BABESIA SPP.

Question 1

phylum of Babesia spp.

Answer 1

Apicomplexa

Question 2

Order of Babesia spp.

Answer 2

Piroplasmida

Question 3

morphology of babesia spp.

Answer 3

pleomorphic

Question 4

True or False. Babesia spp. vary in size and shape

Answer 4

True

Question 5

what stage is present to both babesia and plasmodium

Answer 5

trophozoite forms

Question 6

True or False. There is hemozoin in babesia spp.

Answer 6

False

There is no presence of hemozoin in Babesia spp.

Question 7

Is there a presence of pre-erythrocytic stage in Babesia spp.

Answer 7

No

Question 8

who discovered Babesia spp.

Answer 8

Victor Babes

Question 9

on what yeat was babesia discovered

Answer 9

1888

Question 9

old name of Babesia

Answer 9

Haematococcus bovis

Question 10

these two individuals associated Babesia spp. as a zoonotic parasite

Answer 10

Theobald Smith and Fred Kilborne (1893)

Question 11

Babesia spp. is counted as a zoonotic parasite. thus, they invade who?

Answer 11

wild and domestic animals

Question 11

Who serves as an accidental host

Answer 11

Man

Question 12

these have no primary involvement in the life cycle or transmission of Babesia spp

Answer 12

Man

Question 12

State the two clinical isolates of Babesia

Answer 12

Babesia microti
Babesia divergens

Question 13

due to microti’s ribosomal RNA, it fits more into what genus

Answer 13

Theileria

Question 14

Diagnostic feature of Babesiosis is

Answer 14

trophozoite stage

Question 15

shape of Babesia spp trophoziotes

Answer 15

Round oval pear-shaped

Question 16

true or false. microti and divergens have the same morphological forms

Answer 16

True

Question 17

number of merozoites in Babesia

Answer 17

2-4 merozoites

Question 18

this is another term for resembling four trophozoites attached by chromatin dots

Answer 18

“Maltese cross” appearance

Question 19

Babesia definitive host

Answer 19

Vector (tick)

Question 20

size of babesia trophozoites

Answer 20

2-4 um

Question 21

where do merozoites develop?

Answer 21

within the RBC (as trophozoite matures)

Question 22

this type of reproduction takes place WITHIN its vector

Answer 22

sexual reproduction (sporogony)

Question 23

this type of reproduction takes place WITHIN its host

Answer 23

Asexual reproduction (merogony)

Question 24

Ixodes dammini is commonly known as

Answer 24

Ixodes scapularis

Question 25

Primary intermediate host

Answer 25

Peromyscus leucopus

Question 26

MOT of babesia spp

Answer 26

Bite of infected Ixodes ticks

Question 27

this is the process of spore and sporozoite production via sexual reproduction

Answer 27

sporogony

Question 27

How many hours must the uninfected host be in contact with the tick's saliva for it to be transmitted to the intermediate/accidental host

Answer 27

at least 12 hours

Question 28

Person infected with Babesia is likely bitten by an infected tick for how many weeks (give the range) before they started showing symptoms

Answer 28

1-4 weeks

Question 29

More severe clinical symptoms of Babesiosis

Answer 29

Hepatosplenomegaly Hemolytic anemia Thrombocytopenia

Question 30

Laboratory Diagnosis of Babesiosis

Answer 30

Microscopy Thick and Think Blood Smear Indirect Immunofluorescent Antibody Immunoblot Polymerase Chain Reaction (PCR)

Question 30

state babesia's prodromal symptoms

Answer 30

fever myalgias headache fatigue chills weakness sweating arthralgias

Question 31

This lab diagnosis is used to differentiate between microti and divergens

Answer 31

Polymerase Chain Reaction (PCR)

Question 32

State the Factors considered in choosing therapy

Answer 32

Patient's age Immune Status Glucose-6-phosphate dehydrogenase deficiency clinical symptoms

Question 33

this combination of drugs is used for severe cases

Answer 33

Clindamycin & Quinine

Question 34

this combination of drugs is used for mild to moderate cases

Answer 34

Atovaquone & Azithromycin

Question 35

State the drugs used for animals

Answer 35

Diminazene aceturate pentamidine Pyrimethamine