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Hematology > RBC Parasites > Flashcards

RBC Parasites Flashcards

0
Q

How can you tell a cat has hemobartonella felis?

A

Coccoid, rod, or ring like structure around the edge of the RBC. Dark purple, non refractive on diff quick

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1
Q

What is hemobartonella felis or mycoplasma hemofelis?

A

Opportunistic parasite, especially immunocompromised

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2
Q

What should you check for if a cat has mycoplasma hemofelis?

A

Immunosuppression

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3
Q

What type of parasite causes hemobartonella canis?

A

Rickettsia

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4
Q

What type of parasite causes hemobartonella felis?

A

Rickettsia/mycoplasma

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5
Q

Hemobartonella canis is rare, when is it seen?

A

In splenectomy zed or immunosuppressed dogs

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6
Q

What does hemobartonella canis look like?

A

Chain if cocci or rods that stretch across the RBC surface

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7
Q

What parasite causes anaplasmosis marginal?

A

Rickettsia

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8
Q

What does anaplasmosis marginal get confused with?

A

Howell jolly bodies or precipitated stain

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9
Q

What is anaplasmosis marginal?

A

Intracellular parasite of cattle RBC

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10
Q

What will anaplasmosis marginal look like?

A

Dark staining cocci at margin of RBC

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11
Q

What parasite causes cytauxzoon felis?

A

Protozoa

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12
Q

What does cytauxzoon felis cause?

A

Hemolytic anemia in cats

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13
Q

What does cytauxzoon felis look like?

A

Small irregular ring formed withing RBC, lymphs, and macrophages

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14
Q

What parasite causes Babesia spp. ?

A

Protozoa

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15
Q

Where can babesia be found? 3

A

Cattle ( b Bigemia) horses ( b cabali) or dogs (b gibsoni)

16
Q

What does babesia spp look like?

A

Appear as large tear drop or ring shaped intracellular structures.

17
Q

What parasite causes ehrlichia spp?

A

Rickettsia

18
Q

What are two types of ehrlichia?

A

Canine and horse

19
Q

What is ehrlichia spp?

A

Intracellular parasite of monocytes and neutrophils

20
Q

Whatdoes ehrlichia look like?

A

Appears as a small cluster in the cytoplasm

21
Q

What are three symptoms of ehrlichia on the cellular level?

A

Decrease in neutrophils, platelets, and anemia

22
Q

What is ehrlichia vector?

A

Brown dog tick

23
Q

What parasite is dirofilaria immitus?

A

Nematode

24
Q

What does dirofilaria us cause?

A

Heart worm

25
Q

What is heart worms vector?

A

Mosquito

26
Q

What does animal need to have circulating micro filaria?

A

Male and female adults

27
Q

When is microfilaria most common during the day?

A

4/30 pm

28
Q

When is microfilaria least common during the day?

A

11 am

29
Q

What body shape is dirofilaria compared to diprtalonema?

A

Straight compared to curved

30
Q

Which is longer, dirofilaria or diprtalonema?

A

Dirofilaria

31
Q

Which is blunt and which is tapered, dirofilaria or diprtalonema?

A

Door=tapered and diprtalonema=blunt

32
Q

What does the Causel end of dirofilaria look like compared to diprtalonema?

A

Straight compared to curved

Hematology (15 decks)

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