ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers; Florida International University

ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers/ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers/ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers 1) Which life cycle stage of Trypanosoma cruzi is infective for humans? a. epimastigote d. metacyclic trypomastigote b. promastigote e. none of the above c. amastigote 2) Which of the following confers resistance to Plasmodium vivax? a. recrudescence d. absence of Duffy blood group b. Sickle cell trait e. none of the above c. presence of Duffy blood group 3) Which of the following structures in hemoflagellates consists of a mass of DNA within the single mitochondrion? a. axoneme d. kinetoplast b. kinetosome e. none of the above c. undulating membrane 4) Which of the parasites below is the etiological agent for Kala-azar? a. Trypanosoma cruzi d. Trypanosoma bruci b. Plasmodium vivax e. all of the above c. Leishmania donovani 5) Which of the following is a characteristic of Plasmodium falciparum? a. Sickle cell trait confers resistance d. 4 different pathways to invade RBCs b. accounts for 50% of all malaria cases e. all of the above c. sequestration occurs along endothelium 6) The paroxysms for Plasmodium malariae can best be described as ________________? a. quartan d. mild tertian b. quotidian e. none of the above c. benign tertian 7) The paroxysms for Plasmodium falciparum can best be described as ______________? a. mild tertian d. quotidian b. quartan e. none of the above c. malignant tertian 8) Which of the following epidemiological factors is not associated with Giardia lamblia? a. cats d. publix drinking water b. infected family member e. none of the above c. dogs 9) Choose the best answer that represents the chronological order of Plasmodium spp. development a. erythrocytic schizogony  exoerythrocytic schizongony  gametogony  sporogony b. exoerythrocytic schizogony  sporogony  gametogony  erythrocytic schizongony c. exoerythrocytic schizogony  gametogony  erythrocytic schizongony  sporogony d. exoerythrocytic schizogony  erythrocytic schizongony  gametogony  sporogony e. none of the above 10) A patient arrives at a clinic with paroxysms occurring every 72 hours. Which parasite is this symptom associated with? a. Plasmodium malariae d. Plasmodium vivax b. Plasmodium ovale e. none of the above c. Plasmodium falciparum 11) Which of the parasites below does not have an intracellular life cycle stage? a. Trypanosoma cruzi d. Trypanosoma brucei b. Plasmodium vivax e. all of the above c. Leishmania donovani 12) Which of the following is not a characteristic of the family Trypanosomatidae? a. heterotrophic d. single cellular b. eukaryotic e. all of the above c. prokaryotic 13) Which life cycle stage of Plasmodium vivax is infective for humans? a. schizont d. sporozoite b. cyst e. none of the above c. metacyclic trypomastigote 14) Which of the following parasites below has the following life cycle stages? trypomastigote  epimastigote  metacyclic trypomastigote  a. Trypanosoma cruzi d. Leishmania donovani b. Plasmodium ovale e. none of the above c. Trypanosoma brucei 15) Which of the following confers resistance to Plasmodium falciparum? a. recrudescence d. absence of Duffy blood group b. Sickle cell trait e. none of the above c. presence of Duffy blood group 16) A patient arrives at a clinic with Winterbottom’s sign. Which parasite is this symptom associated with? a. Trypanosoma brucei d. Plasmodium vivax b. Leishmania donovani e. none of the above c. Trypanosoma cruzi 17) Which of the following parasites below has the following life cycle stages? promastigote  amastigote  promastigote  a. Trypanosoma brucei d. Plasmodium falciparum b. Leishmania donovani e. none of the above c. Trypanosoma cruzi 18) Which of the following parasites below has the following life cycle stages? trypomastigote  amastigote  trypomastigote  epimastigote  metacyclic trypomastigote  a. Trypanosoma brucei d. Leishmania donovani b. Plasmodium vivax e. none of the above c. Trypanosoma cruzi 19) Which life cycle stage of Leishmania donovani is infective for humans? a. epimastigote d. metacyclic trypomastigote b. promastigote e. none of the above c. amastigote 20) Which of the following epidemiological factors is not associated with Trypanosoma cruzi? a. thatched roofs d. armadillos b. blood transfusion e. none of the above c. cracked walls 21) Which of the following epidemiological factors is not associated with Trichomonas vaginalis? a. sexual intercourse d. used towels b. swimming pools e. all of the above c. soiled washcloths 22) The paroxysms for Plasmodium ovale can best be described as _______________________________? a. quartan d. mild tertian b. quotidian e. none of the above c. malignant tertian 23) A parasite that lives within more than one host during the parasite’s life is known as _____________? a. dioecious d. monoxenous b. heteroxenous e. none of the above c. androgeny 24) Which of the following is the intermediate host for Plasmodium spp.? a. tsetse fly d. sand fly b. kissing bug e. none of the above c. Anopheles mosquito 25) Leishmania donovani is transmitted by which of the following vectors? a. Anopheles mosquito d. tsetse fly b. kissing bug e. none of the above c. sand fly 26) Which of the parasites below is the etiological agent for African sleeping sickness? a. Trypanosoma cruzi d. Trypanosoma brucei b. Plasmodium vivax e. all of the above c. Leishmania donovani 27) Trypanosoma cruzi is transmitted by which of the following vectors? a. sand fly d. Anopheles mosquito b. blowfly e. none of the above c. tsetse fly 28) Trypanosoma brucei is transmitted by which of the following vectors? a. tsetse fly d. kissing bug b. Anopheles mosquito e. none of the above c. sand fly 29) Which of the parasites below is the etiological agent for Chagas’ disease? a. Trypanosoma cruzi d. Trypanosoma brucei b. Plasmodium vivax e. all of the above c. Leishmania donovani 30) Which of the following is not one of the three indistinguishable subspecies of Trypanosoma brucei? a. T. b. brucei d. T. b. cruzi b. T. b. rhodesiense e. none of the above c. T. b. gambiense 31) A patient arrives at a clinic with Romaña’s sign. Which parasite is this symptom associated with? a. Trypanosoma cruzi d. Plasmodium ovale b. Leishmania donovani e. none of the above c. Trypanosoma brucei 32) Which life cycle stage of Giardia lamblia is infective for humans? a. trophozoite d. metacyclic trypomastigote b. schizont e. none of the above c. cyst 33) A patient arrives at a clinic with hepatosplenomegaly. Which parasite could this symptom be associated with? a. Trypanosoma cruzi d. Leishmania donovani b. Plasmodium malariae e. none of the above c. Trypanosoma brucei 34) Which life cycle stage of Trypanosoma brucei is infective for humans? a. epimastigote d. metacyclic trypomastigote b. promastigote e. none of the above c. amastigote 35) Which life cycle stage of Trichomonas vaginalis is infective for humans? a. trophozoite d. sporozoite b. schizont e. none of the above c. cyst 36) The paroxysms for Plasmodium vivax can best be described as _______________________________? a. benign tertian d. quartan b. quotidian e. none of the above c. malignant tertian 37) Choose the correct number that corresponds to nucleus. 38) Choose the correct number that corresponds to kinetoplast. 39) Choose the correct letter that corresponds to amastigote. 40) Choose the correct letter that corresponds to promastigote.