div style=”display:none;”> 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.
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2.
Schistosome eggs can be detected only in faeces.
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3.
In pregnant cats, Toxocara cati larvae migrate across the placenta to infect the fetuses.
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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.
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5.
Leukopenia and thrombocytopenia, side effects associated with treatment with pyrimethamine, can be mitigated via the administration of leucovorin.
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6.
Benznidazole is the drug most commonly used to treat Chagas disease.
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7.
Human ingestion of Taenia saginata eggs can lead to cysticercosis.
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8.
Neutrophils are the most important cells that regulate the outcome of Leishmania infection.
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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.
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10.
The juvenile Dicrocoelium dendriticum flukes migrate up directly from the intestine to the common bile duct.
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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.
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12.
Feline demodicosis is caused by infestation with Demodex cati and D. gatoi.
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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.
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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.
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15.
Finding Cysticercus fasciolaris in mice means that these mice must have ingested dog faeces.
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16.
Black water fever is a manifestation of malaria caused mainly by Plasmodium vivax.
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17.
Dictyocaulus viviparus is the common lungworm found in horses.
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18.
Demodicosis in dogs is caused by Demodex canis, and can be transmitted from dams to their newborn pups.
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19.
Male circumcision can reduce transmission of Trichomonas vaginalis from male to female partners.
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20.
Visceral and ocular larva migrans are associated with infection with Trichinella spiralis.
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21.
Hypobiosis and overwintering are similar concepts in nematode biology and are underpinned by the same mechanism.
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22.
The first human case infected with Angiostrongylus cantonensis was reported in 1945 from Taiwan.
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23.
Fipronil should not be used in rabbits, as adverse reactions and even death could occur.
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24.
Canine hepatozoonosis is a protozoal disease transmitted to dogs via the bite of the brown dog tick (Rhipicephalus sanguineus).
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25.
The ‘alveolar’ cysts of Echinococcus multilocularis have more invasive ability, but contain less fluid than those of E. granulosus.
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26.
Skin scrapings collected from a mangy animal can be enriched for mites by dissolving in 10% potassium hydroxide (KOH) solution.
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27.
The FAMACHA system is used for assessment of anaemia.
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28.
There is a connection between flea infestation and tapeworm infection.
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29.
Transmission of Eimeria oocysts among chickens occurs via direct faecal-oral transmission from fresh droppings.
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30.
The acaricide amitraz should not be used on horses.
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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.
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32.
When Toxoplasma gondii enters a host cell, it immediately starts to incorporate parasite DNA into the host cell’s chromosomes.
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33.
‘Gid or Sturdy’ is a neurological disease in sheep caused by infection of the brain with the larva of Taenia ovis.
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34.
The obligate intracellular protozoan parasite Toxoplasma gondii lives inside a vesicle inside the surrogate host cell cytoplasm known as ‘phagosome’.
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35.
Schistosoma mansoni egg has a terminal spine.
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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.
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37.
Soft ticks (Argasidae) lack a scutum and their mouthparts cannot be seen when the tick is viewed from above.
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38.
The ciliate Balantidium coli is the largest known protozoan that infects humans.
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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.
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40.
The Congo floor maggots are the only know blowfly larvae to feed on human blood.
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41.
Direct faecal-oral transmission of Cyclospora cayetanensis can occur from relatively fresh faeces.
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42.
Once ticks are dead on the host, they fall off the host’s body immediately to the ground.
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43.
Transtadial transmission of protozoa through an arthropod is the passage of a protozoan from the egg to the adult arthropod stage.
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44.
Dogs contribute to the transmission of Toxoplasma gondii.
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45.
Felicola subrostratus is a biting louse of cats and has a unique triangular-shaped head.
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46.
The poultry red mite, Dermanyssus gallinae, is the most damaging parasite of laying hens worldwide.
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47.
Otodectic mange (also known as otoacariasis) is caused by Otodectes cynotis mite, which infests the ear canals of cats and dogs.
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48.
The location of trypanosomes in the body of the insect vector does not influence the transmission of the infective stage.
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49.
House dust mite allergens can contribute to the development of allergic diseases.
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50.
Veterinarians should warn their clients about the potential hazards to humans from fleas.
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