Zoo 4234 exam - Study guides, Class notes & Summaries

Pathology Alaria americana - - mature Alaria are very pathogenic and cause severe enteritis (inflammation of small intestine) - often kills host in severe infections - can be fatal in humans when accumulated in large numbers Alaria americana epidemiology - -Found in various species of Canidae in northern North America -mesocercariae pathogenic to humans *of medical importance -Acquired by eating

Hyperparasitism - Condition in which an organism is a parasite of another parasite - EX: tapeworm juvenile in flea Coelozoic parasites - a parasite living in the lumen of a hollow organ - EX: intestine Histozoic parasites - a parasite living within the tissues of a host - EX: liver

What behavioral changes occur in the 1st intermediate host in the life cycle of Leucochloridium variae? - a) snail takes cover under leaf litter b) ant does not leave its nest *c) snail remains visible on tree branches* d) ant bites down on blade of grass e) none of the above

Which of the following is a characteristic of Platyhelminthes? a) Most are parasitic b) Dorsoventrally flattened c) Triploblastic d) Acoelomate e) All of the above Which of the following is NOT a characteristic of Platyhelminthes? a) Triploblastic b) Parenchyma c) Pseudocoelomate d) Dorsoventrally flattened e) None of the above Which of the following is a class belonging to the Phylum Platyhelminthes? a) Turbellaria b) Monogenea c) Cestoidea d) Trematoda e) All of the above ...

1. 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) Ascarislumbricoides 2. Which nematode species covered can utilize a human as both intermediate and definitive host? a) Ascarislumbricoides d) Onchocerca volvulus b) Trichinella spiralis e) none of the above c) Trichuristrichiura 3. Which of the following is affected by the hydrostatic skeleton i...

ZOO 4234 - PARASITOLOGY EXAM 2 WITH ANSWERS Which of the following is a characteristic of Platyhelminthes? a) Most are parasitic b) Dorsoventrally flattened c) Triploblastic d) Acoelomate e) All of the above Which of the following is NOT a characteristic of Platyhelminthes? a) Triploblastic b) Parenchyma c) Pseudocoelomate d) Dorsoventrally flattened e) None of the above Which of the following is a class belonging to the Phylum Platyhelminthes? a) Turbellaria b) Monogenea c) Cest...

ZOO 4234 -PARASITOLOGY EXAM 3 FINAL 1. 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 2. 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 c) Trichuris trichiura 3. Which of the following is affe...

ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers/ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers/ZOO 4234 Parasitology Exam 4 - Exam Questions and Answers 1) Which life cycle stage of Trypanosoma cruzi is infective for humans? a. epimastigote d. metacyclic trypomastigote b. promastigote e. none of the above c. amastigote 2) Which of the following confers resistance to Plasmodium vivax? a. recrudescence d. absence of Duffy blood group b. Sickle cell trait e. none of the above...