Clinical Procedures - Internal and External Parasitology

Question 1

Rickettsia are transmitted how?

Answer 1

Blood sucking vectors - arthropods

Question 2

Anaplasma marginale found where?

Answer 2

As a single dot at margin of RBC

Question 3

Ehrlichia canis found where?

Answer 3

In WBC

Question 4

Anaplasma marginale type of parasite?

Answer 4

Rickettsia

Question 5

Ehrlichia canis type of parasite?

Answer 5

Rickettsia

Question 6

Giardia canis type of parasite?

Answer 6

Protozoa - intestinal

Question 7

Coccidia type of parasite?

Answer 7

Protozoa - intestinal

Question 8

Babesia type of parasite?

Answer 8

Protozoa - blood

Question 9

Giardia found where?

Answer 9

Contaminated water.

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

Question 10

Coccidia found where?

Answer 10

Pet stores, puppy mills, shelters, overcrowded situations

Question 11

Babesia cause what?

Answer 11

Hemolytic anemia

Question 12

How to diagnose babesia?

Answer 12

Differential smear

Question 13

How to diagnose trematodes?

Answer 13

Sedimentation not fecal float. They are heavy!

Question 14

Trematode egg appearance?

Answer 14

Large, oval, single operculum

Question 15

Nanophytes salmoncola causes what?

Answer 15

Salmon poisoning in dogs and cats - carries neoricketsia helmintheca

Question 16

Fasciola hepatica is what?

Answer 16

Liver flukes found in cattle

Question 17

Paragonimus kellicotti is what?

Answer 17

Lung flukes found in cats and dogs

Question 18

Trematodes have what intermediate hosts?

Answer 18

Larval stage is found in snails and fish

Question 19

Cestodes have what intermediate hosts?

Answer 19

Larval stage is found athropods, fish, and mammals

Question 20

Dipylidium caninum is what?

Answer 20

Flea tapeworm of cats and dogs

Question 21

Taenia pisiformis is what?

Answer 21

Rabbit/rodent tapeworm of cats and dogs

Question 22

Examples of ascarids?

Answer 22

Toxocara Canis/Cati and Toxascaris leonina

Question 23

How are ascarids contracted?

Answer 23

Enviromental, in utero, transmammary

Question 24

Symptoms of ascarid infection?

Answer 24

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

Question 25

Ascarid infections in humans can cause?

Answer 25

Ocular Larval Migrans | Visceral Larval Migrans

Question 26

Hookworm examples?

Answer 26

``` Ancylostoma caninum (dogs) Uncinaria stenoceohala (dogs and cats) ```

Question 27

How are hookworms transmitted?

Answer 27

Enviromental Transmammary Cutaneous larval migrans

Question 28

Symptoms of hookworm infection?

Answer 28

Listless, bloody diarrhea, anemia

Question 29

How to identify hookworms?

Answer 29

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

Question 30

How to identify whipworms?

Answer 30

Football shaped eggs, double operculum - sporadic egg shedder

Question 31

Symptoms of whipworms?

Answer 31

Blood and mucus in stool, frequent bowel movements

Question 32

Species of whipworms in dogs?

Answer 32

Trichuris vulpis

Question 33

Nematode found in blood?

Answer 33

Dirofilaria immitus

Question 34

Diagnosis of nematode larva is done by what?

Answer 34

Baerrmann techniques

Question 35

Examples of nematodes found by baerrmann technique?

Answer 35

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

Question 36

How to identify and treat lung worm in cats?

Answer 36

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

Question 37

Fleas are vectors for what?

Answer 37

Bubonic plague | Intermediate host for dipylidium caninum

Question 38

Fleas species name?

Answer 38

Ctenocephalides felis (dogs and cats)

Question 39

Ticks are vectors for what?

Answer 39

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

Question 40

Tick life cycle includes?

Answer 40

Egg, 6 legged nymph, and 8 legged adult

Question 41

Hard dog tick family?

Answer 41

Ixodidae

Question 42

Soft dog tick family?

Answer 42

Argasidae

Question 43

Ixodidae examples?

Answer 43

Rhipicephalus sanguines - brown dog tick | Dermacentor variabilis - american dog tick

Question 44

Argasidae examples?

Answer 44

Otobius megnini - spinose ear tick (large animals)

Question 45

Sucking louse family?

Answer 45

Family anoplura

Question 46

Biting louse family?

Answer 46

Family mallophaga

Question 47

Anoplura examples?

Answer 47

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

Question 48

Mallophaga examples?

Answer 48

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

Question 49

Cuterebra Flies infect what species?

Answer 49

Rabbits and cat most commonly. Dogs occasionally.

Question 50

Trombicula mites are known as?

Answer 50

Chiggers - only larva are parasitic

Question 51

Cheyletiella sp. are known as?

Answer 51

Walking dandruff mite - causes scaling and crusting

Question 52

Family demodex life cycle?

Answer 52

Egg, 6 legged larva, 8 legged nymph, adult

Question 53

Clinical signs of demodicosis?

Answer 53

Patchy or diffuse demodicosis with secondary bacterial infections

Question 54

Family sarcoptidae includes what species?

Answer 54

Sarcoptes scabiei canis and Notoedres cati

Question 55

Clinical signs of sarcoptic mange?

Answer 55

Scaling, crusting, self-trauma, | ears, lateral elbows, ventral abdomen harbors mites

Question 56

Family psoroptidae includes what species?

Answer 56

Psoroptes sp. Chorioptes sp. Otodectes sp.

Question 57

Otodectes cynotis clinical signs

Answer 57

Otitis externa Irritation Dark, dry crusting