Choice Questions

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1 Multiple Choice Questions


Select the single correct answer(s) from the five options provided.



1.  A 4-month-old kitten presents with cough, dyspnoea and nasal discharge. What is the most likely diagnosis?



A.  Aelurostrongylus abstrusus


B.  Toxocara cati


C.  Taenia taenieaformis


D.  Ancylostoma tubaeforme


E.  Dipylidium caninum




3.  In regard to toxoplasmosis, which test can be used to discriminate recent from past infection?



A.  Serological detection of IgA


B.  Serological detection of IgD


C.  Serological detection of IgG avidity


D.  Serological detection of IgM


E.  Serological detection of IgE





5.  Which one of the following cytokines reduces the inflammatory Th1 response during acute Toxoplasma gondii infection?



A.  Tumor necrosis factor alpha (TNF-α)


B.  Interferon gamma (IFN-γ)


C.  Interleukin 1 (IL-1)


D.  Interleukin 6 (IL-6)


E.  Interleukin 10 (IL-10)





8.  Dogs may contract mites via:



A.  Eating faeces infected with mite eggs


B.  Direct contact with an infested animal


C.  Fomites (inanimate objects, such as a brush or comb)


D.  Airborne infection


E.  Both B and C




10.  Which one of the following is an abortifacient parasite in cattle?



A.  Haemonchus contortus


B.  Toxocara vitulorum


C.   Neospora caninum


D.  Cryptosporidium bovis


E.  Fasciola hepatica




12.  Infection with ___________ causes a venereal disease in cattle.



A.  Tritrichomonas foetus


B.  Toxoplasma gondii


C.  Cooperia punctata


D.  Babesia bovis


E.  Schistosome mansoni





15.  Dourine is mainly reported in which of the following European countries?



A.  France


B.  Spain


C.  Italy


D.  United Kingdom


E.  Greece




17.  Autoinfection is a notable feature in the life cycle of ___________.



A.  Cryptosporidium


B.  Giardia lamblia


C.  Balantidium coli


D.  Taenia saginata


E.  Enterobius vermicularis




19.  Found in dog faeces on a faecal float. What is it?



A.  Ancylostoma caninum


B.  Dipylidium caninum


C.  Taenia solium


D.  Taenia saginata


E.  Toxocara canis




20.  Black flies act as vectors of ___________.



A.  Onchocerca volvulus


B.  Dirofilaria tenuis


C.  Dipetalonema evansi


D.  Toxocara canis


E.  Strongyloides stercoralis




22.  Which one of the following lists of phases of Eimeria life cycle is in the right order?



A.  Sporozoite, oocyst, gamete, zygote, merozoite


B.  Zygote, gametes, merozoite, oocyst, sporozoites


C.  Oocyst, sporozoite, merozoite, gamete, zygote


D.  Merozoite, sporozoite, oocyst, gamete, zygote


E.  Oocyst, zygote, merozoite, sporozoite, gametes




24.   Strobilocercus fasciolaris is found in ___________.



A.  Cats


B.  Dogs


C.  Ferrets


D.  Rats


E.  Rabbits




26.  ___________ lives independent of a host, but may occasionally be parasitic under certain conditions.



A.  Erratic parasite


B.  Obligate parasite


C.  Facultative parasite


D.  Accidental parasite


E.  Ectoparasite




28.  ___________ is the stage when a parasite can invade a host body and colonize it.



A.  Vegetative


B.  Latent


C.  Trophozoite


D.  Juvenile


E.  Infective




30.  The ‘Rat-tailed’ appearance in horses is caused by ___________.



A.  Parascaris equorum


B.  Strongylus vulgaris


C.   Oxyuris equi


D.  Strongylus equinus


E.  Strongylus edentatus





33.  Which one of the following is the infective stage of the nematode Nematodirus?



A.  First-stage larva (L1)


B.  Third-stage larva (L3)


C.  Egg containing L1


D.  Egg containing L2


E.  Egg containing L3





36.  What are the main innate effector cells responsible for killing Leishmania?



A.  Macrophages


B.  Neutrophils


C.  T lymphocytes


D.  B lymphocytes


E.  Natural killer cells





39.  This organism was detected on honey bees. What is it?



A.  Varroa mite


B.  Harvest mite


C.  Dust mite


D.  Plant-feeding mite


E.  Trombiculid mite




40.  French lungworm disease in dogs is best diagnosed by ___________.



A.  Direct faecal smear


B.  Baermann technique


C.  McMaster technique


D.  Faecal culture


E.  The modified Knott’s method




42.  ___________ is the infective stage of Schistosoma spp.



A.  Cercariae


B.  Miracidia


C.  Rediae


D.  Encysted metacercariae


E.  Embryonated eggs



43.  Which organ is mainly damaged in sheep infected with ovine haemonchosis or teladorsagiosis?



A.  Small intestine


B.  Abomasum


C.  Large intestine


D.  Kidney


E.  Liver








49.  Benznidazole is more effective at curing ‘Chagas’ disease during which of the following phases of the disease?



A.  Acute phase


B.  Chronic phase


C.  Both acute and chronic phase


D.  Neither acute nor chronic phase


E.  Subacute phase




51.   Hyostrongylus rubidus worms are found in the stomach of ___________.



A.  Cattle


B.  Sheep


C.  Pigs


D.  Camels


E.  Llamas




53.  This was detected in a urine microscope sample from an apparently healthy cat. What is it?



A.  Phytoptus species


B.  Demodex gatoi


C.  Demodex cati


D.  Notoedres cati


E.  Otodectes cynotis





55.  Cobblestone lesions are found in the gastric mucosa of sheep infected with ___________.



A.  Trichostrongylus axei


B.  Teladorsagia circumcincta


C.  Haemonchus contortus


D.  Nematodirus battus


E.  Oesophagostomum columbianum





58.  Recycling of infective stage within the same host, without exiting the body, is called ___________.



A.  Autoinfection


B.  Degradation


C.  Duplication


D.  Hypobiosis


E.  Autophagy




60.  All of the following are anti-Angiostrongylus vasorum drugs, except?



A.  Prinovox®


B.  Milbemax®


C.  Advocate®


D.  Milbactor®


E.  Drontal®




62.  Which of the following is the scientific name of the equine pinworm?



A.  Habronema majus


B.  Oxyuris equi


C.  Habronema muscae


D.  Draschia megastoma


E.  Parascaris equorum





65.  Which one of the following drugs is effective against the multidrug-resistant Plasmodium falciparum and P. vivax?



A.  Doxycycline


B.  Gentamicin


C.  Clarithromycin


D.  Penicillin


E.  Ciprofloxacin




67.  Blowfly strike caused by Lucillia cuprina and L. sericata is a major problem for sheep producers in?



A.  Nigeria, Ghana, and Niger


B.  Great Britain, Australia, and New Zealand


C.  China, Mongolia, and North Korea


D.  Colombia, Venezuela, and Cuba


E.  USA and Canada






69.  Which one of the following was the first drug used in trials in human onchocerciasis to deplete Wolbachia?



A.  Doxycycline


B.  Gentamicin


C.  Clarithromycin


D.  Penicillin


E.  Ciprofloxacin






73.  Which one of the following is the only animal species that can actively shed Toxoplasma gondii oocysts?



A.  Squirrel


B.  Dog


C.  Cat


D.  Wolf


E.  Red fox




75.  ___________ can potentiate the ivermectin-induced suppression of microfilaria in onchocerciasis patients.



A.  Amoxicillin


B.  Doxycycline


C.  Ciprofloxacin


D.  Metronidazole


E.  Clindamycin




77.  Which two parasites colonize host erythrocytes?



A.  Plasmodium and Babesia


B.  Toxoplasma gondii and Plasmodium


C.  Cryptosporidium and Babesia


D.  Toxoplasma gondii and Cryptosporidium


E.  Cryptosporidium and Plasmodium




79.  ___________ undertakes hepato-pancreatic migration inside the horse.



A.  Anoplocephala perfoliata


B.  Oxyuris equi


C.  Strongylus vulgaris


D.  Strongylus equinus


E.  Strongylus edentatus





82.  ___________ are referred to as cyathostomes.



A.  Triodontophorus sp.


B.  Small strongyles


C.  Strongylus edentatus


D.  Strongylus vulgaris


E.  Strongylus equinus




84.  Which of the following parasites can increase the risk of developing colorectal cancer?



A.  Schistosoma japonicum


B.  Trichutis trichiura


C.  Ancylostoma tubaeforme


D.  Ascaris lumbricoides


E.  Heterophyes heterophyes




86.  What is the role of frog in the life cycle of Angiostrongylus vasorum?



A.  Mechanical vector


B.  Paratenic host


C.  Intermediate host


D.  Biological vector


E.  Definitive host




88.  Which of these are considered a high-risk group for toxocariasis?



A.  Elderly people


B.  Pregnant women


C.  Immunocompromised patients with contact with dogs


D.  Children with geophagia


E.  All of the above





91.  Which one of the following is the correct sequence of the life cycle stages of Plasmodium sp. inside mosquitoes?


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