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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

Hemoflagellates are typically found in stool samples

False

The symptoms of hemoflagellate infections range from minor, such as irritation at the infection site, to serious (comatose state and death)

True

The organism causing chiclero ulcer is most likely found in

South American rainforest region

Which is not an acceptable treatment for mucocutaneous leishmaniasis caused by L.braziliensis?

Amoxicillin

Which is the most commonly used diagnostic methods for the recovery of members of the L.braziliensis complex?

Identifying amastigotes in infected material

A common name for disease caused by L.donovani is

Visceral leishmaniasis, Kala-azar, and Dum dum fever

The vector responsible for the transmission of L.donovani is

Lutzomyia sandly and Phlebotomus sandly

Item that does not describe kala-azar

Is not transmitted by blood transfusion

The specimen of choice for the recovery of L.mexicana complex members is

Lesion biopsy material

Is not a reservoir host for L.mexicana complex

Snakes

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

Geographic region that cannot be found L.tropica

Brazil

The specimen of choice for the recovery of L.tropica complex members is

Fluid underneath the ulcer bed

The most common morphologic form seen in samples positive for L.tropica complex members is

Amastigote

What tests are considered diagnostic for trypanosomiasis

Giemsa-stained blood slides revealing the trypomastigote and Giemsa-stained blood slides revealing the amastigote

There are no known animal reservoir hosts for T.b.gambiense

True

The enlargement of cervical lymph nodes in reference to trypanosomal disease caused by T.b.gambiense is referred to as

Winterbottom's sign

The diagnostic stage of T.b.rhodesiense is the

Trypomastigote

Trypanosomal parasites that causes sleeping sicknesses is the more aggresive form

Trypanosoma brucei rhodesiense

What complicates the prevention and control efforts for T.b.rhodesiense?

None

The specimen of choice for the detection of T.cruzi is

Blood

The vector that first identified as responsible for transmitting T.cruzi

Panstrongylus megistus

Is not a characteristic finding in Chagas' disease

Somnolence

The diagnostic testing methods for T.rangeli are the same as those for identifying and confirming and infection with T.cruzi

True

The phrase that best describes the infection associated with T.rangeli is that it

Is considered a benign infection

Is not a prevention and control measure for T.rangeli

Removing overgrown vegetation