Blood and Tissue Flagellates: Leishmania spp. Quiz

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Questions and Answers

Match the Leishmania species with their primary transmission vector:

L.donovani, L.infantum, L.tropica, L.major, L.aethiopica = Phlebotomus sandflies L.mexicana, L.braziliensis = Lutzomyia and Psychodopygus sandflies

Match the stage of Leishmania with its morphology:

Amastigote = Spherical or subspherical Promastigote = Pyriform or spindle shape with flagellum

Match the natural reservoir hosts with Leishmania:

Humans, dogs, wild rodents = Natural reservoir hosts

Match the location in the sandfly with the transformation of amastigotes to promastigotes:

Stomach of the sandfly = Transformation of amastigotes to promastigotes Signup and view all the answers

Match the following symptoms with the type of leishmaniasis:

Enlargement of spleen, liver, and lymph nodes = Visceral leishmaniasis Widespread skin lesions resembling leprosy = Diffuse cutaneous leishmaniasis Raised, red lesion at the bite site = Cutaneous leishmaniasis Measle-like skin lesions on the face = Post kala-azar dermal leishmaniasis Signup and view all the answers

Match the following diagnostic methods with the corresponding test:

Microscopic analysis using Wright or Giemsa stain = Skin scraping Needle aspiration of tissue fluid = Culture in specific media Blood film stained with Leishman or Giemsa stain = Parasitological diagnosis Serological testing = Immunological tests Signup and view all the answers

Match the following terms with their corresponding definitions:

Amastigotes = Replicate in macrophage cells Protozoans = Daughter cells that migrate to fresh cells or bloodstream Reticuloendothelial cells = Habitat of Leishmania parasites Viscerotropic = Initial stage of visceral leishmaniasis Signup and view all the answers

Match the following types of leishmaniasis with their characteristics:

Visceral leishmaniasis = Causes damage primarily to the nose and mouth Cutaneous leishmaniasis = A raised, red lesion develops at the site of the bite Mucocutaneous leishmaniasis (espundia) = Both skin and mucosal ulcers occur New world leishmaniasis = Caused by L.braziliensis and L.mexicana Signup and view all the answers

Match the following treatments with the type of leishmaniasis they are used for:

Liposomal amphotericin B = Visceral disease Paromomycin, fluconazole, or pentamidine = Cutaneous disease A combination of pentavalent antimonials and paromomycin = Visceral disease Miltefosine = Visceral disease Signup and view all the answers

Match the following prevention methods with their description:

Sleeping under nets treated with insecticide = Partly prevents leishmaniasis Spraying insecticides to kill sandflies = Partly prevents leishmaniasis Treating people with the disease early = To prevent further spread Reservoir control programs = Partly prevents leishmaniasis Signup and view all the answers

Match the following diagnostic methods with the type of leishmaniasis they are used for:

Demonstration of amastigote form of L.donovani by a microscope = PKDL Leishman-stained smear prepared from biopsy material obtained from nodular lesions = PKDL Raised, red lesion developing at the site of the bite = Cutaneous leishmaniasis Destructive mucocutaneous lesions appearing elsewhere = Mucocutaneous leishmaniasis Signup and view all the answers