Plasmodium

Question 1

Give the three organisms that cause Malaria

Answer 1

Plasmodium
Haemoproteus
Leucocytozoon

Question 2

Malignant human malarial parasite

Answer 2

Plasmodium falciparum

Question 3

Most common human malarial parasite

Answer 3

Plasmodium vivax

Question 4

The mild tertian malaria

Answer 4

Plasmodium ovale

Question 5

Avian malaria is transmitted by?

Answer 5

Culicine mosquito

Question 6

Mammalian malaria is transmitted by?

Answer 6

Anopheline mosquito

Question 7

How many percent of RBC are affected by Plasmodium gallinaceum?

Answer 7

90%

Question 8

How many percent of RBC are affected by Plasmodium juxtanucleare?

Answer 8

3-5%

Question 9

The mortality rate of Plasmodium gallinaceum

Answer 9

80% or more

Question 10

The mortality rate of Plasmodium juxtanucleare

Answer 10

20-30%

Question 11

Describe the shape of gametocyte of Plasmodium gallinaceum

Answer 11

Big and round

Question 12

Describe the shape of gametocyte of P. juxtanucleare

Answer 12

Elongate and pyriform

Question 13

Host cell distortion of P. gallinaceum

Answer 13

present

Question 14

Merozoite of P. gallinaceum

Answer 14

6-30

Question 15

Merozoite of P. juxtanucleare

Answer 15

3-7

Question 16

Death of malaria is attributed to?

Answer 16

1. cerebral invasion
2. renal failure
3. pulmonary hemorrhage

Question 17

2 zoonotic species of simian malaria

Answer 17

• Plasmodium knowlesi
• Plasmodium cynomolgi

Question 18

Essentially nonpathogenic parasite of birds, turtles, and lizard

Answer 18

Haemoproteus/Halteridium

Question 19

Haemoproteus schizogony occurs in?

Answer 19

Vascular endothelial cells

Question 20

Appears as elongate or horse-shoe shaped embracing the host nucleus of RBC

Answer 20

Haemoproteus spp

Question 21

Name 3 vectors of Haemoproteus spp

Answer 21

Culicoides
Hippoboscids
Chrysops spp

Question 22

Describe the macrogametocyte of haemoproteus columbae in cytoplasm stains

Answer 22

Bright blue
Nucleus compact,
Dispersed pigment granules

Question 23

Describe microgametocyte of Haemoproteus columbae

Answer 23

Cytoplasm stains faintly
Nucleus diffuse
Pigments clumped

Question 24

The malarial parasites of domestic and wild birds

Answer 24

Leucocytozoon

Question 25

Which of the three malarial parasites have no pigmented granules?

Answer 25

Leucocytozoon

Question 26

Describe the gametocyte of Leucocytozoon caulleryi

Answer 26

round, oval, elliptical

Question 27

A turkey infected with Leucocytozoon smithi will demonstrate a gametocytes shaped as?

Answer 27

Elongate spindle

Question 28

Describe the gametocyte of Leucocytozoon simondi

Answer 28

Spindle shaped

Question 29

Schizogony occurs in hepatocytes and vascular endothelial cells of various tissues

Answer 29

Leucocytozoon caulleryi

Question 30

Merozoites invade erythroblasts, erythrocytes, lymphocytes, and monocytes where gametocytes develop

Answer 30

Leucocytozoon caulleryi

Question 31

What is the defining characteristic of quotidian malaria?

Answer 31

Febrile paroxysms occur daily

Question 32

Which Plasmodium species cause of quotidian malaria?

Answer 32

Plasmodium vivax

Question 33

In tertian malaria, how often do febrile paroxysms occur?

Answer 33

Every 42 to 47 hours

Question 34

Which Plasmodium species are listed as causes of tertian malaria?

Answer 34

Plasmodium ovale Plasmodium vivax

Question 35

What is the interval between febrile paroxysms in quartan malaria?

Answer 35

Every 72 hours

Question 36

Which Plasmodium species are associated with quartan malaria?

Answer 36

Plasmodium falciparum Plasmodium malariae

Question 37

Host of Leucocytozoon simondi

Answer 37

Ducks and Geese

Question 38

Vectors of L. smithi and L. simondi

Answer 38

Simulium spp

Question 39

Vector of Leucocytozoon caulleryi

Answer 39

Chickens