Exam #2 Study Guide
Exam #2 Study Guide ACBS 403
Popular in Biology Animal Parasites
Popular in Animal Science and Zoology
This 3 page Study Guide was uploaded by meganthanson on Wednesday October 14, 2015. The Study Guide belongs to ACBS 403 at University of Arizona taught by Charles Sterling in Fall 2015. Since its upload, it has received 33 views. For similar materials see Biology Animal Parasites in Animal Science and Zoology at University of Arizona.
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Date Created: 10/14/15
Be able to de ne and give examples of Immune Tolerance Hyperparitism Granuloma Meningoencephalitis Transport Host Intermediate Host Trophozoite Cyst Neutrophils Mucin Cystein Proteases GALGALNAC Lectin Amoebapore Contact Dependent Cytotoxicity IgA Commensal Zymodeme Amoeba Amebic Colitis O39 Apicomplexa Oocystsporozoites merogonymerozoite Gamogonygametocyte Sporogony Sporocyst sporulation Selflimiting Infection Corprophagy tachyzoite bradyzoite Latent Infection infection immunitypremonition vertical transmission Horizontal transmission Rhoptries Micronemes Parasitophorous vacuole Apicoplast Autoinfection IntracellularbutExtraplasmic Nosocomial Trickle Infection Apoptosis Passive Immunity thickwalled oocyst Thinwalled oocyst intraepithelial lymphocytes Prepatent Patent Anopheles Hypnozoite Realpse Cinchona SchizontSchizogony Merozoite Hepatocytes Ihistidine LigandReceptor Reticulocyte Exoerythrocytic Erythrocytic cers Ookinete Haemocoel Duffy Exresence Hemozoin Glycophorin TrueFalse READ CAREFULLY Malaria resistance is conferred by having the sickle cell trait Oocysts of Cryptosporidium sporulate in the environment Vectors of human malaria are highly prevalent throughout the US All human malarias can relapse The zygote is the only diploid stage in all Apicomplexan life cycles Oral rehydration can cure Cryptosporidium infection Tachyzoite persistence explains Toxoplasma infection immunity Antigenic variation in malaria is expressed on the parasite39s cell surface Most antibody responses to malaria are nonprotective Anopheles is the only genus of mosquito that can transmit malaria Tritrichomonas foetus infection can be transmitted by arti cial insemination Dientomoeba fragilis is transmitted via the cyst stage Human Toxoplasma infections are primarily acquired via horizontal transmission Direct human to human transmission is common in Cyclospora outbreaks All Apicomplexa are obligate intraceuar parasites Cryptosporidium infections confer premonition Amebic invasion is facilitated by neutrophil destruction Malaria relapses are initiated by bradyzoites Histomonas can use earthworm as paratenic hosts Fill in the blanks Most cases of human toxoplasmosis involve transmission In these instances infection is most likely initiated by the stage of development This stage also represents a stage of infection in most individuals but in the immunocompromised can revert to the acute stage resulting in symptoms In immune competent individuals Toxoplasma survives early during the course of infection in cells meant to destroy them by preventing from fusing with containing viable parasites Ultimately the host responds immunologically and prevents the same host from being infected again Mothers who have never been exposed to this infection pose a risk to their developing fetuses because of transmission and should never deal with cats because they represent the host in this life cycle and can pass in their feces Essay Questions READ CAREFULLY there may be more than one part to the answer 1 Parasites such as Cryptosporidium and Entamoeba have been shown to exhibit genotype and strain variations This has led to the identi cation of new species for each For each how do these genotypestrain variations account for species variation and in uence transmission and disease potential ReceptorLigand interactions are critical for initiating most parasite infections Describe the receptorsligands and events that lead to these parasitehost cell interactions for Entamoeba histolytica Pasmodium falciparum and P vivax In addition describe in detail what happens following attachment that helps these parasites either invade tissues or host cells respectively Malaria causes more infections in humans annually than any other parasite Why is this and what are some strategies that can be used to reduce the burden of this disease What impact do immune responses have on the transmission potential of malaria and toxoplasmosis Consider all possibilities How does the oocyst of Cryptosporidium being passed through the feces 9 09w have an effect on the epidemiology of the disease How does Cryptosporidium effect apoptosis and how does this effect immunocompromised patients How are Dientomoeba fragilis and Histamonas meegridis connected Why is Naegleria so dangerous Explain using proper terminology Describe the process of amoebiasis 10When does E histoitica become invasive and what happens 11How are the two Entamoeba39s differentiated
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