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27 Cards in this Set
- Front
- Back
This is the only hemoflagellate morphologic form that does not have an external flagellum |
Amastigote |
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Hemoflagellates are typically found in stool samples |
False |
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The symptoms of hemoflagellate infections range from minor, such as irritation at the infection site, to serious (comatose state and death) |
True |
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The organism causing chiclero ulcer is most likely found in |
South American rainforest region |
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Which is not an acceptable treatment for mucocutaneous leishmaniasis caused by L.braziliensis? |
Amoxicillin |
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Which is the most commonly used diagnostic methods for the recovery of members of the L.braziliensis complex? |
Identifying amastigotes in infected material |
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A common name for disease caused by L.donovani is |
Visceral leishmaniasis, Kala-azar, and Dum dum fever |
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The vector responsible for the transmission of L.donovani is |
Lutzomyia sandly and Phlebotomus sandly |
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Item that does not describe kala-azar |
Is not transmitted by blood transfusion |
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The specimen of choice for the recovery of L.mexicana complex members is |
Lesion biopsy material |
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Is not a reservoir host for L.mexicana complex |
Snakes |
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Best describe disease caused by the L.mexicana complex |
Can disseminate into a diffuse cutaneous form & Appears around the ears in approximately 40% of patients |
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Geographic region that cannot be found L.tropica |
Brazil |
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The specimen of choice for the recovery of L.tropica complex members is |
Fluid underneath the ulcer bed |
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The most common morphologic form seen in samples positive for L.tropica complex members is |
Amastigote |
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What tests are considered diagnostic for trypanosomiasis |
Giemsa-stained blood slides revealing the trypomastigote and Giemsa-stained blood slides revealing the amastigote |
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There are no known animal reservoir hosts for T.b.gambiense |
True |
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The enlargement of cervical lymph nodes in reference to trypanosomal disease caused by T.b.gambiense is referred to as |
Winterbottom's sign |
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The diagnostic stage of T.b.rhodesiense is the |
Trypomastigote |
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Trypanosomal parasites that causes sleeping sicknesses is the more aggresive form |
Trypanosoma brucei rhodesiense |
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What complicates the prevention and control efforts for T.b.rhodesiense? |
None |
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The specimen of choice for the detection of T.cruzi is |
Blood |
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The vector that first identified as responsible for transmitting T.cruzi |
Panstrongylus megistus |
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Is not a characteristic finding in Chagas' disease |
Somnolence |
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The diagnostic testing methods for T.rangeli are the same as those for identifying and confirming and infection with T.cruzi |
True |
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The phrase that best describes the infection associated with T.rangeli is that it |
Is considered a benign infection |
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Is not a prevention and control measure for T.rangeli |
Removing overgrown vegetation |