Zoo 4234 parasitology Study guides, Class notes & Summaries

Phylum Platyhelminthes - Correct Answer-Flatworms. Parasitic. Acoelomates. Tripoblastic. Dorsoventrally flattened- greater S.A to respire by diffusion. Tegument- surficial covering of multicellular organism Parenchyma- loosely arranged mass of fibers and cells Phylum Platyhelminthes- Classes - Correct Answer-Turbellaria. Trematoda. Monogenea. Cestoidea. Digenea - Correct Answer-Subclass to class Trematoda. Parasitize all classes of vertebrates. Develops in at least two hosts. F...

Parasitology is the study of the most common mode of life on earth, which is centered on? - Correct Answer-Animal Parasites Phoresis - Correct Answer-"to carry" Protocooperation - Correct Answer-mutually beneficial relationship between organisms in which the interaction is not physiologically necessary for survival Which of the following is not a characteristic of protocooperation? - Correct Answer-a. symbiotic interaction b. mutually beneficial *c. physiologically necessary* Whi...

Zoo 4234 general parasitology exam 2 florida international university1) Which of the following is an epidemiological factor for human infection with Schistosoma haematobium? a) eating undercooked fish b) eating undercooked crab c) eating raw aquatic plants d) swimming in a contaminated lake e) none of the above 2) Choose the best answer that represents the chronological order of digenean development a) adult egg metacercaria sporocyst redia cercaria miracidia b) adult sporocyst egg redi...

Phylum Platyhelminthes Flatworms. Parasitic. Acoelomates. Tripoblastic. Dorsoventrally flattened- greater S.A to respire by diffusion. Tegument- surficial covering of multicellular organism Parenchyma- loosely arranged mass of fibers and cells Phylum Platyhelminthes- Classes Turbellaria. Trematoda. Monogenea. Cestoidea. Digenea Subclass to class Trematoda. Parasitize all classes of vertebrates. Develops in at least two hosts. First host is usually a mollusk (snail), or very rare...

Parasitology The study of the most common mode of life on earth: parasites. Parasites are (more/less/equally) common compared to free living organisms. Way MORE Parasitology is centered on animal parasites of _________, __________and _______. Humans, domestic animals, and wildlife There are also _________ parasites Protozoan A ________ is and organism that lives in or on another organism (host) and either harms or lives at the expense of the host. Parasite. A ______ is the organisms t...

Virulence deals with the consequences of a parasite on the hosts _________. - Correct Answer-a) anatomy b) behavior *c) reproductive success* d) physiology e) all of the above Which of the following is not a characteristic of Platyhelminthes? - Correct Answer-a) most are parasitic b) dorsoventrally flattened c) triploblastic *d) pseudocoelomate* e) all of the above Which of the following is not a class belonging to the phylum Platyhelminthes? - Correct Answer-a) Turbellaria b) Mo...

Parasitology is the study of the most common mode of life on earth, which is centered on? - Animal Parasites Phoresis - "to carry" Protocooperation - mutually beneficial relationship between organisms in which the interaction is not physiologically necessary for survival Which of the following is not a characteristic of protocooperation? - a. symbiotic interaction b. mutually beneficial *c. physiologically necessary* Which of the following is not a characteristic of mutualism? - a. sy...

Virulence deals with the consequences of a parasite on the hosts _________. - a) anatomy b) behavior *c) reproductive success* d) physiology e) all of the above Which of the following is not a characteristic of Platyhelminthes? - a) most are parasitic b) dorsoventrally flattened c) triploblastic *d) pseudocoelomate* e) all of the above

Digenea female reproductive system Ans -ovicapt: sphincter muscle controls release of oocyte from ovary term-11 - Laurer's canal: vestigial vagina - Mehlis' gland: unicellular mucous and serous glands surrounding ootype - Ootype: expanded area of oviduct surrounded by Mehlis' gland - vitellaria: vitelline glands which produce bulk of shell material and yolk of the egg - Oogenotop: "egg forming apparatus" Characteristics of phylum Platyhelminthes... Ans *Flatworms* -Simplest bil...

Complements circulate freely in blood plasma. True or False? Ans True Name the three ways complements can be activated by Ans Classical pathway, alternative pathway, and lectin pathway. The lectin pathway occurs spontaneously. True or False? Ans False; it has to do with the cell wall polysaccharides of bacteria and fungi The classical pathway refers to the antigen-antibody complex. True or False? Ans True.