Parasitology - Study guides, Class notes & Summaries

The two parasitology concentration methods are designed to concentrate parasites into small volume of fluid and remove as much fecal material as possible. Both methods are based on: A: Centrifugal force between parasites and the solution B: Specific gravity between parasites and the solution C: Laminar flow between the parasites and the solution D: Variations between Ethyl acetate and Zinc sulfate solutions - Correct Answer-B: Specific gravity between parasites and the solution What are t...

Transplacental transmission of this pathogen can lead to still births or spontaneous abortions in pregnant women and encephalitis in immune compromised individuals. - Toxoplasma gondii Causative agent of African Trypanosomiasis (Sleeping sickness) - T. brucei Which statement correctly describes parasitism: - Where one member lives in or on another organism at the expense of the host. Which of these characteristics is *NOT* correct for the protozoan parasites? - pseudopodium ...

Dysentery - Correct Answer-Severe diarrhea with blood and muscus in the stool. Indicative of inflammation of the intestines. [Entamoeba histolytica] Steatorrhea - Correct Answer-The presence of greater than normal amounts of fat in feces which are frothy, foul smelling and floating. Tenesmus - Correct Answer-Intense, constant and painful urge to defecate although the bowels are already empty. Little to no stool will actually be passed. Trophoziote - Correct Answer-Active, motile feeding...

A plant or animal that lives upon another organism for growth and survival? - Correct Answer-Parasite A relationship in which a microorganism lives on or with a host and gains benefit at the expense of the host? - Correct Answer-Parasitism A relationship in which microorganisms live on or within a host such that neither derives benefit or harm, also called colonization? - Correct Answer-Commensalism The host in which a parasite reaches sexual maturity and reproduction? - Correct Answer-...

PARASITOLOGY EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS

Zoonosis - Correct Answer-Transmission of disease from animals to humans What are the effects of parasites? (3) - Correct Answer-Transmit to humans unhealthy pets affect food production/weight gain 3 reasons why parasitology is important - Correct Answer-1. Foreign travel 2. Immigration/adoption 3. Imported food Nightsoil - Correct Answer-human feces used as manure 6 reasons why parasitic infections occur - Correct Answer-Poor... 1. public health 2. food prep 3. hygiene 4. Wa...

C 1-1 Which of the following are key discoveries that contributed to current knowledge about parasites? A. Consistent status quo preservation of samples B. Techniques that indicate only the presence or absence of parasites C. Modifications of traditional parasite identification techniques D. Decrease in parasite incidence because of global travel D. (A and C) 1-2 Which of the following people may be at risk for contracting a parasitic infection? A. A toddler who attends an all-...

NMU CLS-M: Mycology, Virology, and Parasitology Practicum Exam Already Passed A germ tube-negative yeast is isolated in the laboratory. The isolate is found to be negative for urease and unable to assimilate dextrose, maltose, or sucrose. CMT agar morphology showed blastoconidia only. The organism is most likely: Select one: a. Candida albicans b. Candia parapsilosis c. Torulopsis glabrata d. Geotrichum candidum Torulopsis glabrata One of the most critical diagnostic criteria in...

The incorrect match between organism and the appropriate diagnostic procedure is: A. Onchocerca volvulus—examination of skin snips B. Cryptosporidium—modified acid-fast stain C. Echinococcus granulosus—routine ova and parasite examination D. Schistosoma haematobium—examination of urine sediment C. Echinococcus granulosus—routine ova and parasite examination In a patient with diarrhea, occasionally Entamoeba histolytica/E. dispar (four nucleated cysts, no chromatoidal bars...