Para Lab 6 PQs Flashcards
Correct term for host range of Hepatozoonosis:
Obligate heteroxenous
In which cells do gamonts of Hepatozoon develop?
Neutrophil granulocytes
Which form of Hepatozoon canis can be found in the neutrophil granulocytes
Gamont
What is the vector of Hepatozoon canis?
brown dog tick
Symptom NOT in dog affected with Babeiosis:
abortion
Animal that aborts foetus in Babeiosis:
cow
In which animal does Babeiosis infection affect the eyes? (clinical sign)
dog
Which Babesia has zoonotic significance?
B. bingemina -> More pathogenic, should be the correct answer
B. divergans of cow -> Stated in notes
What is the difference between the cell preference of Babesia and Theileria?
Theileria can develop in lymphocytes, Babesia does not
What symptom does not belong to the common symptoms of Babeiosis of dog?
abortion
Which host may show clinical signs in the eye during Babesia infection?
Dog
They get keratitis and iridocyclitits when infected with B. canis, B. vogeli, or B. gibsoni
What is the species of Babesia that have zoonotic character?
B. divergens of cow
What type of animals does Babeiosis affect?
mammals
Which species do not have haemoglobinuria as a clinical sign of Babeiosis?
horses
Babesia vogeli can infect
dogs
Which cells does Babesia first infect?
RBCs
Which species can occur in cattle?
B. divergans
Which is ‘small babesia’?
B. canis
Theileria develops where first?
Lymphocytes in the lymph nodes
Form of Theileria that occurs in RBC
Piroplasm
What is the difference between the cell preference of Babesia and Theileria?
Theileria can develop in lymphocytes, Babesia does not
In what cells do the Koch bodies develop?
Lymphocytes
Theleria annulata is seen in which species?
cattle
What is the size of Koch bodies?
10 – 12 um
Koch bodies are:
Schizonts in WBCs
Vertebrate animals susceptible to Encephalitozoonosis:
Many mammals (Rabbits, Rodents, Carnivores, Primates)
Which staining can’t you use in the detection of Encephalitozoa?
HE staining
Can use PAS, Gram +, Ziehl Neelson, and Indian ink for the spores
In Encephalitozoonosis, eye disorders are seen in which species?
Fox and Dog
Keratitis and night blindness
During the necropsy, thickened and nodular vessels in arteries of viscera can be seen with the naked eye in:
Encephalitozoonosis
Spores of E. cuniculi can be detected where in rabbits?
In the urine
What size are the Encephalitozoon spores?
1.5 x 2.5 um Elliptical or Oval
Which staining is used for Encephalitozoonosis?
Gram +
What kind of organ is affected by Encephalitozoon cuniculi?
Kidney
