Parasitologie Test 0% 0 votes, 0 avg 0 You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed* The timer has been reached. The exam has now been terminated and saved. Parasitologie Test 1 / 60 Morphologically, Cyclospora oocysts measure around: a. 15-20 µm b. 3-5 µm c. 1-2 µm d. 8-10 µm 2 / 60 Which parasite shows no tissue migration ? a. Enterobius vermicularis b. Hookworm c. Strongyloides stercoralis d. Ascaris lumbricoides 3 / 60 Which of the following may be seen in giardiasis? a. Megaloblastic anemia b. Ulceration of large intestine c. Hematuria d. Malabsorption of fats 4 / 60 Drug of choice for Giardia lamblia : a. Ivermectin b. Doxycycline c. Metronidazole d. Albendazole 5 / 60 Which host harbors both sexual and asexual stages of parasites? a. Vector b. Definitive host c. Intermediate host d. Paratenic host 6 / 60 Ascaris eggs become infective after: a. Immediately after excretion b. 1 week c. 2–4 weeks in soil d. 1 day 7 / 60 Transmission of Dracunculus medinensis occurs via: a. Eating raw pork b. Sexual contact c. Drinking water with infected copepods d. Mosquito bite 8 / 60 What is the definitive host of Taenia solium ? a. Cow b. Pig c. Human d. Dog 9 / 60 Anisakis is most likely to cause: a. Skin lesions b. Gastrointestinal symptoms c. Neurological damage d. Liver failure 10 / 60 Hookworms cause anemia due to: a. Immune suppression b. Blood feeding by adult worms c. Liver dysfunction d. Intestinal blockage 11 / 60 Which tapeworm has a scolex with both suckers and hooks? a. Diphyllobothrium b. Taenia solium c. Echinococcus d. H. nana 12 / 60 Transmission of Entamoeba histolytica occurs via: a. Mosquito bites b. Sexual contact c. Airborne spores d. Ingestion of cysts in contaminated food or water 13 / 60 The site of egg deposition by Schistosoma haematobium is: a. Urinary bladder b. Lungs c. Intestine d. Brain 14 / 60 Taenia solium infection occurs via ingestion of: a. Mosquito bite b. Larvae in soil c. Cysticerci in undercooked pork d. Embryonated egg in water 15 / 60 Which organ is most commonly targeted by parasites? a. Bones b. Liver c. Intestines d. Brain 16 / 60 The hallmark shape of Babesia in red blood cells is: a. Ring b. Tetrad (Maltese cross. c. Crescent and ring d. Crescent 17 / 60 What is the infective stage of Schistosoma spp.? a. Miracidia b. Cercariae c. Metacercariae d. Eggs 18 / 60 Paragonimus westermani is known as the: a. Blood fluke b. Intestinal fluke c. Lung fluke d. Liver fluke 19 / 60 A key diagnostic feature of Taenia eggs is: a. Operculum b. Lateral spine c. Hexacanth embryo d. Polar filaments 20 / 60 Parasite virulence refers to: a. Ability to evade immunity b. Mode of reproduction c. Severity of disease caused d. Ability to enter host cells 21 / 60 A paratenic host is one in which the parasite: a. Completes its sexual phase b. Survives without development c. Undergoes development d. Cannot be found 22 / 60 Which protozoa has flagella but no cyst form? a. E. coli b. G. lamblia c. E. histolytica d. T. vaginalis 23 / 60 What is a vector in parasitology? a. An insect that transmits a parasite b. A parasite reservoir c. A parasite that reproduces sexually d. A diagnostic tool 24 / 60 Which protozoan uses a ventral sucking disc for attachment? a. E. histolytica b. Naegleria fowleri c. G. lamblia d. T. vaginalis 25 / 60 The adult form of Opisthorchis viverrini lives in the: a. Lymph nodes b. Intestinal lumen c. Bile ducts d. Urinary bladder 26 / 60 Infection by Schistosoma occurs through: a. Skin penetration by cercariae b. Ingestion of cysts c. Insect bite d. Fecal-oral route 27 / 60 Which of the following is a morphological feature of Fasciolopsis buski ? a. Terminal spine b. Scolex c. Unsegmented cylindrical body d. Large leaf-like shape 28 / 60 Diagnostic method for Trichomonas vaginalis : a. Wet mount of vaginal discharge b. Urine dipstick c. Blood smear d. Stool microscopy 29 / 60 Which helminth has a “barrel-shaped” egg with polar plugs? a. Strongyloides b. Ascaris c. Hookworm d. Trichuris trichiura 30 / 60 The egg of Hymenolepis diminuta differs from H. nana by: a. Having polar filaments b. Being larger c. Lacking polar filaments d. Being operculated 31 / 60 Parasites can cause anemia by: a. Consuming red blood cells b. Affecting the heart c. Inhibiting bone growth d. Damaging lungs 32 / 60 Prevention of amoebiasis includes: a. Use of mosquito nets b. Avoiding raw meat c. Vaccination d. Boiling or filtering drinking water 33 / 60 What is the shape of Giardia lamblia trophozoite? a. Oval with flagella b. Round c. Tear-drop shaped with bilateral symmetry d. Pear-shaped with spines 34 / 60 Which helminth has a “barrel-shaped” egg with polar plugs? a. Ascaris b. Hookworm c. Trichuris trichiura d. Strongyloides 35 / 60 Primary transmission of Clonorchis sinensis is through: a. Inhalation b. Skin penetration c. Eating undercooked freshwater fish d. Eating raw aquatic plants 36 / 60 The ability of a parasite to cause disease is called: a. Resistance b. Virulence c. Pathogenicity d. Immunity 37 / 60 Parasites with direct life cycles: a. Do not require intermediate host b. Transmit via vectors c. Always cause disease d. Require intermediate host 38 / 60 What structure helps T. vaginalis move? a. Flagella b. Cilia c. Fimbriae d. Pseudopodia 39 / 60 The disease elephantiasis is caused by: a. Onchocerca volvulus b. Wuchereria bancrofti c. Trichuris d. Loa loa 40 / 60 Drug of choice for Schistosomiasis : a. Praziquantel b. Albendazole c. Triclabendazole d. Metronidazole 41 / 60 The eggs of Fasciola hepatica are: a. Barrel-shaped with plugs b. Oval, operculated, and large c. Round with a hook d. on-operculated 42 / 60 A parasite that temporarily attaches to a host for feeding is: a. Pseudoparasite b. Obligate parasite c. Intermittent parasite d. Facultative parasite 43 / 60 Pathogenesis caused by Echinococcus granulosus involves: a. Liver cysts b. Skin ulcers c. Brain hemorrhage d. Intestinal blockage 44 / 60 Where does Paragonimus westermani localize in humans? a. Lungs b. Bladder c. Brain d. Bile duct 45 / 60 Common symptom of balantidiasis: a. Constipation b. Diarrhea with blood and mucus c. Skin ulcers d. Vomiting 46 / 60 A common sign of Trichinella infection: a. Muscle pain and swelling b. Constipation c. Hematuria d. Itching 47 / 60 Which test is used to diagnose Enterobius vermicularis infection? a. Cellophane tape test b. Serology c. Kato-Katz d. Direct wet mount 48 / 60 Parasites often survive long in hosts due to: a. Antigenic mimicry b. Immediate immune activation c. Lack of host resistance d. Rapid reproduction 49 / 60 Plasmodium vivax causes fever every: a. 36 hours b. 48 hours c. 24 hours d. 72 hours 50 / 60 What is the egg difference between H. diminuta and H. nana ? a. Size b. Absence of polar filaments in H. diminuta c. Shape d. Color 51 / 60 What is the major clinical complication of D. latum ? a. Diarrhea b. Heart failure c. Vitamin B12 deficiency anemia d. Blindness 52 / 60 Which response is most involved in parasite pathogenesis? a. Passive immunity b. Humoral immunity c. Cellular immunity d. Inflammatory immunity 53 / 60 What is the vector for Wuchereria bancrofti? a. Tsetse fly b. Mosquito c. Blackfly d. Sandfly 54 / 60 Anisakis is most likely to cause: a. Gastrointestinal symptoms b. Skin lesions c. Liver failure d. Neurological damage 55 / 60 Which host harbors the sexual stage of a parasite? a. Paratenic host b. Definitive host c. Intermediate host d. Reservoir host 56 / 60 The intermediate host of Hymenolepis nana is: a. None (direct life cycle. b. Dog c. Pig d. Cow 57 / 60 Which worm causes liver hydatid cysts in humans? a. Hymenolepis nana b. Echinococcus granulosus c. Taenia solium d. Diphyllobothrium latum 58 / 60 Necator americanus is commonly known as: a. Threadworm b. Pinworm c. New World hookworm d. Whipworm 59 / 60 Which of the following is a non-pathogenic parasite often found in stool? a. Giardia lamblia b. Cryptosporidium parvum c. Entamoeba coli d. Entamoeba histolytica 60 / 60 Which clinical sign is commonly associated with hookworm infection? a. Bloody diarrhea b. Night blindness c. Jaundice d. Iron-deficiency anemia Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback