Parasitology Practice Sheet PDF

Please Choose the correct answer. 1- The intermediate host in the life cycle of schistosomiasis is a.Snails b.Dogs c.Fishes d.Human 2-The penetration is in in the mode of transm...

Please Choose the correct answer. 1- The intermediate host in the life cycle of schistosomiasis is a.Snails b.Dogs c.Fishes d.Human 2-The penetration is in in the mode of transmission for Schistosoma mansoni. a.Blood b.skin c.mucus d.intestine 3-The gynaecophoric canal is.. a- a.part of the body of female Schistosoma b-used by male Schistosoma to carry its female c- cused by female Schistosoma to lay its eggs d- a part of the body of Schistosoma cercaria 4-Egg of Schistosoma mansoni has..... a. an operculum at one end b.a thick shell c.a terminal spine d.a lateral spine 5-Egg of Schistosoma haematobium has. a- an operculum at one end b- b.a thick shel c.a terminal spine c- d.a lateral spine 6-How is schistosomiasis primarily transmitted? a- Airborne droplets b- b.Contaminated food c- Contact with freshwater containing d- d.Direct skin contact with infected the cercaria individuals 7- How do people become infected with intestinal taeniasis? a. By eating undercooked pork or beef b. By eating undercooked fish. c.By eating undercooked snails. d. By eating undercooked birds 8-The definitive host of Taenia solium is which of the following? a.Man b.Swine c.Dog d.Cattle 9- Amoebiasis is caused by...... a. Toxoplasma gondii b.Entamoeba histolytica c.Ascaris lumbricoides d.None of these 10- Which of the following is the infective form of the malaria parasite?\ a.Oocyst b.Sporozoite c. Bradyzoite d.Tachyzoite 11-Which of the following parasites is responsible for the cause of African sleeping sickness or Gambiense fever?.... a.Leishmania b.Trypanosoma c.Entamoeba d.Trichomonas 12- "Trypanosomiasis" is transmitted by or carrier of Trypanosoma in man is...... a.Fruit fly b.Tse-tse fly c.Housefly d.Mayfly 13- Fasciola hepatica is found in........ A-a.Intestine of sheep b.Blood of sheep c.Liver of sheep B- d.Spleen of sheep 14- Encystations of metacercariae onto aquatic vegetation occurs with which of the following flukes? a. Echinostoma ilocanum b.Heterophyes heterophyes c.Fasciolopsis buski d.Fasciola hepatica 15-life cycle of Plasmodium is a- a.Monogenetic b- b.Digenetic c- c.Trigenetic d- d.polygenetic 16- The sporozoites of Plasmodium first attack...when invade human body. a.liver cells b.RBCs c.Muscles d.intestine 17- Male gamete of Plasmodium is known as..... a- microgametocyte b- isogametes c- hologametes d.macrogametes 18- This is the basis on which female Ascaris can be identified. (a) Two spicules found at the posterior end (b) Presence of postanal and preanal papillae (c) Straight posterior end (d) Common cloacal aperture 19- This has no alternate host.... (a) Plasmodium vivax (b) Tapeworm (c) Fasiola hepatica (d) Ascaris lumbricoides 20- Hatched larvae incubate in the until they reach maturity for Ascaris. a. lungs b. liver c. Heart d. All 21- When present in the intestines, Ascariasis may cause what symptom? a. a.Nausea b. b.Vomiting c. c. Stomach pain d.All 22- infection of Ascaris usually occurs by..... a- Tse-tse fly b- Mosquito bites c- Drinking water containing eggs of d- Eating imperfectly cooked pork Ascaris  23- Ascaris spp are commonly transferred to the host via... A.Fecal-oral route B.Respiratory route C.Both A & B D.None of the above 24- body cavity of Ascaris is called....... a- Haemocoel b- Coelom c- Pseudocoel d- Amphicoel 25-Swelling of the lymph nodes in African trypanosomiasis is called as...... a. Trypanosoma chancre b.Winterbottom's sign c.Both d.None 26- Trichomonads are members of which Phylum of Protozoa........ a.Porifera b.Flagella c.Apicomplexa d.Sarcomastigophora 27-Protozoal parasites belonging to class Mastigophora are characterized by having...... a.Cilia b.flagella c.complex structure d.All 28- Flask-shaped intestinal lesion (necrosis) is caused by the infection with a. Trichomonas sp b. Giardia sp c. Entamoeba histolytica d.None 29..............relation in which one member benefits, and the other one neither benefits nor is harmed a.Mutualism b.Commensalism c.Parasitism d.None 30-Mutualism relations have.... a.both members benefit b.both members harmed c. one benefit and other harmed d.All 31- If Entamoeba histolytica were detected in the lung of an infected person, this called..... a.Facultative b.Endemic c.Erratic d.heteroxenous 32-This form of Trypanosoma is called........ a.Trypomastigote b.epimastigote c.Amastigote d.Promastigote 33- The incubation period for Plasmodium( when symptoms starts to appear), when merozoites rupture....... a.RBCs b.WBCs c.skin cells d.Macrophages 34- The final host for Plasmodium vivax is........ a.bed bug b. female Anopheles mosquitoes c.man d.male Anopheles mosquitoes 35- The sexual stages of Plasmodium (micro and macro-gamonts) produced in...... a.RBCs b.WBCs c.skin cells d.Macrophages 36-Inside the human body,Plasmodium can reproduces...... a.sexually b.Asexually c.Both d.None  37- A patient with Mal-absorption of sugars, fats and presence of whitish to yellowish stool.what do you expect in his stool sample?? a.Giardia b.Acanthamoeba c.Trypanosoma d.Plasmodium 38- The most preferable test for Toxoplasma detection is a.cyst detection b.IgG c.IgM d.both b,c 39-Plasmodium........is the most deadly malaria parasite. a.ovale b.knowlesi c.malariae d.falciparum 40-If you know that, is an Apicomplexan animal, Babesia, what do you expect the infective stage for it.. a.cyst b.trophozoite c.sporozoites d.All 41- A patient was diagnosed to have Naegleria fowleri, which form could be detected in that cerebrospinal fluid patient sample? a.cyst b.falgellated form c.amoeboid form d.All 42- The body cavity of Nematoda is...... a.true coelomate b.Acoelomate c.Pseudocoelomate d.None 43-Infected stage of Ascaris is....... a.unfertilizedeggs b.egg containing rhabditiform larva c.4th larva d. 2nd larva 44- Spoliative effect occurs when a patient acquires vitamin A deficiency when heavily infected with... a.Plasmnodium b.Ascaris c.Schistosoma d.Fasciola 45- Löffler's syndrome is detected when larva of..... present in lungs and accompanying with eosinophilia. a.Plasmodium b.Fasciola c. Schistosoma d.Ascaris 46-This egg was detected in the stool of infected man with.. a. Ascaris b.Trichuris c.Schistosoma d.Taenia 47- This egg was detected in a patient stool, it's for a.Ascaris b.Trichuris c.Schistosoma d.Enterobius 48- Final host for Wuchereria bancrofti is a.Tsetse fly b.culix c.horsefly d.man 49- Elephantiasis is an infectious disease that spreads through mosquito bites, that may spread to man through infection with.... a.Wuchereria b.Ascaris c.horsefly d.Fasciola 50- This form of Trypanosoma is called a.Amastigote b.Promastigote c.Epimastigote d.Trypomastigote 51- The infective stage of Trypanosoma i a.sporozoites b.merozoites c.Metacyclic form d.Amastigote form 52-Chaga's disease is caused by. a. Trypanosoma gambiens b. Trypanosoma cruzi c.Trypanosoma rhodesiense A. a,c 53- G. lamblia lives in the..of man a.Small intestine b.Large intestine c.stomach d.B,c 54-.........helps in Giardia lamblia attachment to intestinal mucosa. a. Basal disc b.kinetplast c.sucking disc d..none 55- The trophozoite form of Giardia lamblia contains..... pair of flagella. a.2 b.4 c.6 d.8 56-The infective stage of Giardia lamblia is a.trophozoites b.Trophozotes on food b. cyst d.A,b 57- The cyst of Giardia lamblia can be transmitted to man through a.contaminated food or drink b.sexual contact c. respiratory system d.none 58-The infective stage of Trichomonas vaginalis is a.trophozoites b.Trophozoites on food c.cyst d.b,c  59- In males' body, Trichomonas vaginalis may invade......... a.vagina b.prostate c.urethra d.b,c 60- case study: a female suffers from abundant and frothy vaginal discharge ranging in color from gray to green to yellow, with a watery to milky consistency, with foul odor and there's pain and itching in vaginal area..... what do you expect (exclude viral infections) a.She might acquired Trichomonas vaginalis b. She might acquired Schistosoma mansoni c.She might acquired Trypanosoma d.She might acquired Giardia lamblia 61- This blood smear shows, infection with a.Trypanosoma b.Entamoeba Coli cyct c.Plasmodium d.a,b 62- It's preferable to clean all clothes if you have cats in the apartment,specially if a pregnant woman is found, which parasite may cause harmful effect to the fetus?? a.Trypanosoma b.Balantidium c.Plasmodium d.Toxoplasma 64-Congenital toxoplasmosis severely affects on a.brain and eyes b.liver c.kidney d.none 65- The infective stage of Balantidium is a.cyst b.trophozoites c.Both d.None 66-Balantidium lives in...... of an infected man. a.stomach b.small intestine c.large intestine d.liver 67-Balantidium coli is a parasite of....... a.Ciliophora b.Flagellates c.Sarcodina d.Apicomplexa 68-What is the other name for Schistosomiasis...... a.Malaria B.Bilharzia c.Pthiriasis d.Teniasis 69- Case study....this kind of eggs was detected in a patient sample. Please answer the following questions 1- It can found in......(stool) 2- Type of the parasite caused it? (S.mansoni) 3- The adult of the parasite is found in.....(mesenteric veins) 70-Case study....this kind of eggs was detected in a patient sample. Please answer the following questions: 1- it can found in......(urine sample) 2- type of the parasite caused it? (S.haematobium) 3- the adult of the parasite is found in.....(urinary bladder veins) 71-This is cercaria of....... Schistosoma a. it can be transmitted to human by.... Skin penetraion b. is it the infective stage? Yes c. after penetraion, it's called.....schistosomule 72- The intermediate host of Fasciola is.....snail a.Lymnia b.Bulinus c.Biomphlaria sp d.b,c 73- The intermediate host of S.haematobium is.....snail a.Lymnia b.Bulinus sp c.Biomphlaria sp d.b,c 74-The intermediate host of S.mansoni is.....snail a.Lymnia b.Bulinus sp c.Biomphlaria sp d.b,c 75-The infective stage of Fasciola is....... a.encysted metacercaria b.cercaria c.sporocyst d.sporozoites 76-Halzoun effect is caused by..... when ingested in the liver of infected cattle. a.eggs of Fasciola b.adult Schistosoma c.eggs of Scistosoma d.adult Fasciola 77- You have seen this in a meat piece, what do you expect? a.hexacanth embryo of Taenia b.cysticercus of Taenia b.both d.none 78-This scolex represents...... a.Taenia solium B.Taenia saginata c.both d.None 79-This scolex represents a.Taenia solium B.Taenia saginata c.both d.None 80- This eggs was found in the stool of a patient, it's for....... a.Schsitosoma mansoni b.Fasciola c.Taenia d.Ascaris 81-Presence of cysticercus cellulosa in human tissues, in tongue, occurs when......is ingested accidently a.larva of T.solium b.eggs of T.solium cLarva of.T.saginata d.eggs of T.saginata 82-Ancylostoma may invade human by..... a.eating contaminated food or dink b.Penetration of skin c.inhalation d.blood transfusion 83- Adult Wuchereria bancrofti found in.....in infected man. a.intestine b.stomach c.lymph nodes d.brain 84-The infective form of Wuchereria bancrofti (3rd larval stage) may invade human by.... a.eating contaminated food or dink b.Penetration of skin c.Mosquito biting d.blood transfusion 85- which one (a) or (b) represents the male Ancylostoma? a.a b.b Please Put True (T) Or False (F) 1- Unfertilizedeggs of Ascaris, can be developed and become infected to human.F 2- The second rhabditiform larva is the infective form of Ascaris. F. 3- Elephantiasis of the legs is the most common symptom of infection with Wuchereria bancrofti.T 4- In a man infected with Taenia, we can detect the whole parasite in his stool.F 5- Balantidium can be transmitted to humans by blood transfusion. F 6- the cat infected with Toxoplasma is considered a dead-end life cycle for that parasite.F 7- The infective stage of Toxoplasma is the sporulated oocyst (2sporocyst each containing 4 sporozoites). T. 8- if a man acquired Toxoplasma, it encysts in tissues and then it can't be transmitted to another person.T 9- Naegleria fowleri is a heat-loving amoeba that live in low oxygen, can be found in three forms; cyst,amoeboid,and flagellate forms.T 10-Trichomoniasis, one of the most common non-viral sexually transmitted diseases (STD).T 11-During the life cycle of Trichomonas vaginalis,cysts and the trophozites are found inside human body.F 12-Sexual transmission is the usual mode of infection with Trichomonas vaginalis.T 13-We can see both trophozoites and cysts in Giardia lamblia diarrheal stool patient.T 14-Giardia lamblia infection leads to mal-absorption of sugars, fats, and fat-soluble vitamins leading to weight loss.T 15-Giardia lamblia life cycle is heteroxenous.F. 16-T. cruzi infection produces inflammatory response, cellular destruction, and fibrosis of muscles, Thus, it can lead to cardiac myopathy and megaesophagus and megacolon.T 17-Transmission of Trypanosoma cruzi to man and other reservoir hosts takes place when mucus membranes, conjunctiva, or wound on the surface of the skin is contaminated by feces of the bug containing metacyclic trypomastigotes.T 18-Human is the final host for Trypanosoma,while tse-tse fly is the intermediate host.F 19-Sleeping sickness is the last stage of Trypanosomna invading cerebrospinal fluid.T 20-Giardia is monoxenuous life cycle (T) 21-The final host of Schistosoma mansoni is the snail (F) 22-Trypanosoma is an intracellular parasite while Plasmodium is intercellular one (f) 23-Acanthamoeba parasite infective stages may be cyst or trophozoites t 24-Autoinfection of Enterobius occurs by scratching the perianal area and transferring infective eggs to the mouth with contaminated hands t 25-Retroinfection is the migration of newly hatched larvae of Enterobius from the anal skin back into the rectum t 26-Trichuris travels to liver, heart and lung to develop into the 4th larval stage before it arrives tointestine f 27-When the larva of Ascaris hatches outfrom the egg inside human stomach, it travels to liver, heart and lung to develop into the 4th larval stage before it arrives to intestine.T. 28-Nematodes characterize with segmented body and thus they can be called after roundworms F 29-All Platyhelminthes are acoelomate animals T 30-S. haematobium invades vesical and pelvic plexus of veins (urinary bladder). T 31- S. mansoni invades inferior mesenteric plexus of veins (mesentery) T 32-Gravid segments are found near the anterior end of the tapeworm F 33-Ancylostoma duodenale inhabits stomach in infected patients.F 34-Microfilaria of Wuchereria bancrofti can be detected in blood and lymphatics of infected patients.T 35-Eggs containing the filariform larva is the infective stage of Ancylostoma. F 36-Coelozoic parasites inhabit the lumen of the intestine or other hollow organs.T 37-Histozoic parasites live within tissues of the host. T 38-Trypanosoma cruzi divides sexually within tse-tse fly and asexually within human.F 39-Trichomonas tenax was found in oral gingival of infected patient.T 40-Entamoeba histolytica trophozoite encysts in the small intestine of infected patients.F