk pink

a)

bacillus cereus

b)

listeria monocytogenes

c)

erysipelothrix rhusiopathiae

d)

corynebacterium renale

e)

truperella pyogenes

76.

which of the following turns litmus milk blue

a)

bacillus cereus

b)

listeria monocytogenes

c)

erysipelothrix rhusiopathiae

d)

corynebacterium renale

e)

truperella pyogenes

77.

this organism was isolated from the liver and spleen of a 32 pound male broad-breasted bronze domestic turkey. The turkey was part of a backyard (pet) flock and the family had noticed that it wasn't eating the previous evening. It was found dead in the morning. Kliglers: positive. BAP: sm colonies. Hemolysis: alpha.

(a)  

78.

these organisms were isolated from milk samples from a 35-cow Guernsey organic dairy farm near Saanich, British Columbia, Canada. BAP: sm colonies. CAMP: positive. Hemolysis: narrow beta. Casein: negative.

(a)  

79.

these organisms were isolated from milk samples from a 35-cow Guernsey organic dairy farm near Saanich, British Columbia, Canada. BAP: sm colonies. Hemolysis: narrow beta. Casein: positive. CAMP: negative.

(a)  

80.

these organisms were isolated from milk samples from a 35-cow Guernsey organic dairy farm near Saanich, British Columbia, Canada. BAP: sm colonies. Hemolysis: alpha. CAMP: positive. Casein: negative.

(a)  

81.

this organism was isolated from a transtracheal washing of a 4-month-old arabian colt with characteristic lung lesions on ultrasound. BAP: mucoid. CAMP: positive.

(a)  

82.

this organism was isolated from the kidney of a feedlot steer near El Paso, Texas. The steer had been purchased three months before with a group of 950 pounders but had been hunched up and losing weight for the past two weeks. It was euthanized and sent to post-mortem. BAP: sm colonies. Hemolysis: none. Urease: rapid positive.

(a)  

83.

this organism was isolated from the milk of a 4-year-old Saanen dairy goat with an elevated somatic cell count in the milk and a mild clinical mastitis. BAP: medium colonies. Coagulase: negative. Hemolysis: none.

(a)  

84.

this organism was isolated from a large caseous abscess in the peritoneal cavity of a Percheron gelding from a New Mexico ranch. the gelding had been losing weight despite several attempts at antibiotics and other treatments in lieu of a diagnosis. BAP: sm colonies. Gram: sm. rods, disorganized in palisades. Hemolysis: narrow beta.

(a)  

85.

this organism was isolated from the brain of a 6-month-old feeder lamb that was found down and unable to stand. it was part of a consignment of 2000 western lambs that had been received 10 days previously. BAP: sm colonies. Gram: sm fat rods, clumps. Litmus: rapid reduction, turned white.

(a)  

86.

this organism was isolated from a 2-year old mare that was anorexic and had a fever of 104 F and swollen lymph nodes in the neck. BAP: sm clear colonies. Hemolysis: beta.

(a)  

87.

this organism was isolated from the external ear canal of a 5-year-old english cocker spaniel with otitis externa. BAP: sm. yellow colonies. Hemolysis: none. Gram: sm rods, palisades, Vs.

(a)  

88.

this organism was isolated from one of several pustules on the abdomen of a 9-month-old flat coated retreiver (dog). BAP: sm white colonies. Hemolysis: double. Coagulase: positive. Gram: cocci, clumps.

(a)  

89.

this organism was isolated from a neck wound associated with a Cuterebra larva infestation in a 6-month old kitten. BAP: sm clear colones. Gram: purple, whispy. Hemolysis: beta.

(a)  

90.

this organism was isolated from the meninges of a 3-week-old pig that was uncoordinated and found dead the next day. BAP: sm clear colonies. Hemolysis: alpha. Gram: cocci, chaining.

(a)  

91.

this organism was isolated from the meninges of a 3-week-old pig that was uncoordinated and found dead the next day. BAP: sm clear colonies. Hemolysis: alpha. Gram: cocci, chaining.

(a)  

92.

this organism was recovered from the skin of a weanling pig with severe exudative epidermitis. BAP: medium white colonies. Hemolysis: none. Coagulase: negative.

(a)  

93.

This organism was isolated from a dog with a recurrent ear infection. Gram: positive, cocci, clusters. Hemolysis: double zone not well defined or absent on BAP. Kligler's: red slant. Coagulase: positive. VP: positive.

(a)