1.6.2 Protozoans (Sporozoans, Babesia) Flashcards
2 Most common isolate of Babesia spp?
B. microti
B. divergens
Babesia is also known as?
Piroplasm
Babesia is ________ like parasite
Malaria like
Diagnostic stage of Babesia?
Trophozoite
Babesia trophozoite develops AFTER the sporozoite infects the RBCs and resembles _______ form of Plasmodium infection
T or F
Ringlike
T
Babesia has malaria symptoms
T or F
F
Merozoites of Babesia develops inside of the?
RBC
Babesia Merozoite resembles (#)______ trophozoites attached together by their respective chromatin dots in the shape of __________
4 , Maltese cross
Babesia merozoite under go binary fission
T or F
T
Babesia Life cycle:
Host in sexual phase?
Tick
Babesia Life cycle:
Host in asexual phase
Mammals (Mice, Deer, cattle, dogs, human)
Babesia Life cycle:
What type of host is human for Babesia infection?
Accidental host
Tick bite on uninfected host must be in contact with the ticks’s saliva for _______ hrs or longer before this parasite can be transmitted
12 hrs
Tick introduced _______ to RBC and develops in to ___________ then _________ and lastly ________
Sporozoites, Trophozoites, Merozoites, Gametocytes (ANIMAL HOST ONLY)
Infected animal host
The IXODES tick bites the infected animal which receives the gametocytes and forms _______ with it, this then travels to salivary glands to produce ________
Ookinete, sporozoites (Sporogony)
Principal reservoir for Babesia?
White footed mouse (Peromycus leucopus)
Ixodes ticks
Vertical transmission
Needle sharing
Babesia spp where it is transmitted by Ixodes dammini
Babesia microti
Babesia spp where it is transmitted by Ixodes ricinus
Babesia divergens
Definitive host for Babesia?
Animals
Texas cattle fever belongs to Babesia spp.
T or F
T
Prodrome like symptoms includes fever, headache, chills, sweating for Babesia
T or F
T
Babesia has periodicity (Like fluctuation)
T or F
F
Babesia will remain constant in the body until treated
Babesia causes hepatosplenomegaly with mild to severe hemolytic anemia due to high in ________ and __________
Bilirubin (1 and 2) and Transaminases
SOC for Babesia?
Giemsa stained blood films
Wright’s stain for Babesia may also be used and will result in an accurate diagnosis
T or F
T
In Babesia:
Thick blood smear: Screaning
Thin Blood smear: Speciation
T or F
T
This helps in differentiating Plasmodium and Babesia
