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Eksamen Para2 > protozoology > Flashcards

protozoology Flashcards

1
Q

The vectors of Trypanosoma cruzi are

bedbugs
soft ticks
kissing bugs
hard ticks

A

kissing bugs

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2
Q

what is characteristic of “ dollar spot”?

  • displacement
  • predilection site : genitalia
  • 10- 15 cm diameter
    -they always appear in dourine
A

displacement

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3
Q

what is the most frequent cause of death following the 4th phase of dourine?

  • collapse of circulation
  • decubitus
  • facial paralysis
  • pneumonia
A

pneumonia

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4
Q

Which Giardia genotype(s) is (are) zoonotic? (more than one answer maybe correct!)

*A
*B
*C
*D

A

A& B

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5
Q

In which of the following is Toxoplasma gondii highly foetopathogenic?

  • Cattle
  • Sheep
  • Horse
  • Pig
A
  • Sheep
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6
Q

Which species will frequently cause haemorrhages?

T. brucei brucei
T. vivax
T. congolense
None of these

A

T. vivax

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7
Q

what is the approx.. size of giardia cyst?

  • 10-20 micrometers
  • nearly 100 micrometers
  • 30-40 micrometers
  • 20-30 micrometers
A
  • 10-20 micrometers
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8
Q

Which Eimeria sp. is highly pathogenic in chicken?

  • E. maxima
  • E. intestinalis
  • E. necatrix
  • E. mitis
A
  • E. necatrix
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9
Q

Of which Eimeria sp./spp. can the praepatent period be 4 days or shorter? (more than one answer may be right!)

  • E. praecox
  • E.maxima
  • E. acervuline
  • E.mitis
A

E. praecox
E. acervuline
E.mitis

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10
Q

Which of the following pair of Eimeria species has complementary location in the small intestine?

  • E. intestinalis & E. magna
  • E. duodenalis & E. media
  • E. magna & E. magna
  • E. exigua & E. intestinalis
A
  • E. intestinalis & E. magna
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11
Q

What is the characteristic lesion on the hepatic form of pigeon trichomonosis?

  • Pea size necroses
  • Fibrinous perihepatitis
  • Abscess
  • Pinpoint necroses
A
  • Pea size necroses
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12
Q

Which species will cause mucosal thickening distally in the small intestine?

  • Eimeria ovinoidalis
  • Eimeria crandallis
  • Eimeria parva
  • Eimeria bakuensis
A
  • Eimeria ovinoidalis
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13
Q

Which Cryptosporidium sp./spp. occur(s) frequently in post-weaned or older calves? (more than one answer maybe correct!)

  • C. baileyi
  • C. bovis
  • C. andersoni
  • C. parvum
A
  • C. bovis
  • C. andersoni
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14
Q

In which age group are bulls more susceptible to Tritrichomonas foetus?

  • 1-2 years of age
  • Below 3 years
  • Above 3 years
  • 2-4 years of age
A
  • Above 3 years
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15
Q

How does Histomonas meleagridis spread to the liver?

  • Haematogenously
  • From the cloaca
  • From the skin
  • From the navel
A
  • Haematogenously
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16
Q

Which Eimeria sp. is highly pathogenic in chicken?

  • E. acervuline
  • E. mitis
  • E. tenella
  • E. flavescens
A
  • E. tenella
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17
Q

Which protozoon is frequently carried by nutria or coypu?

Giardia
Trichomonas
Toxoplasma
Babesia

A

Toxoplasma

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18
Q

How does Trichomonas gallinae reach the liver?

  • Spreading from heart apex
  • Spreading from the navel
  • Spreading from oesophagus
  • Haematogenously
A
  • Spreading from the navel
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19
Q

Which grographical region has serious problems with cattle tritrichomonosis?

  • None of these
  • Certain US states
  • Europe
  • Hungary
A
  • Certain US states
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20
Q

Which dog breed is predisposed to subclinical babesiosis (carrier state)?

  • Spaniel predisposed
  • Irish setter predisposed
  • German shepherd
  • Dalmatiner
A
  • German shepherd
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21
Q

In which “aberrant” host species is Sarcocystis neurona highly pathogenic?

  • Cattle
  • Sheep
  • Pig
  • Horse
A
  • Horse
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22
Q

Please select the moderately pathogenic Eimeria sp./spp. for which the location is indicated properly?

  • E. irresidua – duodenum
  • E. intestinalis – ileum
  • E. piriformis – colon
  • E. magna – ileum
A
  • E. piriformis – colon
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23
Q

Which of the following pair of Eimeria species has complementary location on the small intestine?

E. brunetti & E. mitis
E. maxima & E. necatrix
E. acervulina & E. mitis
E. acervulina & E. precox

A

E. acervulina & E. mitis

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24
Q

There is no sporocyst in its sporulated oocyst (more than one answer maybe correct)

  • Cryptosporidium
  • Plasmodium
  • Hepatozoon
  • Isospor
A
  • Cryptosporidium
  • Plasmodium
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25
What is the most pathogenic stage of Eimeria acervuline? * Second schizont * Gamont * First schizont * Oocyst
* Oocyst
26
Which are the predisposing factors of pigeon Trichomonosis? (more than one answer may be correct) * A-vitamin deficiency * Giardiasis * Ammonia from litter * Iron deficiency
* A-vitamin deficiency * Giardiasis?? * Ammonia from litter
27
What plays a central role in the pathogenesis of biliary coccidiosis? * Cirrhosis * Biliary hyperplasia * Anaemia * Hepatomegaly
* Biliary hyperplasia
28
Which statement is true for Klossiellosis? Oocysts form, but are not shed There is no oocyst Oocysts are of the Isospora-type Oocysts pass with the urine
Oocysts form, but are not shed
29
what is not caused by Trypanosoma cruzi? - Meningoencephalitis - Megalomania - Myocarditis - Oedema
Megalomania
30
Which plasmodium species is not human pathogenic? * P. vivax * P. simium * P. knowlesi * P.ovale
* P. simium
31
Mostly where does the first schizogony of Leucocytozoon species take place? In liver parenchyma cells In endothelial cells In renal tubular epithelial cells In muscle
In liver parenchyma cells
32
what is the size range of Trypanosomes? 60-100 μm 30-50 μm 10-20 μm 10-40 μm
10-40 μm
33
How can infection with Encephalitozoon cuniculi typically be acquired? * With coprophagy * By vectors * With eating transport hosts * Prenatally
* Prenatally
34
Where does exoerythrocytaer schizogony of Plasmodium species take place in mammals? * Liver * White blood cells * Lymph node * Skin
* Liver
35
Which host has asymptomatic Trypanosoma brucei evansi infection? * Cattle * Horse * Camel * Dog
* Cattle
36
What may predispose a dog to entamoebosis? * Living together with cats which pass cysts in their faeces * Eating raw pork * Drinking from trophozoite-containing water * Entamoebosis of the owner
* Entamoebosis of the owner
37
The Hepatozoon canis gamont: what is the shape and what cell type is it in? * Elliptic, neutrophilic grc. * Oval, monocyte * Onion-like, splenocyte * Round, neutrophilic grc
* Elliptic, neutrophilic grc.
38
Which of the following is an opportunistic pathogen that is taxonomically a protozoon but not a member of phylum Apicomplexa? * Cryptosporidium parvum * Toxoplasma gondii * Acanthamoeba castellani * Encephalitozoon cuniculi
* Acanthamoeba castellani
39
Which Eimeria sp. May have high pathogenicity similar to that of Eimeria zuernii? * E. alabemensis * E. ellipsoidalis * E. subspherical * E. auburnensis
* E. alabemensis
40
What plays a central role in the background of waving parasitaemia in the case of nagana? * Superinfection * Exflaggellation * VSG expression * Immunosuppression
* VSG expression
41
How many Eimeria spp. May cause either haemorrhagic or fibrinous lesions in the caeca of chickens? * Two * One * Four * Three
* Two
42
How many Eimeria spp. Cause haemorrhagic lesions in the small intestine of the chicken? * Five * Four * Two * Three
* Two
43
Which Eimeria sp. Has low pathogenicity in chickens? * E. tenella * E. acervulina * E. duodenalis * E. flavescens
* E. acervulina
44
How can we get infected with giardia from natural water in Central Europe (minimal infectious dose in 10 cysts)? * There is no way, because beavers are rare * Rarely by drinking natural water * During swimming * My washing food in natural water
* Rarely by drinking natural water
45
Which does not have cyst? * Trichomonas gallinae * Giardia duodenalis * Acanthomoeba castellani * Entamoeba histolytica
* Trichomonas gallinae
46
Please select the highly pathogenic Eimeria sp. For which the location is indicated properly: - E. irresidua – jejunum - E. flavescens – caecum - E. intestinalis – caecum - E. magna – duodenum
E. flavescens – caecum
47
What is the characteristic lesion of Eimeria bakuensis infection, and in which part of the gut? - Haemorrhages in duodenum - Colon ulcers - Foci in ileum - Pseudomembrane in jejunum
- Foci in ileum
48
Of which Eimeria sp. Is it characteristic to cause haemorrhages in a ladder-like pattern? E. tenella E. necatrix E. maxima E. brunetti
E. brunetti
49
what is the characteristic gestation period for neosporosis-related abortions in cows? - 2-4 months - 4-6 months - 8-9 months - 6-8 months
4-6 months
50
what is the main clinical type of cryptosporidiosis in the birds? - digestive - renal - respiratory - ocular
respiratory
51
Which are the ways of attenuation in the case of Paracox, Livacox? ( more than one answer) * Making subunits * Selection for early maturation * Gamma irradiation * Adaptation to CAM
* Selection for early maturation * Adaptation to CAM
52
Which Eimeria species occurs typically in breeding and replacement flocks, but less in broilers? * E. acervulina * E. mitis * E. maxima * E. brunetti
* E. maxima
53
Which Trypanosoma sp. Does the causative agent of dourine belong to? T. brucei T. equiperdum T. equinum T. evansi
T. brucei
54
Which protozoon is frequently carried by beavers? - Giardia - Sarcocystis - Trichomonas - Babesia
Giardia
55
What are the routes of infection with Leishmania spp.? - All of these - With biting - Venereal, transplacental - Vector borne
All of these
56
Which Eimeria sp./spp. Cause(s) typically coagulation necrosis? E. tenella E. brunetti E. maxima E. necatrix
E. brunetti
57
Which species will cause mucosal thickening in the colon? - Eimeria bakuensis - Eimeria arloingi - Eimeria ellipsoidalis - Entamoeba histolytica
Entamoeba histolytica
58
What is characteristic of the pathology of turkey Histomonosis? - Generalized form - Dry liver necrosis - Bloody caecal contents - Moist liver necrosis
Dry liver necrosis
59
Which is the staining method to distinguish Encephalitozoon cuniculi from protozoan parasites belonging to other groups? * Ziehl-neelsen * Kinyoun * Gram * PAS
* Ziehl-neelsen
60
Which Eimeria species does not occur behind the small intestine? * E. meleagridis * E. meleagrimitis * E. gallopavonis * E. adenoeides
* E. meleagridis
61
Which phenotype is not characteristic of Trypanosoma cruzi? * Amastigote * Promastigote * Epimastigote * Trypomastigote
* Promastigote
62
Which of the following lives intracellularly? * Promastigote * Amastigote * Trypomastigote * Epimastigote
* Amastigote
63
Infection with which Eimeria species results in sunken eyes, vertigo? - E. truncata - E. anatis - E. anseris - E. danailovi
E. truncata
64
What should be demonstrated in blood smears in order to diagnose haemoproteosis? * Spindle shape Gamont next to the nucleus of white blood cells * Spindle shape Gamont next to the nucleus of red blood cells * Sausage-like Gamont next to the nucleus of red blood cells * Sausage-like Gamont next to the nucleus of white blood cells
* Sausage-like Gamont next to the nucleus of red blood cells
65
What is the host of Eimeria kotlani? * Pheasant * Duck * Goose * Turkey
* Goose
66
Which is the main zoonotic Babesia sp. (sensu stricto) in Europe? * B. ovis * B. bovis * B. divergens * B. microti
* B. divergens
67
What is the main location of Eimeria maxima? * Ileum * Rectum * Duodenum * Jejunum
* Jejunum
68
Which domestic animal is susceptible for the highest number of Cryptosporidium species? * Sheep * Cattle * Pig * Dog
* Cattle
69
Which can shed oocysts of Eimeria coecicola? * Rabbit * Mouse * Cat * Dog
* Rabbit
70
Which of the following species develops also extraintestinally? * Eimeria ninakohlyakimovae * Eimeria ovinoidalis * Eimeria parva * Eimeria crandallis
* Eimeria ninakohlyakimovae
71
How can a dog become infected with Neospora caninum? (more than one answer may be correct!) * From raw pork * With oocysts * Galactogenically * Transplacentally
* From raw pork * With oocysts ????? * Transplacentally
72
Please select the Cryptosporidium sp./spp. For which the location is indicated properly: * C. muris – small intestine * C. parvum – stomach * C. adnersoni – colon * C. bovis – small intestine
* C. bovis – small intestine
73
Which Eimeria sp./spp. Have 6 days of prepatent period (More than one may be right!) * E. maxima * E. brunetti * E. necatrix * E. tenella
* E. necatrix * E. tenella
74
What is the incubation period of dourine? * 1-2months * 3-4 weeks * 14-16 days * Can be several years
* 1-2months
75
Where do besnoitia cysts occur in cattle? (More than one may be right!) * Respiratory mucosae * Epidermis * Sclera * Genital mucosae
* Respiratory mucosae * Epidermis * Sclera * Genital mucosae
76
Which Eimeria sp. Is highly pathogenic in cattle? * E. necatrix * E. ellipsoidalis * E. zuernii * E. bakuensis
* E. zuernii
77
Which Sarcocystis sp. Has carnivores as intermediate hosts? * S. rileyi * S. procifelis * S. cruzi * S. neurona
* S. neurona
78
What is the main location of Eimeria tenella? * Duodenum * Caecum * Rectum * Jejunum
* Caecum
79
What is the most frequent cause of death in the case of nagana? * Heart failure * Pneumonia * Rupture of spleen * Renal failure
* Heart failure
80
What is the incubation period of canine babesiosis? * 1 day (also peracute) * 4-21 days * 1-2 weeks * 14-16 days
* 4-21 days
81
Which tick genus includes the main vector of the large babesia of the dog in Europe? * Hyalomma * Ixodes * Haemaphysalis * Dermacentor
* Dermacentor
82
Which tick can be the carrier for small babesia in dogs?
* Rhipicephalus
83
Breed disposition to Babesia: (more than one may be right) * Dalmatian * Spaniel * German Shepherd * Irish setter
spaniel irish setter
84
Which Giardia genotype occurs frequently in cattle? * C * D * E * F
* E
85
What is the end stage of Hepatozoon canis in ticks? * Oocysts * Syzygium * Sporokinetes * Free sporozoites
* Oocysts
86
In what can Encephalitozoon spores be found? (more than one answer maybe correct) * Faeces * Urine * Sweating * Respiratory secretion
* Urine
87
Which one is not a characteristic sign of surra? * Anorexia * Anaemia and haemorrhage * Paralysis of hind quarters * Diarrhoea
* Paralysis of hind quarters
88
Which characteristic of Klossiella species is exceptional among haemogregarines? * Development is not restricted to cells of the haemolymphatic system * They are homoxenous * There may be 40-60 sporocysts in the oocysts * Klossiella species are not haemogregarines
* They are homoxenous
89
What is the form Naegleria fowleri does not have? * Provided with two flagella * Amoebic * Cyst * Provided with one flagellum
* Provided with one flagellum
90
In which animal does klossiellosis usually have pathogenic significance? * Mouse * Donkey * Rat * Horse
* Mouse
91
Which domestic animals do not have Eimeria species? * Ducks * Carnivores * Horses * Pigs
* Carnivores
92
Which of the following does not cause haemorrhages? * Eimeria anatis * Tyzzeria perniciosa * Eimeria danailovi * Wenyonella philiplevinei
* Eimeria anatis
93
Which clinical sign is not characteristic of encephalitozoonosis? * Spasms * Ataxy * Posterior paralysis * Torticollis
* Spasms
94
What is the most frequent cause of death during leishmaniasis? * Septicemia * Asphyxia * Heart failure * Renal failure
* Renal failure
95
What can typically result from the infection with cryptosporidium parvum? * Crypt hypoplasia * Fibrinous pseudomembranes * Apoptosis * Necrosis
* Apoptosis
96
which ocular sign is usually NOT among tose caused by dourine? - strabism - nystagmus - mydrasis - lagophtalmia
- nystagmus
97
what is the incubation period of leishmaniasis? - can be up to several years - there is no incubation period because of direct inoculation - 24-25 days - usually 2-3 months
- can be up to several years
98
It sporulated oocyst form in vector (more than one answer may be right) - babaesia - hepatozoon - plasmodium - theileria
- babaesia - hepatozoon - plasmodium - theileria
99
which structures can harbour tricomonas foetus? - cervix - uterus - vagina - all three
- all three
100
what is cryptosporiduim oocyst? - four sporocyst - four free sporocyst - two sporocyst - eight free sporozoites
- four free sporocyst
101
what are likely transport host of tritrichomonas fetus towards cats? - earthworm - beetles - cockroaches - slugs
- slugs
102
what is not characterisitcs of equine theileriosis? - neurological signs - pariental infection - hemoglobinuria - haemorrhages melaena
- neurological signs
102
what is not characterisitcs of equine theileriosis? - neurological signs - pariental infection - hemoglobinuria - haemorrhages melaena
- neurological signs
103
In which host does toxoplasmosis play a large role in the etiology of abortion? - sheep - cattle - cat - pig
- sheep
104
Which region of Africa does the acute form of sleeping sickness occur in ? - southern - central - western - eastern
- eastern
105
the causative agent of surra - does not occur in the EU - has broad host spectrum - infects only horses - its transdermal by tse-tse flies
- its transdermal by tse-tse flies
106
which species occurs also behind the small intestine? - Wenyonella philiplevinei - eimeria danailovi - eimeria anatis - tyzzeria pernicosa
- Wenyonella philiplevinei

Eksamen Para2 (3 decks)

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