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Parasitology Lab
Quiz 1
43
Biology
Undergraduate 4
02/17/2016

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Term
Vector of Trypanosoma brucei
Definition
Tetse fly
Term
How is Trypanosoma brucei transmitted to humans?
Definition
In the the saliva of a tetse fly bite
Term
Parasite that causes nagana in domestic livestock
Definition
Trypanosoma brucei brucei
Term
Parasite that causes CHRONIC sleeping sickness
Definition
Trypanosoma brucei gambiense
Term
Parasite that causes ACUTE sleeping sickness
Definition
Trypanosoma brucei rhodensiense
Term
Location of Trypanosoma brucei rhodensiense
Definition
East Africa
Term
Location of Trypanosoma brucei gambiense
Definition
West Africa
Term
At what life history stage are trypanosoma brucei parasites when they are contracted by a human?
Definition
Metacyclic trypomastigotes
Term
How does Trypanosoma brucei replicate?
Definition
Binary fission in human body fluids and sexual reproduction in the fly midgut
Term
Symptoms associated with Trypanosoma brucei
Definition
Infection, chancre, fever, headache, enlarged lymph nodes, malaise and ultimately CNS invasion resulting in mental deterioration and death
Term
Life expectancy of individual diagnosed with CHRONIC sleeping sickness?
Definition
3 Years
Term
Life expectancy of an individual diagnosed with ACUTE sleeping sickness?
Definition
Months
Term
Trypanosoma brucei causes what sickness in humans?
Definition
Sleeping sickness
Term
Trypanosoma cruzi causes what sickness in humans?
Definition
Chagas Disease
Term
Vector for Trypanosoma cruzi?
Definition
Kissing (triatomine) bugs
Term
How is Trypanosoma cruzi transmitted to humans?
Definition
Kissing bug takes blood meal and defecates metacyclic trypomastigotes into wound
Term
Morphological differences between Trypanosoma brucei and T. cruzi?
Definition
None
Term
Where can Trypansoma brucei be found in an infected human?
Definition
Bloodstream then body fluids then CNS
Term
Location of Trypanosoma cruzi?
Definition
Central and South America
Term
Where can Trypanosoma cruzi be found in an infected human?
Definition
Various tissues and bloodstream
Term
How does Trypanosoma cruzi reproduce?
Definition
Binary fission in human tissues and sexual reproduction in kissing bug midgut
Term
Symptoms caused by Trypanosoma cruzi infection?
Definition
OFTEN ABSENT - fever, swollen lymph nodes, headaches and local swelling. Potentially enlarged organs and ultimately heart failure
Term
Where can Leishmania parasites be found?
Definition
Mid South America and the Middle East (sandy areas)
Term
Vector of Leishmania
Definition
Sandfly
Term
Disease caused by Leishmania donovani?
Definition
Leishmaniasis (Kala-azar)
Term
How are humans infected with Leishmania?
Definition
Sand fly takes blood meal and injects parasites with proboscis
Term
Where can Leishmania donovani be found in an infected human?
Definition
Spleen, bone marrow, liver and monocytes
Term
Disease caused by Leishmania tropica?
Definition
Cutaneous Leishmaniasis
Term
Disease caused by Leishmania braziliensis
Definition
Mucocutaneous Leishmaniasis
Term
General disease caused by Leishmania
Definition
Leishmaniasis
Term
Disease caused by Trypanosoma congolense?
Definition
Bovine trypanosomiasis
Term
Size of Leishmania?
Definition
2-4 Mm
Term
Where can Leishmania tropica be found in an infected human?
Definition
Dermal sores
Term
Where can Leishmania braziliensis be found in an infected human?
Definition
Dermal sores
Term
Size of Trypanosoma brucei
Definition
15-30 Mm
Term
Morphological characteristics of T. cruzi
Definition
C or U-shaped, 20 Mm
Term
What does Giardia muris infect?
Definition
Small mammals
Term
Unique morphological characteristics of giardia
Definition
Lack mitochondria and peroxisomes
Term
How are humans infected with Giardia?
Definition
Ingesting food/water infected with cysts
Term
Spironucleus meleagradis causes...
Definition
Avian disease
Term
An infection of tritrichomonas foetus results in...
Definition
Spontaneous abortions in cattle
Term
Histomonas meleagridis causes...
Definition
Blackhead in turkeys
Term
Dientamoeba fragilis causes...
Definition
Minor stomach upset
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