1.6.2 Protozoans (Sporozoans, Babesia)

Question 1

2 Most common isolate of Babesia spp?

Answer 1

B. microti

B. divergens

Question 2

Babesia is also known as?

Answer 2

Piroplasm

Question 3

Babesia is ________ like parasite

Answer 3

Malaria like

Question 4

Diagnostic stage of Babesia?

Answer 4

Trophozoite

Question 5

Babesia trophozoite develops AFTER the sporozoite infects the RBCs and resembles _______ form of Plasmodium infection

T or F

Answer 5

Ringlike

T

Question 6

Babesia has malaria symptoms

T or F

Answer 6

F

Question 7

Merozoites of Babesia develops inside of the?

Answer 7

RBC

Question 8

Babesia Merozoite resembles (#)______ trophozoites attached together by their respective chromatin dots in the shape of __________

Answer 8

4 , Maltese cross

Question 9

Babesia merozoite under go binary fission

T or F

Answer 9

T

Question 10

Babesia Life cycle:

Host in sexual phase?

Answer 10

Tick

Question 11

Babesia Life cycle:

Host in asexual phase

Answer 11

Mammals (Mice, Deer, cattle, dogs, human)

Question 12

Babesia Life cycle:

What type of host is human for Babesia infection?

Answer 12

Accidental host

Question 13

Tick bite on uninfected host must be in contact with the ticks’s saliva for _______ hrs or longer before this parasite can be transmitted

Answer 13

12 hrs

Question 14

Tick introduced _______ to RBC and develops in to ___________ then _________ and lastly ________

Answer 14

Sporozoites, Trophozoites, Merozoites, Gametocytes (ANIMAL HOST ONLY)

Question 15

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 ________

Answer 15

Ookinete, sporozoites (Sporogony)

Question 16

Principal reservoir for Babesia?

Answer 16

White footed mouse (Peromycus leucopus)

Ixodes ticks

Vertical transmission

Needle sharing

Question 17

Babesia spp where it is transmitted by Ixodes dammini

Answer 17

Babesia microti

Question 18

Babesia spp where it is transmitted by Ixodes ricinus

Answer 18

Babesia divergens

Question 19

Definitive host for Babesia?

Answer 19

Animals

Question 20

Texas cattle fever belongs to Babesia spp.

T or F

Answer 20

T

Question 21

Prodrome like symptoms includes fever, headache, chills, sweating for Babesia

T or F

Answer 21

T

Question 22

Babesia has periodicity (Like fluctuation)

T or F

Answer 22

F

Babesia will remain constant in the body until treated

Question 23

Babesia causes hepatosplenomegaly with mild to severe hemolytic anemia due to high in ________ and __________

Answer 23

Bilirubin (1 and 2) and Transaminases

Question 24

SOC for Babesia?

Answer 24

Giemsa stained blood films

Question 25

Wright’s stain for Babesia may also be used and will result in an accurate diagnosis

T or F

Answer 25

T

Question 26

In Babesia:

Thick blood smear: Screaning
Thin Blood smear: Speciation

T or F

Answer 26

T

This helps in differentiating Plasmodium and Babesia