Activity 2: Helmilth Parasites February 23, 2021 This activity has 35 MCQ Questions. Please click NEXT to attempt the quiz. Q1 Identify Taenia solium Taenia saginata Hymenolepis nana Diphylobothrium latum Q2 Adaptations for parasitism are Suckers and a rostellum with double row of hooks Suckers and a rostellum with single row of hooks Suckers and rudimentary rostellum that lacks hooks Finger shaped with sucking groove Q3 Identify and give one morphological similarity with Fasciolopsis egg Clonorchis sinensis; presence of operculum Diphylobothrium latum; size range 60 x 40 μm Ascaris lumbricoides; yellow-brown in colour Trichuris trichiura: knob shaped spine on one side Q4 All of the following are diagnostic features of A. duodenale, except A pair of ventral cutting plates in the buccal capsule Anterior end is bent dorsally like a hook Buccal capsule is large and heavily sclerotized Has two pairs of teeth on ventral side Q5 Identify the stage and name a host you would examine to detect this stage Cercaria; Snail Miracidia; Snail Metacercaria; Fish Redia; Fish Q6 Identify egg giving one characteristic feature Schistosoma mansoni; large lateral operculum Schistosoma haematobium; large lateral operculum Schistosoma mansoni; large lateral spine Schistosoma japonicum; large lateral spine Q7 Name the part indicated by the arrow and give its function Gynecophoral canal of Schistosoma; - female is held within this canal Gynecophoral canal of Schistosoma; - Male is held within this canal Gynecophoral canal of Ascaris; - female is held within this canal Gynecophoral canal of Ascaris; - Male is held within this canal Q8 Match parasite with diagnostic specimen Trichomonas vaginalis Trophozoite: human Urine Ancylostoma duodenale egg: human sputum Paragonimus wetermani egg: sheep blood Toxoplasma gondii oocyst: Cat faeces Q9 Which specimen and stage of parasite would you use for the laboratory diagnosis of an infection of this worm in human? Faecal specimen; Egg Perianal scraping; Egg Sputum specimen; Larva Urine specimen; Larva Q10 Identify. Where is this structure likely to develop in humans? Taenia saginata cysticercus; Large intestines Taenia solium cysticercus; Bile duct Echinococcus granulosus hydatid cyst; Liver and lung Echinococcus granulosus hydatid cyst; Small intestines Q11 Identify Enterobius vermicularis Necator americanus Trichuris trichiura Paragonimus westermani Q12 Identify the parasite species and stage Plasmodium falciparum gametocyte Trypanosoma brucei trypomastigote Enterobius vermicularis adult Wuchereria bancrofti microfialria Q13 Name the eggs infective to a host at the time of passing out in faeces Ascaris; Hookworm Clonorchis; Schistosoma Hookworm; Schistosoma Ascaris; Clonorchis Q14 Which one is not a feature of the Ancylostoma duodenale egg? Size: 60 µm x 40 µm Shell is thin and colourless Contain 4 -8 cells Barrel shaped Q15 Identify Hookworm Enterobius vermicularis Trichuris trichiura Ascaris lumbricoides Q16 Identify the egg Enterobius vermicularis Ascaris lumbricoides Hymenolepis nana Taenia species Q17 Which is correctly matched with a characteristic feature of its Egg? Ascaris lumbricoides: small flat operculum Enterobius vermicularis: Shape: Flattened on one side and other side convex Fasciola hepatica: mammillated albuminous coat on outer shell Schistosoma haematobium : opercular plugs Q18 Identify Ascaris lumbricoides - Fertilised Egg Ascaris lumbricoides - infective Egg Ascaris lumbricoides - Unfertilized Egg Ascaris lumbricoides - Decorticated Egg Q19 Which egg has two polar thickenings on inner membrane with 4-8 polar filaments? Clonorchis sinensis Echinococcus granulosus Hymenolepis nana Hymenolepis diminuta Q20 A characteristic feature of Taenia egg is Thick, brown, radially striated shell Lid-like operculum on one end A lateral spine Polar thickenings on inner membrane Q21 Identify the adult Schistosoma mansoni Paragonimus westermani Fasciola hepatica Clonorchis sinensis Q22 Diagnosis of this infection involves Microscopic examination of urine Microscopic examination of faeces Microscopic examination of blood Microscopic examination of sputum Q23 Which adult worm has the following features: Has oral sucker and an acetabulum. But no oral cone or shoulders; No lateral branches in intestinal caeca Paragonimus westermani Schistosoma mansoni Fasciolopsis buski Fasciola hepatica Q24 Identify Taenia solium – Mature Proglottides Taenia solium – Gravid Proglottides Diphyllobothrium latum– Mature Proglottides Hymenolepis nana – Gravid Proglottides Q25 Identify Dwarf tapeworm Dog tapeworm Beef tapeworm Rat tapeworm Q26 Which cestode adult parasite has a strobila made of only 3 segments? Echinococcus granulosus Taenia solium Hymenolepis nana Diphylobothrium latum Q27 Identify Rhabditiform larva of Ascaris Cysticercus of Taenia solium Protoscolex of Echinococcus granulosus Cysticercoid of Hymenolepis nana Q28 Identify Diphyllobothrium latum Echinococcus granulosus Taenia solium Hymenolepis nana Q29 Identify Diphyllobothrium latum Echinococcus granulosus Taenia solium Hymenolepis nana Q30 This is the posterior end of which worm? Enterobius vermicularis Trichuris trichiura Ascaris lumbricoides Ancylostoma duodenale Q31 Which adult has wing-like expansions on each side of head? Ancylostoma duodenale Enterobius vermicularis Trichuris trichiura Ascaris lumbricoides Q32 What is the habitat of this worm in human? Posterior end of adult male Jejunum and duodenum Liver and lung Bile duct Caecum and colon Q33 Identify Ancylostoma duodenale Enterobius vermicularis Hymenolepis nana Ascaris lumbricoides Q34 Identify Ancylostoma duodenale Faciolopsis buski Trichuris trichiura Fasciola hepatica Q35 This stage is infective to the Dog Cat Human Mosquito 8 out of 7 Time is Up! Time's up
