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VPara Protozoology > Plasmodium > Flashcards

Plasmodium Flashcards

1
Q

febrile paroxysms occur every 72 hours

A

Quartan

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2
Q

Tertian malarial parasites

A

P. ovale, P. vivax

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3
Q

febrile paroxysms occur every 42 to 47 hours

A

tertian

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4
Q

febrile paroxysms occur daily

A

Quotidian

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5
Q

malarial parasite which febrile paroxysms occur daily

A

P. vivax

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6
Q

quartan parasites

A

P. falciparum, P. malariae

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7
Q

malignant human malarial parasite

A

P. falciparum

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8
Q

most common human malarial parasite

A

P. vivax

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9
Q

mild tertian malaria

A

P. ovale

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10
Q

Avian malaria transmitted by

A

Culine mosquito

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11
Q

Mammalian malaria transmitted by

A

anopheline mosquito

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12
Q

affected rbc of P. gallinaceum

A

90%

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13
Q

affected rbc of P. juxtanucleare

A

3-5%

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14
Q

mortality of P. gallinaceum

A

80% or more

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15
Q

mortality of P. juxtanucleare

A

20-30%

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16
Q

gametocyte of P. gallinaceum

A

big, round

17
Q

gametocyte of P. juxtanucleare

A

elongate, pyriform

18
Q

host cell distortion of P. gallinaceum

19
Q

merozoite of P. gallinaceum

20
Q

merozoite of P. juxtanucleare

21
Q

Death of malaria is attributed to?

A
  1. cerebral invasion
  2. renal failure
  3. pulmonary hemorrhage
22
Q

2 zoonotic species of simian malaria

A
  • Plasmodium knowlesi
  • Plasmodium cynomolgi
23
Q

essentially pathogenic but parasite of birds, turtles, and lizard

A

Haemoproteus/Halteridium

24
Q

Haemoproteus schizogony occurs in?

A

Vascular endothelial cells

25
Q

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

A

Haemoproteus infection

26
Q

Vectors of haemoproteus

A

culicoides, hippoboscids, chrysops spp

27
Q

Describe the macrogametocyte of haemoproteus columbae in cytoplasm stains

A

bright blue, nucleus compact, pigment granules dispered

28
Q

describe microgametocyte of Haemoproteus columbae

A

cytoplasm stains blue, nucleus diffuse,, pigments clumped

29
Q

malarial parasites of domestic and wild birds

A

leucocytozoon

30
Q

malarial parasites with no pigmented granules

A

leucocytozoon

31
Q

gametocyte of L. caulleryi

A

round, oval, elliptical

32
Q

a turkey infected with L. smithi will demonstrate a gametocytes shaped as?

A

elongate spindle

33
Q

gametocyte of L. simondi

A

spindle shape

34
Q

Schizogony occurs in hepatocytes and vascular endothelial cells of various
tissues

A

Leucocytozoon caulleryi

35
Q

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

A

Leucocytozoon caulleryi

36
Q

Mortality usually 30-35 % but may reach up to 100 %

A

Leucocytozoon infection

VPara Protozoology (12 decks)

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