Parasitology Question Bank Leave a Comment / By quizshell / January 24, 2022 110 multiple choice questions to test your knowledge of parasitic infections caused by cestodes, trematodes, nematodes, plasmodium species, hemoflagellates, ciliates, flagellates, and more. 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110 /110 1 votes, 5 avg 466 Created by quizshell Parasitology Question Bank This quiz will check your knowledge of infections caused by different parasites. 1 / 110 1. Which of the following is a characteristic of trematodes? A. Flat, presence of two suckers and lacks body cavity B. Segmented, flat and lacks body cavity C. Segmented, round and lacks body cavity 2 / 110 2. Which of the following fluke has a miracidium with small knob opposite the operculum? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 3 / 110 3. A dormant form of P. vivax is called? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 4 / 110 4. Which of the following parasite causes asymptomatic mouth and genital tract infections? A. Entamoeba coli B. Entamoeba histolytica C. Entamoeba gingivalis D. Entamoeba hartmanni 5 / 110 5. Which of the following parasite is a lung fluke? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 6 / 110 6. Which of the following intestinal flagellate has no cysts stage? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 7 / 110 7. Which Plasmodium species is characterized by crescent shaped gametes? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium Ovale 8 / 110 8. Which of the following structure provides motility to amebae? A. Pili B. Cilia C. Flagella D. Pseudopods 9 / 110 9. Which parasite causes vaginitis in women; men are generally asymptomatic carriers? A. Chilomastix mesnil B. Trichomonas vaginalis C. Giardia lamblia D. lodamoeba biitschlii 10 / 110 10. Which fluke affects the liver? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 11 / 110 11. Which red blood cell inclusion appears like a “Maltese cross”? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 12 / 110 12. Which of the following is an intestinal flagellate? A. Dientamoeba fragilis B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 13 / 110 13. Which of the following intestinal parasite is pathogenic? A. lodamoeba biitschlii B. Entamoeba histolytica C. Endolimax nana D. Entamoeba hartmanni 14 / 110 14. Which of the following intestinal Sporozoa is the most cause of diarrhea in patients with acquired immunodeficiency syndrome (AIDS)? A. Isospora belli B. Cyclospora cayetanensis C. Cyclospora belli D. Cryptosporidium parvum 15 / 110 15. Which species of Plasmodium causes blackwater fever? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium Ovale 16 / 110 16. Which Schistosoma species has a large terminal spine? A. Schistosoma haematobium B. Schistosoma japonicum C. Schistosoma mansoni D. Schistosoma intercalation 17 / 110 17. Which structure in the tapeworm contains the sperm and egg? A. Scolex B. Rostellum C. Proglottids D. Pleurocercoid 18 / 110 18. The causative agent of babesiosis? A. Plasmodium vivax B. Plasmodium malariae C. Plasmodium Ovale D. Babesia microti 19 / 110 19. Which of the following intestinal flagellate is pathogenic? A. Giardia lamblia B. Chilomastix mesnili C. Dientamoeba fragilis D. Balantidium coli 20 / 110 20. Which of the following is the vector for Trypanosoma? A. tick bites B. Sandflies C. Tsetse flies D. Mosquitoes 21 / 110 21. Elephantiasis is a complication associated with which of the following? A. Round worms B. Hookworms C. ringworms D. Filariae 22 / 110 22. Which of the following is the vector for Babesia? A. Fleas B. Lice C. Ticks D. Mosquitoes 23 / 110 23. Which of the following parasite(s) causes hemolytic anemia? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Plasmodium vivax and Babesia microti 24 / 110 24. Which stage of development of flukes are infective to humans? A. Cercaria B. Metacercaria C. Miracidium D. Redia 25 / 110 25. Cysts are the infective stage of which intestinal flagellate? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 26 / 110 26. The presence of intracellular RBCs in intestinal amebae is considered diagnostic of which of the following parasite? A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Entamoeba hartmanni 27 / 110 27. Which of the following organism is a ciliate? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 28 / 110 28. Which animal is a reservoir for Trichinella spiralis A. Cattle B. Crab C. Fish D. Pig 29 / 110 29. Which Plasmodium species contains Schuffner dots? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae 30 / 110 30. Which parasite can be acquired from the ingestion of insects containing the cysticercoids ? A. Diphyllobothrium latum B. Taenia saginata C. Hymenolepis diminuta D. Echinococcus granidosus 31 / 110 31. What disease is most commonly associated with is Giardia lamblia? A. Giardiasis B. Meningoencephalitis C. Urinary tract infection D. Amoebic dysentery 32 / 110 32. Which hemoflagellate causes Winterbottom’s? A. Trypanosoma brucei B. Trypanosoma cruzi C. Leishmania D. Trypanosoma rhodesiense 33 / 110 33. A free-living ameba associated with primary amebic meningoencephalitis is A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Naegleria fowleri 34 / 110 34. Which parasite causes skin and mucous membrane ulcers? A. Trypansoma brucei B. Trypansoma cruzi C. Leishmania D. Trypansoma rhodesiense 35 / 110 35. Which parasite is also known as pinworm? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 36 / 110 36. Which parasite causes infections of the conjunctival lining of the eye? A. Onchocerca volvulus B. Wuchereria bancrofti C. Brugia malayi D. Loa loa 37 / 110 37. Knowledge of nocturnal periodicity is especially important in the diagnosis of certain infections caused by? A. Enterobius vermicularis B. Wuchereria bancrofti C. Trichinella spiralis D. Trypanosoma Cruzi 38 / 110 38. Nematodes are? A. tapeworms B. flukes C. roundworms 39 / 110 39. Which parasite can be acquired from eating undercooked crayfish? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 40 / 110 40. Which parasite causes human hookworm infections? A. Strongyloides stercoralis B. Enterobius vermicularis C. Ascaris lumbricoides D. Necator Americanus 41 / 110 41. Cysts of Giardia lamblia contains? A. Contain four nuclei with peripheral chromatin. B. Are motile by flagella C. Have an undulating membrane D. Contain four nuclei with no peripheral chromatin. 42 / 110 42. Which parasite is also known as dwarf tapeworm? A. Diphyllobothrium latum B. Taenia saginata C. Echinococcus granidosus D. Hymenolepis nana 43 / 110 43. Which of the following ciliates are pathogenic? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 44 / 110 44. Which of the following organism moves by means of cilia? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 45 / 110 45. Which of the following intestinal Sporozoa causes isosporiasis? A. Cyclospora cayetanensis B. Isospora belli C. Cryptosporidium parvum D. Cyclospora belli 46 / 110 46. Which parasite can be acquired from eating undercooked beef? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 47 / 110 47. Which parasite causes anal itching and inflammation? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 48 / 110 48. What is the diagnostic stage of leishmaniasis? A. Promastigote B. Epimastigote C. Amastigote D. Trypomastigote 49 / 110 49. What is the infective stage of Trypanosoma cruzi? A. Amastigote B. Promastigote C. Epimastigote D. Trypomastigote 50 / 110 50. Cysts are the infective stage of which intestinal flagellate? A. Balantidium coli B. Dientamoebafragilis C. Entamoeba coli D. Giardia lamblia 51 / 110 51. How many sporozoites are there in a mature oocyst? A. Two sporozoites B. Four sporozoites C. One sporozoites D. Three sporozoites 52 / 110 52. What is the larval stage of Echinococcus granulesus? A. Trophozoite B. Schizont C. Merozites D. Hydatid cyst 53 / 110 53. Which stage of development of flukes are infective to humans? A. Cercaria B. Metacercaria C. Miracidium D. Redia 54 / 110 54. What is the active reproduction stage of Entamoeba histolytica? A. Merozites B. Cysts C. Trophozoite D. Schizont 55 / 110 55. Which of the following parasite is morphologically identical to Entamoeba histolytica? A. Entamoeba coli B. Entamoeba histolytica C. Entamoeba dispar D. Entamoeba hartmanni 56 / 110 56. Balantidium coli is motile by? A. Flagella B. Cilia C. Pseudo pods D. Pili 57 / 110 57. Which parasite can be acquired from eating undercooked pork? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 58 / 110 58. Which one of the following is the infective stage of the malarial parasite? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 59 / 110 59. Which parasite causes amoebic dysentery? A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Entamoeba hartmanni 60 / 110 60. Which of the following flukes is also known as Chinese or oriental liver fluke? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 61 / 110 61. Which parasite can be detected using cellophane tape test? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 62 / 110 62. Which Plasmodium species is characterized by enlarged red blood cells with Ameboid cytoplasm? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium ovale 63 / 110 63. Which parasite is also known as whipworm? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 64 / 110 64. Which Plasmodium species contains Schuffner dots? A. Plasmodium falciparum B. Plasmodium malariae C. Plasmodium vivax D. Plasmodium ovale 65 / 110 65. Oocysts, the infective stage of Toxoplasma Gondii, is found in? A. Cat feces B. Pig feces C. Crabs D. Undercooked beef 66 / 110 66. Which fluke causes pulmonary infections characterized by chest pain, cough, bronchitis, and sputum with blood? A. Clonorchis sinensis B. Paragonimus westermani C. Schistosoma japonicum D. Fasciolopsis buski 67 / 110 67. Hydatid cysts in humans are caused by? A. Diphyllobothrium latum B. Echinococcus granilosus C. Hymenolepis nana D. Taenia saginata 68 / 110 68. A large Kidney shaped cyst with two nuclei (macronucleus and micronucleus) and a double cell wall surrounded with numerous cilia is best identified as? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 69 / 110 69. Which hemoflagellate causes African sleeping sickness? A. Trypanosoma brucei B. Trypanosoma cruzi C. Leishmania 70 / 110 70. A dormant form of P. vivax is called? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 71 / 110 71. Which type of symbiotic relationship do both species benefit? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 72 / 110 72. Which of the following is used in differentiating cysts of Entamoeba histolytica from Entamoeba dispar? A. Size of cyst B. Location of karyosome C. Size of trophozoite D. Surface antigens by immunologic assays 73 / 110 73. Which parasite causes river blindness? A. Wuchereria bancrofti B. Brugia malayi C. Loa loa D. Onchocerca volvulus 74 / 110 74. In trematodes, the Final stage of development that occurs in snails is? A. Cercaria B. Metacercaria C. Miracidium D. Redia 75 / 110 75. Which parasite causes cornea infection? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 76 / 110 76. Which of the following is seen in cysts of Entamoeba coli? A. Large eccentric karyosome B. Chromatoid bars with round ends C. Centrally located karyosome D. Many RBC inclusions 77 / 110 77. Which parasite is also known as dog tapeworm? A. Diphyllobothrium latum B. Echinococcus granidosus C. Hymenolepis nana D. Taenia saginata 78 / 110 78. What is the infective stage of Paragonimus Westermani? A. Cercaria B. Metacercaria C. Miracidium D. Redia 79 / 110 79. What disease is caused by Trypanosoma cruzi? A. African sleeping sickness B. Chagas disease C. Elephantiasis 80 / 110 80. Wuchereria bancrofti is transmitted by the? A. Ticks B. Aedes mosquito C. Guinea worm D. Pig 81 / 110 81. Which parasitic infection may result in vitamin B12 deficiency? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 82 / 110 82. Infection with this parasite is associated with eosinophilia, high creatine kinase and lactate dehydrogenase levels? A. Ascaris lumbricoides B. Strongyloides stercoralis C. Enterobius vermicularis D. Trichinella spiralis 83 / 110 83. What are the developmental stages of Trypanosoma? A. Amastigote, promastigote, epimastigote, and trypomastigote. B. Amastigote, promastigote, epimastigote, and Propomastigote. C. Amastigote, Steromastigote, epimastigote, and trypomastigote. D. Amastigote, sporozoites, epimastigote, and trypomastigote. 84 / 110 84. Which of the following is an intestinal flagellate? A. Entamoeba coli B. Balantidium coli C. Entamoeba hartamanni D. Chilomastix mesnili 85 / 110 85. Which parasitic infection can be diagnosed by examining muscle tissue for encysted larvae? A. Ascaris lumbricoides B. Strongyloides stercoralis C. Enterobius vermicularis D. Trichinella spiralis 86 / 110 86. Which parasite causes amoebic meningoencephalitis? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 87 / 110 87. Which intestinal parasite is nonpathogenic? A. lodamoeba biitschlii B. Entamoeba hartmanni C. Endolimax nana D. All of the above 88 / 110 88. Which of the following intestinal Sporozoa causes cryptosporidiosis? A. Cryptosporidium parvum B. Isospora belli C. Cyclospora cayetanensis D. Cyclospora belli 89 / 110 89. The presence of a large glycogen mass is seen in A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Entamoeba hartmanni 90 / 110 90. Which of the following intestinal flagellate causes giardiasis? A. Chilomastix mesnili B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 91 / 110 91. Which type of symbiotic relationship is harmless to one member and beneficial to the other? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 92 / 110 92. Which of the following is an intestinal flagellate? A. Giardia lamblia B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 93 / 110 93. Which of the following is a causative agent of malaria? A. Cryptosporidium parvum B. Cyclospora cayetanensis C. Isospora belli D. Plasmodium vivax 94 / 110 94. Which of the following intestinal flagellate is pathogenic? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Cryptosporidium parvum 95 / 110 95. Which intestinal flagellate causes diarrhea and anal pruritus among individuals living in close quarters? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Entamoeba coli 96 / 110 96. What is the infective stage of Entamoeba histolytica? A. Merozites B. Cysts C. Trophozoite D. Schizont 97 / 110 97. Which parasite can be acquired from eating raw or undercooked fish containing the pleurocercoid? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 98 / 110 98. Which parasite causes striated muscle edema? A. Ascaris lumbricoides B. Strongyloides stercoralis C. Enterobius vermicularis D. Trichinella spiralis 99 / 110 99. In which type of symbiosis does one species benefit at the expense of another? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 100 / 110 100. What parasites cause intestinal obstruction? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 101 / 110 101. Which parasite is also known as fish tapeworm? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 102 / 110 102. Onchocerca volvulus is transmitted by the? A. Ticks B. Blackfly C. Guinea worm D. Pig 103 / 110 103. Which fluke causes diarrhea and ulceration of the intestines? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 104 / 110 104. Which intestinal Sporozoa causes non-bloody diarrhea and stains with modified Kinyoun's acid-fast stain? A. Isospora belli B. Cyclospora cayetanensis C. Cyclospora belli D. Cryptosporidium parvum 105 / 110 105. Which parasite causes guinea worm infection? A. Dracunculus medinensis B. Wuchereria bancrofti C. Brugia malayi D. Loa loa 106 / 110 106. Which structure in the tapeworm contains the hooks for attachment to the host? A. Scolex B. Rostellum C. Proglottids D. Pleurocercoid 107 / 110 107. The oral cavity of Giardia lamblia is? A. Axostyle B. Cytostome C. Axoneme 108 / 110 108. Which of the following organism moves by means of flagella? A. Dientamoeba fragilis B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 109 / 110 109. Trematodes are? A. Ringworm B. Flukes C. Earthworm 110 / 110 110. Which of the following ciliates causes balantidiasis? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli Your score is The average score is 59% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Send feedback Click here for more quizzes Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading…