Parasitology Question Bank 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 0 votes, 0 avg 141 Created by quizshell Parasitology Question Bank This quiz will check your knowledge of infections caused by different parasites. 1 / 110 1. Which parasite causes amoebic meningoencephalitis? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 2 / 110 2. Which of the following intestinal flagellate has no cysts stage? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 3 / 110 3. Which of the following intestinal flagellate is pathogenic? A. Giardia lamblia B. Chilomastix mesnili C. Dientamoeba fragilis D. Balantidium coli 4 / 110 4. 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 5 / 110 5. A dormant form of P. vivax is called? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 6 / 110 6. 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 7 / 110 7. What is the infective stage of Trypanosoma cruzi? A. Amastigote B. Promastigote C. Epimastigote D. Trypomastigote 8 / 110 8. Which of the following is the vector for Trypanosoma? A. tick bites B. Sandflies C. Tsetse flies D. Mosquitoes 9 / 110 9. What is the infective stage of Paragonimus Westermani? A. Cercaria B. Metacercaria C. Miracidium D. Redia 10 / 110 10. Which of the following intestinal flagellate causes giardiasis? A. Chilomastix mesnili B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 11 / 110 11. 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 12 / 110 12. Oocysts, the infective stage of Toxoplasma Gondii, is found in? A. Cat feces B. Pig feces C. Crabs D. Undercooked beef 13 / 110 13. Which parasite can be detected using cellophane tape test? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 14 / 110 14. Nematodes are? A. tapeworms B. flukes C. roundworms 15 / 110 15. What is the active reproduction stage of Entamoeba histolytica? A. Merozites B. Cysts C. Trophozoite D. Schizont 16 / 110 16. 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 17 / 110 17. Which structure in the tapeworm contains the sperm and egg? A. Scolex B. Rostellum C. Proglottids D. Pleurocercoid 18 / 110 18. Which of the following organism moves by means of flagella? A. Dientamoeba fragilis B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 19 / 110 19. Onchocerca volvulus is transmitted by the? A. Ticks B. Blackfly C. Guinea worm D. Pig 20 / 110 20. Cysts are the infective stage of which intestinal flagellate? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Giardia lamblia 21 / 110 21. Which stage of development of flukes are infective to humans? A. Cercaria B. Metacercaria C. Miracidium D. Redia 22 / 110 22. Wuchereria bancrofti is transmitted by the? A. Ticks B. Aedes mosquito C. Guinea worm D. Pig 23 / 110 23. Which parasite causes striated muscle edema? A. Ascaris lumbricoides B. Strongyloides stercoralis C. Enterobius vermicularis D. Trichinella spiralis 24 / 110 24. What is the larval stage of Echinococcus granulesus? A. Trophozoite B. Schizont C. Merozites D. Hydatid cyst 25 / 110 25. A free-living ameba associated with primary amebic meningoencephalitis is A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Naegleria fowleri 26 / 110 26. Which one of the following is the infective stage of the malarial parasite? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 27 / 110 27. Which parasite is also known as dwarf tapeworm? A. Diphyllobothrium latum B. Taenia saginata C. Echinococcus granidosus D. Hymenolepis nana 28 / 110 28. Which Plasmodium species is characterized by crescent shaped gametes? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium Ovale 29 / 110 29. 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 30 / 110 30. Which type of symbiotic relationship do both species benefit? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 31 / 110 31. 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 32 / 110 32. Which fluke causes diarrhea and ulceration of the intestines? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 33 / 110 33. In which type of symbiosis does one species benefit at the expense of another? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 34 / 110 34. Elephantiasis is a complication associated with which of the following? A. Round worms B. Hookworms C. ringworms D. Filariae 35 / 110 35. Which intestinal parasite is nonpathogenic? A. lodamoeba biitschlii B. Entamoeba hartmanni C. Endolimax nana D. All of the above 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. 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 39 / 110 39. 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. 40 / 110 40. 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 41 / 110 41. Which structure in the tapeworm contains the hooks for attachment to the host? A. Scolex B. Rostellum C. Proglottids D. Pleurocercoid 42 / 110 42. The presence of a large glycogen mass is seen in A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Entamoeba hartmanni 43 / 110 43. What disease is caused by Trypanosoma cruzi? A. African sleeping sickness B. Chagas disease C. Elephantiasis 44 / 110 44. What is the infective stage of Entamoeba histolytica? A. Merozites B. Cysts C. Trophozoite D. Schizont 45 / 110 45. Which fluke affects the liver? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 46 / 110 46. 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 47 / 110 47. What disease is most commonly associated with is Giardia lamblia? A. Giardiasis B. Meningoencephalitis C. Urinary tract infection D. Amoebic dysentery 48 / 110 48. Which of the following is an intestinal flagellate? A. Giardia lamblia B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 49 / 110 49. Which hemoflagellate causes Winterbottom’s? A. Trypanosoma brucei B. Trypanosoma cruzi C. Leishmania D. Trypanosoma rhodesiense 50 / 110 50. Which parasite is also known as fish tapeworm? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 51 / 110 51. What parasites cause intestinal obstruction? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 52 / 110 52. 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 53 / 110 53. The causative agent of babesiosis? A. Plasmodium vivax B. Plasmodium malariae C. Plasmodium Ovale D. Babesia microti 54 / 110 54. Which of the following organism moves by means of cilia? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 55 / 110 55. 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 56 / 110 56. Which parasite can be acquired from eating undercooked pork? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 57 / 110 57. Which parasite causes amoebic dysentery? A. Entamoeba coli B. Entamoeba histolytica C. Blastocystis hominis D. Entamoeba hartmanni 58 / 110 58. The oral cavity of Giardia lamblia is? A. Axostyle B. Cytostome C. Axoneme 59 / 110 59. Which of the following parasite is morphologically identical to Entamoeba histolytica? A. Entamoeba coli B. Entamoeba histolytica C. Entamoeba dispar D. Entamoeba hartmanni 60 / 110 60. Balantidium coli is motile by? A. Flagella B. Cilia C. Pseudo pods D. Pili 61 / 110 61. 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. 62 / 110 62. Which of the following intestinal parasite is pathogenic? A. lodamoeba biitschlii B. Entamoeba histolytica C. Endolimax nana D. Entamoeba hartmanni 63 / 110 63. Trematodes are? A. Ringworm B. Flukes C. Earthworm 64 / 110 64. Which parasite is also known as dog tapeworm? A. Diphyllobothrium latum B. Echinococcus granidosus C. Hymenolepis nana D. Taenia saginata 65 / 110 65. Which parasite causes human hookworm infections? A. Strongyloides stercoralis B. Enterobius vermicularis C. Ascaris lumbricoides D. Necator Americanus 66 / 110 66. How many sporozoites are there in a mature oocyst? A. Two sporozoites B. Four sporozoites C. One sporozoites D. Three sporozoites 67 / 110 67. Which parasitic infection may result in vitamin B12 deficiency? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 68 / 110 68. Which of the following parasite is a lung fluke? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 69 / 110 69. Which of the following parasite(s) causes hemolytic anemia? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Plasmodium vivax and Babesia microti 70 / 110 70. Which Schistosoma species has a large terminal spine? A. Schistosoma haematobium B. Schistosoma japonicum C. Schistosoma mansoni D. Schistosoma intercalation 71 / 110 71. Which animal is a reservoir for Trichinella spiralis A. Cattle B. Crab C. Fish D. Pig 72 / 110 72. 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 73 / 110 73. Which red blood cell inclusion appears like a “Maltese cross”? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 74 / 110 74. Cysts are the infective stage of which intestinal flagellate? A. Balantidium coli B. Dientamoebafragilis C. Entamoeba coli D. Giardia lamblia 75 / 110 75. Which of the following intestinal flagellate is pathogenic? A. Balantidium coli B. Dientamoeba fragilis C. Isospora belli D. Cryptosporidium parvum 76 / 110 76. Which of the following intestinal Sporozoa causes isosporiasis? A. Cyclospora cayetanensis B. Isospora belli C. Cryptosporidium parvum D. Cyclospora belli 77 / 110 77. Which of the following intestinal Sporozoa causes cryptosporidiosis? A. Cryptosporidium parvum B. Isospora belli C. Cyclospora cayetanensis D. Cyclospora belli 78 / 110 78. In trematodes, the Final stage of development that occurs in snails is? A. Cercaria B. Metacercaria C. Miracidium D. Redia 79 / 110 79. Which parasite causes river blindness? A. Wuchereria bancrofti B. Brugia malayi C. Loa loa D. Onchocerca volvulus 80 / 110 80. 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 81 / 110 81. Which Plasmodium species contains Schuffner dots? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae 82 / 110 82. Which parasite can be acquired from eating undercooked beef? A. Diphyllobothrium latum B. Taenia saginata C. Taenia solium D. Hymenolepis nana 83 / 110 83. Which of the following ciliates causes balantidiasis? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 84 / 110 84. Which stage of development of flukes are infective to humans? A. Cercaria B. Metacercaria C. Miracidium D. Redia 85 / 110 85. A dormant form of P. vivax is called? A. Sporozoite B. Hypnozoites C. Merozoites D. Gametes 86 / 110 86. Which parasite causes cornea infection? A. Plasmodium vivax B. Babesia microti C. Acanthamoeba D. Naegleri fowleri 87 / 110 87. Which parasite can be acquired from eating undercooked crayfish? A. Schistosoma japonicum B. Clonorchis sinensis C. Paragonimus westermani D. Fasciolopsis buski 88 / 110 88. Which parasite causes vaginitis in women; men are generally asymptomatic carriers? A. Chilomastix mesnil B. Trichomonas vaginalis C. Giardia lamblia D. lodamoeba biitschlii 89 / 110 89. 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 90 / 110 90. Which of the following structure provides motility to amebae? A. Pili B. Cilia C. Flagella D. Pseudopods 91 / 110 91. Which parasite causes guinea worm infection? A. Dracunculus medinensis B. Wuchereria bancrofti C. Brugia malayi D. Loa loa 92 / 110 92. Hydatid cysts in humans are caused by? A. Diphyllobothrium latum B. Echinococcus granilosus C. Hymenolepis nana D. Taenia saginata 93 / 110 93. Which of the following ciliates are pathogenic? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 94 / 110 94. What is the diagnostic stage of leishmaniasis? A. Promastigote B. Epimastigote C. Amastigote D. Trypomastigote 95 / 110 95. Which of the following is the vector for Babesia? A. Fleas B. Lice C. Ticks D. Mosquitoes 96 / 110 96. Which Plasmodium species contains Schuffner dots? A. Plasmodium falciparum B. Plasmodium malariae C. Plasmodium vivax D. Plasmodium ovale 97 / 110 97. Which of the following is a causative agent of malaria? A. Cryptosporidium parvum B. Cyclospora cayetanensis C. Isospora belli D. Plasmodium vivax 98 / 110 98. Which of the following parasite causes asymptomatic mouth and genital tract infections? A. Entamoeba coli B. Entamoeba histolytica C. Entamoeba gingivalis D. Entamoeba hartmanni 99 / 110 99. Which parasite is also known as pinworm? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 100 / 110 100. Which type of symbiotic relationship is harmless to one member and beneficial to the other? A. Mutualism B. Parasitism C. Symbiosis D. Commensalism 101 / 110 101. Which species of Plasmodium causes blackwater fever? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium Ovale 102 / 110 102. 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 103 / 110 103. Which hemoflagellate causes African sleeping sickness? A. Trypanosoma brucei B. Trypanosoma cruzi C. Leishmania 104 / 110 104. Which of the following organism is a ciliate? A. Dientamoebafragilis B. Isospora belli C. Entamoeba coli D. Balantidium coli 105 / 110 105. Which parasite is also known as whipworm? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 106 / 110 106. Which of the following is an intestinal flagellate? A. Dientamoeba fragilis B. Entamoeba coli C. Balantidium coli D. Entamoeba hartamanni 107 / 110 107. Which parasite causes anal itching and inflammation? A. Trichuris trichiura B. Ascaris lumbricoides C. Strongyloides stercoralis D. Enterobius vermicularis 108 / 110 108. Which parasite causes skin and mucous membrane ulcers? A. Trypansoma brucei B. Trypansoma cruzi C. Leishmania D. Trypansoma rhodesiense 109 / 110 109. 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 110 / 110 110. Which of the following is an intestinal flagellate? A. Entamoeba coli B. Balantidium coli C. Entamoeba hartamanni D. Chilomastix mesnili Your score is The average score is 54% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Send feedback Click here for more quizzes Share this:TwitterFacebookLike this:Like Loading...