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Parasitology~ EXAM 1 and answers 1. Protozoa 2. Helminths (worms) 3. Arthropods (fleas, ticks, etc.)What are the three organisms that are considered parasites? ParasitismRelationship between host and parasite; in or on host and is taking nutrients or blood or other substances from host. Hyperparasitismwhen a parasite is a host to another parasite Pinworms Giardiasis Dog roundworms Tickswhat are some common parasites in the United States? Travel Immigratio...

Parasitology Quiz questions and answers ParasitologyThe study of a type of symbiotic relationship, the organisms involved, and the host is affected. Symbiosis/Symbiotic RelationshipWhen two organisms live together. MutualismTwo organisms living together and both organisms benefit. Communalism (Commensalism)Two organisms living together where one organism benefits while the other is unaffected. Demodex Mite is and example of what relationship?Communalism A bee an...

Parasitology Exam II Chapter Questions and answers Malaria parasite with 6 to 12 merozoites in the schizontPlasmodium malariae C- or U-shaped body with a large kinetoplastT. cruzi Large kidney-shaped nucleusBalantidium coli Trophozite ingests red blood cellsEntamoeba hystolytica Large glycogen vacuoleIodamoeba butschlii Schizonts not seen in peripheral bloodPlasmodium falciparum, Cystoisospora belli, Taxoplasma gondii Pseudocysts in brainTaxoplasma gondii ...

Parasitology Exam I and answers Gravid proglottida proglottid containing fully developed eggs or shelled embryos Rostellumdome-shaped area on the apex of the scolex, often with hooks Tegumentsyncytium, structure through which all required substances are absorbed Oncospherea tapeworm envelop that has 6 suckers or hooks Diphyllobothrium latumadult in small intestine->eggs in feces->egg hatches in water->free swimming coracidium eaten by copepod->procercoid-&g...

Parasitology Exam 3 and answers unicellularProtozoan parasites are _________ (unicellular/multicellular) eukaryotesProtozoans are ______________ (eukaryotes/prokaryotes) false; they lack thistrue or false protists have a cell wall false; they require moisture and this isn't really a problem for most parasitic protozoatrue or false protists do not require a lot of moisture encystShould drying occur, many parasites have the ability to _______________-secrete a...

Parasitology Exam 3 and answers BilateralThe symmetry of most nematoda is PseudocoelomNematodas possess a ________ (coelom/pseudocoelom/acoelom) CompleteNematodas have a(n) _________ digestive tract (complete/incomplete) Underlying hypodermisIn nematoda, the noncellular cuticle is secreted by an _________ ________. 4In nematoda, a chitinous cuticle is shed __ times. Ventral excretory poreIn nematoda, where does the secretory-excretory system open? Cuticle, ...

Parasitology Exam 2 and answers TransmissionFundamental, mode depends on parasite -Fecal/oral -Trophic (consumption) -Direct Penetration -Vector Transmission -Sexual -Vertical Broadcast ReproductionA reproductive strategy in which reproductive propagules are released into the environment to be dispersed by water or wind. Many eggs are released. Complex migrationascaris suum- migrate also through respiratory system. Maintaining PositionUsed to cope with movement -Adhesive di...

Parasitology Exam 1- Lecture Quizes and answers d. stoolThe most common specimen submitted to the laboratory for detection of parasites is: a. blood b. sputum c. urine d. stool b. definitive host.The parasite host in which the reproductive phase of parasite development occurs is called the: a. obligatory host. b. definitive host. c. intermediate host. d. reservoir host. c. continue the parasite's life cycle.The purpose of a parasite infection of a host is to: a...

parasitology exam 1 practice questions and answers Which of the following statements best describes the process called phagocytosis? - It requires the rearrangement of clathrin - Small molecules are usually internalized in this manner - It is a process performed by specialized cells for the internalization of particles greater than 0.5um - All receptors can mediate this processIt is a process performed by specialized cells for the internalization of particles greater than 0.5um ...

Parasitology Exam 1 and answers A close relationship between two species that benefits at least one of the species.symbiosis each partner in symbiosissymbiont extremely short term relationship One symbiont benefits at the expense of the otherPredator-Prey symbiotic relationship Phor- To carry Smaller member of the relationship is mechanically carried about by the larger member. Travel buddiesPhoresis (symbiotic relationship) both organisms benefit Ofte...