or False Questions

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4 True or False Questions


Read each statement given below and indicate in the corresponding brackets whether it is [true] or [false].












































































































































































































1. Cats shed Toxoplasma gondii oocysts multiple times in their lifetime. [………]
2. Schistosome eggs can be detected only in faeces. [….…..]
3. In pregnant cats, Toxocara cati larvae migrate across the placenta to infect the fetuses. [….…..]
4. When using ivermectin for the treatment of demodicosis, do not give to dogs under 12 weeks old, do not administer with amitraz, and continue treatment for 1 month beyond two negative skin scrapings taken 2 weeks apart because treatment may take months to achieve a clinical remission. [….…..]
5. Leukopenia and thrombocytopenia, side effects associated with treatment with pyrimethamine, can be mitigated via the administration of leucovorin. [….…..]
6. Benznidazole is the drug most commonly used to treat Chagas disease. [….…..]
7. Human ingestion of Taenia saginata eggs can lead to cysticercosis. [….…..]
8. Neutrophils are the most important cells that regulate the outcome of Leishmania infection. [….…..]
9. Psoroptes ovis mites are characterized by having, on their first and second pair of legs, a three-segmented pedicle that ends in funnel-shaped suckers. [….…..]
10. The juvenile Dicrocoelium dendriticum flukes migrate up directly from the intestine to the common bile duct. [….…..]
11. Dogs with p-glycoprotein defect are hypersensitive to ivermectin and may develop neurotoxicosis and even death due to accumulation of ivermectin in their brain. [….…..]
12. Feline demodicosis is caused by infestation with Demodex cati and D. gatoi. [….…..]
13. Mites differ from insects by being wingless and by having four pairs of legs (adult and nymphal stages), instead of the three pairs found in insects. [….…..]
14. Although both Pulex irritans (human flea) and Xenopsylla cheopis (rat flea) lack pronotal and genal combs, the human flea can be discriminated from the rat flea by having undivided mesopleuron. [………]
15. Finding Cysticercus fasciolaris in mice means that these mice must have ingested dog faeces. [………]
16. Black water fever is a manifestation of malaria caused mainly by Plasmodium vivax. [………]
17. Dictyocaulus viviparus is the common lungworm found in horses. [………]
18. Demodicosis in dogs is caused by Demodex canis, and can be transmitted from dams to their newborn pups. [………]
19. Male circumcision can reduce transmission of Trichomonas vaginalis from male to female partners. [………]
20. Visceral and ocular larva migrans are associated with infection with Trichinella spiralis. [………]
21. Hypobiosis and overwintering are similar concepts in nematode biology and are underpinned by the same mechanism. [………]
22. The first human case infected with Angiostrongylus cantonensis was reported in 1945 from Taiwan. [………]
23. Fipronil should not be used in rabbits, as adverse reactions and even death could occur. [………]
24. Canine hepatozoonosis is a protozoal disease transmitted to dogs via the bite of the brown dog tick (Rhipicephalus sanguineus). [………]
25. The ‘alveolar’ cysts of Echinococcus multilocularis have more invasive ability, but contain less fluid than those of E. granulosus. [………]
26. Skin scrapings collected from a mangy animal can be enriched for mites by dissolving in 10% potassium hydroxide (KOH) solution. [………]
27. The FAMACHA system is used for assessment of anaemia. [….…..]
28. There is a connection between flea infestation and tapeworm infection. [….…..]
29. Transmission of Eimeria oocysts among chickens occurs via direct faecal-oral transmission from fresh droppings. [….…..]
30. The acaricide amitraz should not be used on horses. [….…..]
31. Removal of a tick is better performed by grasping the tick as close to the host skin as possible with fine-tipped forceps (or tweezers) and gently pulling upward. [….…..]
32. When Toxoplasma gondii enters a host cell, it immediately starts to incorporate parasite DNA into the host cell’s chromosomes. [….…..]
33. ‘Gid or Sturdy’ is a neurological disease in sheep caused by infection of the brain with the larva of Taenia ovis. [….…..]
34. The obligate intracellular protozoan parasite Toxoplasma gondii lives inside a vesicle inside the surrogate host cell cytoplasm known as ‘phagosome’. [….…..]
35. Schistosoma mansoni egg has a terminal spine. [….…..]
36. Ivermectin’s toxicity in mammals is attributed to the similarity between the invertebrate glutamate-activated chloride channels and the vertebrate GABAA-gated chloride channels. [….…..]
37. Soft ticks (Argasidae) lack a scutum and their mouthparts cannot be seen when the tick is viewed from above. [….…..]
38. The ciliate Balantidium coli is the largest known protozoan that infects humans. [….…..]
39. Skin wart-like lesions caused by female cat fleas (Ctenocephalides felis) often occur in resource-limited populations in Latin America, the Caribbean and sub-Saharan Africa. [….…..]
40. The Congo floor maggots are the only know blowfly larvae to feed on human blood. [….…..]
41. Direct faecal-oral transmission of Cyclospora cayetanensis can occur from relatively fresh faeces. [….…..]
42. Once ticks are dead on the host, they fall off the host’s body immediately to the ground. [….…..]
43. Transtadial transmission of protozoa through an arthropod is the passage of a protozoan from the egg to the adult arthropod stage. [….…..]
44. Dogs contribute to the transmission of Toxoplasma gondii. [….…..]
45. Felicola subrostratus is a biting louse of cats and has a unique triangular-shaped head. [….…..]
46. The poultry red mite, Dermanyssus gallinae, is the most damaging parasite of laying hens worldwide. [….…..]
47. Otodectic mange (also known as otoacariasis) is caused by Otodectes cynotis mite, which infests the ear canals of cats and dogs. [….…..]
48. The location of trypanosomes in the body of the insect vector does not influence the transmission of the infective stage. [….…..]
49. House dust mite allergens can contribute to the development of allergic diseases. [….…..]
50. Veterinarians should warn their clients about the potential hazards to humans from fleas. [….…..]

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Sep 19, 2022 | Posted by in GENERAL | Comments Off on or False Questions

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