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Pierce Vet Tech > Clinical Procedures - Internal and External Parasitology > Flashcards

Clinical Procedures - Internal and External Parasitology Flashcards

1
Q

Rickettsia are transmitted how?

A

Blood sucking vectors - arthropods

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2
Q

Anaplasma marginale found where?

A

As a single dot at margin of RBC

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3
Q

Ehrlichia canis found where?

A

In WBC

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4
Q

Anaplasma marginale type of parasite?

A

Rickettsia

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5
Q

Ehrlichia canis type of parasite?

A

Rickettsia

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6
Q

Giardia canis type of parasite?

A

Protozoa - intestinal

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7
Q

Coccidia type of parasite?

A

Protozoa - intestinal

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8
Q

Babesia type of parasite?

A

Protozoa - blood

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9
Q

Giardia found where?

A

Contaminated water.

Hard to find on fecal float, use direct smear with iodine or other stain

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10
Q

Coccidia found where?

A

Pet stores, puppy mills, shelters, overcrowded situations

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11
Q

Babesia cause what?

A

Hemolytic anemia

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12
Q

How to diagnose babesia?

A

Differential smear

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13
Q

How to diagnose trematodes?

A

Sedimentation not fecal float. They are heavy!

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14
Q

Trematode egg appearance?

A

Large, oval, single operculum

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15
Q

Nanophytes salmoncola causes what?

A

Salmon poisoning in dogs and cats - carries neoricketsia helmintheca

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16
Q

Fasciola hepatica is what?

A

Liver flukes found in cattle

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17
Q

Paragonimus kellicotti is what?

A

Lung flukes found in cats and dogs

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18
Q

Trematodes have what intermediate hosts?

A

Larval stage is found in snails and fish

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19
Q

Cestodes have what intermediate hosts?

A

Larval stage is found athropods, fish, and mammals

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20
Q

Dipylidium caninum is what?

A

Flea tapeworm of cats and dogs

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21
Q

Taenia pisiformis is what?

A

Rabbit/rodent tapeworm of cats and dogs

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22
Q

Examples of ascarids?

A

Toxocara Canis/Cati and Toxascaris leonina

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23
Q

How are ascarids contracted?

A

Enviromental, in utero, transmammary

24
Q

Symptoms of ascarid infection?

A

Vomiting, diarrhea, coughing, gas, distended abdomen, seizures if CNS involvement

25
Q

Ascarid infections in humans can cause?

A

Ocular Larval Migrans

Visceral Larval Migrans

26
Q

Hookworm examples?

A 
Ancylostoma caninum (dogs) 
Uncinaria stenoceohala (dogs and cats)
27
Q

How are hookworms transmitted?

A

Enviromental
Transmammary
Cutaneous larval migrans

28
Q

Symptoms of hookworm infection?

A

Listless, bloody diarrhea, anemia

29
Q

How to identify hookworms?

A

Examine within 30 minutes. Large oval eggs, bubbling granular insides

30
Q

How to identify whipworms?

A

Football shaped eggs, double operculum - sporadic egg shedder

31
Q

Symptoms of whipworms?

A

Blood and mucus in stool, frequent bowel movements

32
Q

Species of whipworms in dogs?

A

Trichuris vulpis

33
Q

Nematode found in blood?

A

Dirofilaria immitus

34
Q

Diagnosis of nematode larva is done by what?

A

Baerrmann techniques

35
Q

Examples of nematodes found by baerrmann technique?

A

Strongyloides stercoralis - thread worm in dog/cat (infected by larva)
Aelurostrongylus abstrusus - lungworm in cats.

36
Q

How to identify and treat lung worm in cats?

A

Identify with tracheal wash/mucus secretions - larvae with kink in tail
Treat with panacur and ivermectin

37
Q

Fleas are vectors for what?

A

Bubonic plague

Intermediate host for dipylidium caninum

38
Q

Fleas species name?

A

Ctenocephalides felis (dogs and cats)

39
Q

Ticks are vectors for what?

A

Variety of bacterial, viral, rickettsial, and protozoal diseases. Including rocky mountain spotted fever and Lyme Disease

40
Q

Tick life cycle includes?

A

Egg, 6 legged nymph, and 8 legged adult

41
Q

Hard dog tick family?

A

Ixodidae

42
Q

Soft dog tick family?

A

Argasidae

43
Q

Ixodidae examples?

A

Rhipicephalus sanguines - brown dog tick

Dermacentor variabilis - american dog tick

44
Q

Argasidae examples?

A

Otobius megnini - spinose ear tick (large animals)

45
Q

Sucking louse family?

A

Family anoplura

46
Q

Biting louse family?

A

Family mallophaga

47
Q

Anoplura examples?

A

Linognathus setosus - dogs
Hematospinus asini - horse
Pthirus pubis - crabs louse

48
Q

Mallophaga examples?

A

Trichodectes canis - dogs
Felicola subrostrata - cats
Daemilinea caprae - goats

49
Q

Cuterebra Flies infect what species?

A

Rabbits and cat most commonly. Dogs occasionally.

50
Q

Trombicula mites are known as?

A

Chiggers - only larva are parasitic

51
Q

Cheyletiella sp. are known as?

A

Walking dandruff mite - causes scaling and crusting

52
Q

Family demodex life cycle?

A

Egg, 6 legged larva, 8 legged nymph, adult

53
Q

Clinical signs of demodicosis?

A

Patchy or diffuse demodicosis with secondary bacterial infections

54
Q

Family sarcoptidae includes what species?

A

Sarcoptes scabiei canis and Notoedres cati

55
Q

Clinical signs of sarcoptic mange?

A

Scaling, crusting, self-trauma,

ears, lateral elbows, ventral abdomen harbors mites

56
Q

Family psoroptidae includes what species?

A

Psoroptes sp.
Chorioptes sp.
Otodectes sp.

57
Q

Otodectes cynotis clinical signs

A

Otitis externa
Irritation
Dark, dry crusting

Pierce Vet Tech (9 decks)

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