Zoo113 QuizBee (Review) PDF

ZOO113: QUIZBEE(REVIEW) NEMATODE Question 1 (Easy) Which nematode is commonly known as the "whipworm"? A. Trichinella spiralis B. Trichuris trichiura C. Ancylostoma duodenale D. Ascaris lumbricoides Question 1 (Easy) Which nematode is commonly known...

ZOO113: QUIZBEE(REVIEW) NEMATODE Question 1 (Easy) Which nematode is commonly known as the "whipworm"? A. Trichinella spiralis B. Trichuris trichiura C. Ancylostoma duodenale D. Ascaris lumbricoides Question 1 (Easy) Which nematode is commonly known as the "whipworm"? B. Trichuris trichiura Question 2 (Easy) What is the mode of transmission for Enterobius vermicularis (pinworm)? A. Contaminated water B. Fecal-oral route via contaminated hands or objects C. Ingestion of undercooked pork D. Bite of an infected mosquito Question 2 (Easy) What is the mode of transmission for Enterobius vermicularis (pinworm)? B. Fecal-oral route via contaminated hands or objects Question 3 (Easy) What structure allows Strongyloides stercoralis to penetrate human skin? A. Buccal cavity B. Stylet C. Filariform larva D. Rhabditiform larva Question 3 (Easy) What structure allows Strongyloides stercoralis to penetrate human skin? C. Filariform larva Question 4 (Easy) Which nematode species is associated with lymphatic filariasis? A. Ascaris suum B. Wuchereria bancrofti C. Trichuris trichiura D. Ancylostoma duodenale Question 4 (Easy) Which nematode species is associated with lymphatic filariasis? B. Wuchereria bancrofti Question 5 (Easy) What is the common clinical manifestation of hookworm infection caused by Ancylostoma duodenale and Necator americanus? A. Bloody diarrhea B. Iron-deficiency anemia C. Lymphedema D. Fever and myalgia Question 5 (Easy) What is the common clinical manifestation of hookworm infection caused by Ancylostoma duodenale and Necator americanus? B. Iron-deficiency anemia Question 6 (Medium) Which stage of Trichinella spiralis is encysted in striated muscles? A. Adult B. Larva C. Egg D. Filariform larva Question 6 (Medium) Which stage of Trichinella spiralis is encysted in striated muscles? B. Larva Question 7 (Medium) What is the diagnostic technique for detecting Enterobius vermicularis eggs? A. Stool microscopy B. Knott's concentration technique C. Cellophane tape test D. Serological testing Question 7 (Medium) What is the diagnostic technique for detecting Enterobius vermicularis eggs? C. Cellophane tape test Question 8 (Medium) How do humans become infected with Angiostrongylus cantonensis (rat lungworm)? A. Ingestion of undercooked snails or slugs B. Inhalation of infective larvae C. Bite of an infected insect D. Drinking contaminated water Question 8 (Medium) How do humans become infected with Angiostrongylus cantonensis (rat lungworm)? A. Ingestion of undercooked snails or slugs Question 9 (Medium) What is the primary pathological effect of Ascaris lumbricoides migrating through the lungs? A. Intestinal obstruction B. Pneumonitis and eosinophilic response C. Iron-deficiency anemia D. Myocardial infarction Question 9 (Medium) What is the primary pathological effect of Ascaris lumbricoides migrating through the lungs? B. Pneumonitis and eosinophilic response Question 10 (Medium) What treatment is recommended for Wuchereria bancrofti infection? A. Albendazole B. Diethylcarbamazine (DEC) C. Praziquantel D. Artemisinin combination therapy Question 10 (Medium) What treatment is recommended for Wuchereria bancrofti infection? B. Diethylcarbamazine (DEC) Question 11 (Difficult) What stage of Trichuris trichiura develops in the soil before becoming infective to humans? A. Embryonated egg B. Rhabditiform larva C. Filariform larva D. Adult worm Question 11 (Difficult) What stage of Trichuris trichiura develops in the soil before becoming infective to humans? A. Embryonated egg Question 12 (Difficult) Which nematode is capable of autoinfection in humans, allowing persistent infections for years? A. Strongyloides stercoralis B. Trichuris trichiura C. Ascaris lumbricoides D. Ancylostoma duodenale Question 12 (Difficult) Which nematode is capable of autoinfection in humans, allowing persistent infections for years? A. Strongyloides stercoralis Question 13 (Difficult) What is the distinguishing morphological feature of Ancylostoma duodenale compared to Necator americanus? A. Buccal capsule with cutting plates B. Buccal capsule with teeth C. Smaller size D. Thicker eggshells Question 13 (Difficult) What is the distinguishing morphological feature of Ancylostoma duodenale compared to Necator americanus? B. Buccal capsule with teeth Question 14 (Difficult) Which nematode's life cycle includes both direct and indirect development with free-living and parasitic phases? A. Strongyloides stercoralis B. Wuchereria bancrofti C. Angiostrongylus cantonensis D. Trichinella spiralis Question 14 (Difficult) Which nematode's life cycle includes both direct and indirect development with free-living and parasitic phases? A. Strongyloides stercoralis Question 15 (Difficult) What is the key diagnostic feature of Angiostrongylus cantonensis in cerebrospinal fluid (CSF)? A. Eosinophilia B. Increased glucose levels C. Presence of adult worms D. Elevated neutrophil count Question 15 (Difficult) What is the key diagnostic feature of Angiostrongylus cantonensis in cerebrospinal fluid (CSF)? A. Eosinophilia Question 16 (Difficult) Which nematode can cause rectal prolapse in heavy infections, particularly in children? A. Ascaris lumbricoides B. Trichuris trichiura C. Strongyloides stercoralis D. Enterobius vermicularis Question 16 (Difficult) Which nematode can cause rectal prolapse in heavy infections, particularly in children? B. Trichuris trichiura Question 17 (Difficult) Which organ is primarily affected in severe Trichinella spiralis infection? A. Liver B. Lungs C. Skeletal muscles D. Intestines Question 17 (Difficult) Which organ is primarily affected in severe Trichinella spiralis infection? C. Skeletal muscles Question 18 (Difficult) What is the minimum infective dose for Ascaris lumbricoides eggs to establish infection in humans? A. 1 egg B. 10 eggs C. 100 eggs D. 1,000 eggs Question 18 (Difficult) What is the minimum infective dose for Ascaris lumbricoides eggs to establish infection in humans? A. 1 egg Question 19 (Difficult) What is the primary method of controlling filariasis caused by Wuchereria bancrofti? A. Mass drug administration (MDA) programs B. Improved sanitation C. Vaccination D. Vector control using larvicides Question 19 (Difficult) What is the primary method of controlling filariasis caused by Wuchereria bancrofti? A. Mass drug administration (MDA) programs Question 20 (Difficult) What role does a paratenic host play in the life cycle of Angiostrongylus cantonensis? A. It serves as the primary site of larval development. B. It harbors infective larvae but does not allow further development. C. It acts as the definitive host where reproduction occurs. D. It is essential for completing the nematode's life cycle. Question 20 (Difficult) What role does a paratenic host play in the life cycle of Angiostrongylus cantonensis? B. It harbors infective larvae but does not allow further development.