ZOO 4234 Parasitology Exam 3 Questions and Answers Latest Update Graded A

ZOO 4234 Parasitology Exam 3 Questions and Answers Latest Update Graded A. Which of the following is affected by the hydrostatic skeleton in nematodes? a) locomotion d) gamete formation b) feeding e) all of the above c) reproduction 4) Which nematode species covered can cause hanging groin and elephantiasis? a) Strongyloides stercoralis d) Onchocerca volvulus b) Trichinella spiralis e) none of the above c) Ascaris lumbricoides 6) Which of the following is not a characteristic of the secretory-excretory system in nematodes? a) 2 long canals in lateral hypodermisd) presence of excretory pore b) flame cells e) none of the above c) excretion occurs via intestine 7) What determines whether Strongyloides stercoralis undergoes a free living mode in females? a) temperature > 33C d) high relative humidity b) low relative humidity e) none of the above c) temperature < 34C 9) Which nematode species covered can utilize a human as both intermediate and definitive host? a) Ascaris lumbricoides d) Onchocerca volvulus b) Trichinella spiralis e) none of the above ZOO 4234 Parasitology Exam 3 Questions and Answers Latest Update Graded A c) Trichuris trichiura 14) Which of the following is not an epidemiological characteristic of Trichinella spiralis? a) eating infected pork d) ingesting beetle b) human not important for life cycle e) none of the above c) zoonotic disease 1 16) Which nematode species covered can cause rectal prolapse? a) Trichinella spiralis d) Strongyloides stercoralis b) Ascaris lumbricoides e) none of the above c) Trichuris trichiura 17) Which of the following is not a characteristic of nematodes? a) bilaterally symmetrical d) dioecious b) syncytial tegument e) all of the above c) pseudocoelomate 22) Which of the following is an epidemiological factor for human infection with Ochocerca volvulus? a) clear, slow running water d) presence of black fly b) presence of blowfly e) none of the above c) murky, fast running water 24) Which of the following helps to ensure food moves through the digestive system in nematodes? a) hydrostatic pressure d) posterior bulb b) newly ingested food e) all of the above c) locomotion 25) Which of the following is not characteristic of the life history of Trichinella spiralis? a) intracellular parasite d) copulation within the mucosal epithelium b) viviparous e) none of the above c) nurse cell