Zoo 4234 - Study guides, Class notes & Summaries

Digenea female reproductive system - -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... - *Flatworms* -Simplest bilaterally ...

Parasitology - Study of the most common mode of life on earth - centered on animal parasites of humans, domestic animals, and wildlife parasite - an organism that lives in or on another organism (host) and either harms the host or lives at the expense of the host Why is parasitology important? - - parasite resistance - insecticide resistance - increased mobility (popularity in tropics and subtropics - migrations of refugees from war-torn areas - military service personnel coming from abr...

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

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...

What will an ant infected by Ophiocordyceps Unilateralis do once infected? 1. Ant will fall from tree canopy 2. Climbs again and permanently attaches its mandibles to the main vein of a leaf 3. Ant beings to grow stalk with the fruiting body and spores. Ophiocordyceps unilateralis infects ants via the _______ of the fruiting body and gets in the joint of the ants where it goes to the ________ stage Spores; yeast

Which of the following will not increase the likelihood that Leucochlrodium variae is consumed by the definitive host? a) brightly colored broodsac b) snail beneath leaf litter c) pulsating broodsac d) snail on tree branches e) none of the above

Parasitology is the study of the most common mode of life on earth, which is centered on? Ans Animal Parasites Phoresis Ans "to carry" Protocooperation Ans 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? Ans a. symbiotic interaction b. mutually beneficial *c. physiologically necessary* Which of the following is not a characteristic of m...

Immunity includes a SYSTEMIC response; it is not restricted to the initial infection site. What is responsible for self vs. nonself recognition? - Major Histocompatibility complex (MHC) Which is not associated with MHC Class I proteins? A. Cytotoxic T cells (CD8) B. Endogenous antigens C. Found only on antigen presenting cells (APCs) - C. Found only on APCs

What drug was used for girl infected with Naegleria fowleri - Impavido chronic inflammation - Acute inflammation that fails to heal; occurs over longer times and is disease related