PQ FINAL Flashcards
The vectors of Trypanosoma cruzi are
Bedbugs
Soft ticks
Kissing bugs
Hard ticks
Kissing bugs
Chagomaformation
Chaga’sDisease
What is characteristics of “Dollar-spots”?
Displacement
Predilection site: genitalia
10-15 cm diameter
They always appear in dourine
Displacement
Dourine –> trypanosoma Equiperdum 16-35microm
2-5cm
What is the most frequent cause of death following the 4th phase of dourine?
Collapse of circulation
Decubitus
Facial paralysis
Pneumonia
- Genitalia
- Urticaripahase
- Paralysis phase
- Recumbancy –> Cahexia, Decubital inf, Pneumonia (With 50% morality)
Which Giardia genotype(s) is (are) zoonotic? (more than one answer maybe correct!)
* A
* B
* C
* D
A and B
In which of the following is Toxoplasma gondii highly foetopathogenic?
* Cattle
* Sheep
* Horse
* Pig
Sheep
Early embryonic death
Reabsorption
Foetal death/mummification
Abortion
Stillbirth
Neonatal death
Infects most warm blooded mammals - Definitive Host felidae
Which species will frequently cause haemorrhages?
* T. brucei brucei
* R. Vivax
* T. Congolense
* None of these
- T. brucei brucei –> Inflamatory necrotic change
- **T. vivax –> cause located in the Blood
** - T. congolense –> Glomerulonephritis
What is the approx.. size of giardia cyst?
* 10-20 micrometers
* Nearly 100 micrometers
* 30-40 micrometers
* 20-30 micrometers
- 10-20 micrometers
Which Eimeria sp. is highly pathogenic in chicken?
* E. maxima
* E. intestinalis
* E. necatrix
* E. mitis
*** E. necatrix
**
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
- E. praecox –> Less than 4 days
- E. acervuline –> 4-5 days
- E.mitis –> 3-4 days
E.Maxima = 5-6days
E. Tenella and Necatrix = 6-7Days
E. Brunetti = 5days
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
**E. intestinalis (ileum+jejenum) & E. magna(Ileum+jejenum)
**
- G. duodenalis & E. media –> Duodenum & Jejenum
- E. exigua (whole small int) & E. intestinalis (ileum & Jejenum)
What is the characteristic lesion on the hepatic form of pigeon trichomonosis?
* Pea size necroses
* Fibrinous perihepatitis
* Abscess
* Pinpoint necroses
- Pea size necroses
Which species will cause mucosal thickening distally in the small intestine?
* Eimeria ovinoidalis
* Eimeria crandallis
* Eimeria parva
* Eimeria bakuensis
- Eimeria ovinoidalis
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
* C. Bovis
* C. Andersoni
- C. Baileyi –> Avian chryptorchism
- C. Bovis –> Weaned calves
- C. Andersoni –> Adults/Older calves
- C. Parvum –> Praeweaned young calves
C.Ryanae –> Post weaning calves
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
- Above 3 years
How does Histomonas meleagridis spread to the liver?
* Haematogenously
* From the cloaca
* From the skin
* From the navel
Haematogenously
Which Eimeria sp. is highly pathogenic in chicken?
* E. acervuline
* E. mitis
* E. tenella
* E. flavescens
*** E. tenella **+ E.Brunetti & E.Necatrix
Which protozoon is frequently carried by nutria or coypu?
* Giardia
* Trichomonas
* Toxoplasma
* Babesia
- Toxoplasma
Large Beaver like rodent
How does Trichomonas gallinae reach the liver?
* Spreading from heart apex
* Spreading from the navel
* Spreading from oesophagus
* Haematogenously
- Spreading from the navel
Which grographical region has serious problems with cattle tritrichomonosis?
* None of these
* Certain US states
* Europe
* Hungary
- Certain US states
Which dog breed is predisposed to subclinical babesiosis (carrier state)?
* Spaniel predisposed
* Irish setter predisposed
* German shepherd
* Dalmatiner
*** German shepherd
**
- Spaniel = predisposed
- Irish setter = predisposed
- German shepherd = SUBCLINICAL
- Dalmatiner
More resistant==>
* Beagles
* Foxterrier
In which “aberrant” host species is Sarcocystis neurona highly pathogenic?
* Cattle
* Sheep
* Pig
* Horse
“aberrant” = Diverging from normal type
- Horse
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
Rabit coccidiosis
**E. piriformis – colon
**
- E. irresidua – duodenum = Jejenum +/- Ileum = moderate
- E. intestinalis – ileum = High pathogenicity
E. piriformis – colon =
E. magna – ileum = + Jejenum
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
*** E. acervulina & E. mitis
**
Brunetti = colorectal
Mitis = Ileum
Maxima = Jejenum
Necatrix = Jejenum
Acervulina = Duodenum
Precox = Duodenum
Also E. Intestinalis and E. Magna
There is no sporocyst in its sporulated oocyst (more than one answer maybe correct)
* Cryptosporidium
* Plasmodium
* Hepatozoon
* Isospora
- Cryptosporidium = No sporocyst, but 4 free sporozoites
- Plasmodium = No sporocyst or Conoids = Fertilized motile zygote –> Ookinete
- Hepatozoon = 30-50 sporocysts
- Isospora = 2 sporocysts & 4 sporozoites
Eimeria = 4 sporocyst & 2 sporozoites
What is the most pathogenic stage of Eimeria acervuline?
* Second schizont
* Gamont
* First schizont
* Oocyst
4* Schizogony and Gametogony
- Oocyst
Which are the predisposing factors of pigeon Trichomonosis? (more than one answer may be correct)
* A-vitamin deficiency
* Giardiasis
* Ammonia from litter
* Iron deficiency
Cappillaria Nematodes
- A-vitamin deficiency
- Ammonia from litter
What plays a central role in the pathogenesis of biliary coccidiosis?
* Cirrhosis
* Biliary hyperplasia
* Anaemia
* Hepatomegaly
- Biliary hyperplasia
Which statement is true for Klossiellosis?
* Oocysts form, but are not shed
* There is no oocysts
* Oocysts are of the Isospora-type
* Oocysts pass with the urine
- Oocysts form, but are not shed - sporocysts are shed withe urine
- Oocysts are of the Isospora-type - 2*4 40-60 thin walled sporocyst w/free Luminal sporozoites
- Oocysts pass with the urine - sporocysts are
What is not caused by Trypanosoma cruzi?
* Meningoencephalitis
* Megalomania
* Myocarditis
* Oedema
Megalomania
Oedema –> Palpebral
Which plasmodium species is not human pathogenic?
* P. vivax
* P. simium
* P. knowlesi
* P.ovale
* P. simium (monkeys+P.knowlesi)
* P. knowlesi monkeys too
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
**
What is the size range of Trypanosomes?
* 60-100 μm
* 30-50 μm
* 10-20 μm
* 10-40 μm
* 10-40 μm
8-39micrometer Heteroxenous
How can infection with Encephalitozoon cuniculi typically be acquired?
* With coprophagy
* By vectors
* With eating transport hosts
* Prenatally
Prenatally
Where does exoerythrocytaer schizogony of Plasmodium species take place in mammals?
* Liver
* White blood cells
* Lymph node
* Skin
Liver
White blood cells = Birds
Skin = Birds
Birds –> skin mps cells
Which host has asymptomatic Trypanosoma brucei evansi infection?
* Cattle
* Horse
* Camel
* Dog
Cattle
* Horse = int fever, weakness, meningoencephalitis, HL paralysis, oedema
* Camel = very pathogenic
* Dog = Sc + laryngeal oedema, Occular signs, Mucosal Haemorrhage
(Evansi) - Surrae Hindi for Rotten
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
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.
**
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
**