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Parisitology > Parasitology Lab Midterm > Flashcards

Parasitology Lab Midterm Flashcards

1
Q

Host: Canine and Feline

Size: 16 mm long 8 mm wide

A
  1. Paragonimus kellicotti
  2. Lung fluke
  3. Canine and Feline
  4. crayfish
  5. Lungs
  6. Fecal float
  7. Yes; ingestion of intermediate host
  8. Leaf-shaped body, oral and ventral sucker, no anus
  9. none; coughing, dyspnea, pneumothorax
  10. Tetracyclines
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2
Q

Host: Canine, Feline, Human

Size: 50 cm

A
  1. Dipylidium caninum
  2. Tapeworm
  3. Canine, Feline, Human
  4. Flea
  5. Lumen in small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion if intermediate host
  8. Cucumber-seed shape; bilateral genital spore; Scolex with 4 Acetabula; Rostellum with rose-thorn like hooks
  9. None
  10. Droncit
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3
Q

Host: Feline

Size: 2-8 mm

A
  1. Echinococcus multilocularis
  2. Hyatid Cyst Tapeworm
  3. Feline
  4. Rodent
  5. Lumen in small intestine
  6. Fecal float; Tapeworm crush
  7. Yes; ingestion of intermediate host
  8. 4-5 oblong segments; very pronounced Acetabula looks like eyes
  9. None
  10. Droncit
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4
Q

Host: Canine and Feline

Size: 75-118 um

A
  1. Paragonimus kellicotti
  2. Lung fluke
  3. Canine and Feline
  4. crayfish
  5. Lung
  6. Fecal float
  7. Yes; ingestion of intermediate host
  8. Operculum with shoulders, shell is thicker opposite to operculum
  9. None, coughing, dyspnea, pneumothorax
  10. Tetracycline
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5
Q

Host: Canine and Feline

Size: 80 um

A
  1. Uncinaria stenocephala
  2. Hookworm
  3. Canine and Feline
  4. None
  5. Small intestine
  6. Fecal Float
  7. No
  8. Morula; identical to Ancylostoma only bigger
  9. coughing, diarrhea, vomiting, constipation, dark tarry stool, asymptomatic
  10. ivermectin
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6
Q

Host: Feline

Size: 10-20 mm

A
  1. Anyclostoma tubaeforme
  2. Hookworm
  3. Feline
  4. None
  5. Small intestine
  6. Fecal Float
  7. Yes; ingestion of eggs or cutaneous larval migration
  8. 3 pairs ventral teeth; anterior end bent slightly
  9. coughing, vomiting, diarrhea, constipation, dark tarry stool, asymptomatic
  10. Ivermectin
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7
Q

Host: Feline

Size: 65 um

A
  1. Ancylostoma tubaeforme
  2. Hookworm
  3. Feline
  4. None
  5. Small intestine
  6. Fecal Float
  7. Yes; ingestion of eggs or cutaneous larval migration
  8. Oval in shape; colourless; morula inside
  9. coughing, vomiting, diarrhea, constipation, dark tarry stool, asymptomatic
  10. Ivermectin
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8
Q

Host: Fish-Eating Mammals

Size: 2-12 cm

A
  1. Diphyllobothrium latum
  2. Broadfish Tapeworm
  3. Fish-Eating Mammals
  4. Fish
  5. Lumen in small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion of intermediate host
  8. Brown dot in center of each segment (uterus); Scolex has no suckers but Bothria (slit-like grooves)
  9. None
  10. Droncit
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9
Q

Host: Canine

Size: 10-100 cm

A
  1. Taenia pisiformis or Taenia serialis
  2. Tapeworm
  3. Canine
  4. Rabbit
  5. Lumen in small intestine
  6. Fecal Float, Tapeworm Crush
  7. No; but we can be Intermediate Host
  8. Regular segments; single lateral genital pore on alternating sides; scolex with 4 Acetabula, Rostellum with 2 rows of hooks
  9. None
  10. Droncit
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10
Q

Host: Canine

Size: 45-75 mm

A
  1. Trichuris vulpis
  2. Whipworm
  3. Canine (rarely cats)
  4. None
  5. Cecum and Large intestine
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Whip-shaped
  9. none, severe diarrhea, dehydration, bloody/mucosal stool, anemia
  10. Panacur
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11
Q

Host: Fish-Eating Mammals

Size: 2-12 cm

A
  1. Diphyllobothrium latum
  2. Broadfish Tapeworm
  3. Fish-Eating Mammals
  4. Fish
  5. Lumen in small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion of intermediate host
  8. Brown dot in center of each segment (uterus); Scolex has no suckers but Bothria (slit-like grooves)
  9. None
  10. Droncit
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12
Q

Host: Canine

Size: 40 um

A
  1. Taenia pisiformis or Taenia serialis
  2. Tapeworm
  3. Canine
  4. Rabbit
  5. Lumen in small intestine
  6. Fecal Float, Tapeworm Crush
  7. No; but we can be intermediate host
  8. Contains 6 hooks
  9. None
  10. Droncit
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13
Q

Host: Canine

Size:2-8 mm

A
  1. Echinococcus granulosus
  2. Tapeworm
  3. Canine
  4. Moose
  5. Lumen in small intestine
  6. Fecal Float, Tapeworm Crush
  7. Yes; ingestion of intermediate host
  8. 4-5 oblong segments, very pronounced Acetabula (looks like eyes)
  9. None
  10. Droncit
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14
Q

Host: Canine and Feline

Size: 2-8 mm

A
  1. Echinococcus multilocularis
  2. Tapeworm
  3. Canine/Feline
  4. Rodent
  5. Lumen in Small Intestine
  6. Fecal Float, Tapeworm Crush
  7. Yes; ingestion of Intermediate Host
  8. Eggs are identical to Taenia; Adults have 4-5 oblong segments; Very pronounced Acetabula (looks like eyes)
  9. None
  10. Droncit
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15
Q

Host: Canine

Size: 70-89 um

A
  1. Trichuris vulpis
  2. Whipworm
  3. Canine (rarely cats)
  4. None
  5. Cecum and Large intestine
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Perfectly smooth, like glass; symmetrical bipolar plugs
  9. none, severe diarrhea, dehydration, bloody/mucosal stool, anemia
  10. Panacur
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16
Q

Host: Canine, Feline, Human

Size: 40 um each, 125 um in capsule

A
  1. Dipylidium caninum
  2. Tapeworm
  3. Canine, Feline, Human
  4. Flea
  5. Lumen in small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion of intermediate host
  8. Very distinct egg packet containing up to 28 eggs; contains hooks
  9. None
  10. Droncit
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17
Q

Host: Canine and Feline

Size: 2-6 mm

A
  1. Alaria spp
  2. Intestinal fluke
  3. Canine and Feline
  4. frog
  5. Intestine
  6. Fecal float
  7. Yes; ingestion of intermediate host
  8. Leaf-like, flat; oral and ventral sucker; no anus
  9. none
  10. Tetracycline
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18
Q

Host: Canine and Feline

Size: 98-134 um

A
  1. Alaria spp
  2. Intestinal fluke
  3. Canine and Feline
  4. frog
  5. Intestine
  6. Fecal float
  7. Yes; ingestion of intermediate host
  8. Hermaphroditic; swirls and circles inside eggs; golden brown colour
  9. None
  10. Tetracyclines
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19
Q

Host: Feline

Size: 70 um

A
  1. Toxocara cati
  2. Roundworm
  3. Feline
  4. None
  5. Lungs, heart, liver, kidney, CNS
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Eggs have deeply pigmented cytoplasm
  9. Vomiting, coughing, lethargy, none
  10. Moxidextin
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20
Q

Host: Canine

Size: 10-18 cm

A
  1. Toxocara canis
  2. Roundworm
  3. Canine
  4. None
  5. Lungs, heart, liver, kidney, CNS
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Striated cervical alae (arrowhead)
  9. none, vomiting, coughing, lethargy
  10. Moxidextin
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21
Q

Host: Feline and Canine

Size: 90 um

A
  1. Toxascaris leonina
  2. Roundworm
  3. Feline and Canine
  4. None
  5. Lungs, liver, kidney, heart, CNS
  6. Fecal Float
  7. No
  8. Colourless, transparent cytoplasm
  9. vomiting, coughing, lethargy, none
  10. Moxidextin
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22
Q

Host: Feline

Size: 40 um

A
  1. Taenia taeniaeformis
  2. Taenia
  3. Feline
  4. Rodent
  5. Lumen in small intestine
  6. Fecal Float, Tapeworm Crush
  7. No, but we can be intermediate host
  8. Contains 6 hooks
  9. None
  10. Droncit
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23
Q

Host: Canine

Size: 90 um

A
  1. Toxocara canis
  2. Roundworm
  3. Canine
  4. None
  5. Lungs, heart, liver, kidney, central nervous system
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Eggs have deeply pigmented cytoplasm
  9. Vomiting, coughing, lethargy, none
  10. Moxidectin
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24
Q

Host: Fish-Eating Mammals

Size: 70 um

A
  1. Diphyllobothrium latum
  2. Broadfish Tapeworm
  3. Fish-Eating Mammals
  4. Fish
  5. Lumen in small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion of intermediate host
  8. faint operculum, small and pale yellow
  9. None
  10. Droncit
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25
Q

Host: Canine

Size: 40 um

A
  1. Echinococcus granulosus
  2. Hyatid Cyst Tapeworm
  3. Canine
  4. Moose
  5. Lumen in small intestine
  6. Fecal Float; Tapeworm crush
  7. Yes; via ingestion of intermediate host
  8. Eggs are identical to Taenia
  9. None
  10. Droncit
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26
Q

Host: Canine

Size: 65 um

A
  1. Ancylostoma caninum
  2. Hookworm
  3. Canine
  4. None
  5. Small intestine
  6. Fecal Float
  7. Yes; ingestion of eggs or cutaneous larval migration
  8. Oval in shape; colourless; morula (8-16 bunches inside)
  9. coughing, vomiting, diarrhea, constipation, dark tarry stool, or asymptomatic
  10. Ivermectin
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27
Q

Host: Canine and Feline

Size: 55-60 um

A
  1. Capillaria spp
  2. None
  3. Canine and Feline
  4. None
  5. (Depending on species) Liver, bladder, trachea & bronchi
  6. Fecal Float
  7. No
  8. Usually has asymmetrical bipolar plugs, striations in shell
  9. usually none, cirrhosis, slight cough
  10. Ivermectin
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28
Q

Host: Canine

Size: 10-20 mm

A
  1. Ancylostoma caninum
  2. Hookworm
  3. Canine
  4. None
  5. Small intestine
  6. Fecal Float
  7. Yes; ingestion of egg or cutaneous larval migration
  8. 3 pairs ventral teeth, anterior end bent slightly
  9. coughing, vomiting, diarrhea, constipation, dark tarry stool, asymptomatic
  10. Ivermectin
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29
Q

Host: Feline

Size: 40 um

A
  1. Echinococcus multilocularis
  2. Hyatid Cyst Tapeworm
  3. Feline
  4. Rodent
  5. Lumen of small intestine
  6. Fecal float; tapeworm crush
  7. Yes; ingestion of intermediate host
  8. Eggs are identical to Taenia; contains 6 hooks
  9. None
  10. Droncit
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30
Q

Host: Canine and Feline

Size: 2-10 cm

A
  1. Toxascaris leonina
  2. Roundworm
  3. Canine and Feline
  4. None
  5. Lungs, heart, liver, kidney, CNS
  6. Fecal Float
  7. No
  8. Long, narrow cervical alae (arrowhead)
  9. lethargy, none, vomiting, coughing
  10. Moxidextin
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31
Q

Host: Canine & Mink

Size: 71-84 um

A
  1. Dioctophyma renale
  2. Giant Kidney Worm
  3. Canine and Mink
  4. Fish
  5. Usually right kidney, sometimes left
  6. Urinalysis, Ultrasound, Surgery
  7. Yes; ingestion of intermediate host
  8. Very distinct lumpy shell, no cytoplasm, bipolar plugs
  9. Vague abdominal pain
  10. Surgical removal
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32
Q

Host: Canine and Mink

Size: 1-3 feet

A
  1. Dioctophyma renale
  2. Giant Kidney Worm
  3. Canine and Mink
  4. Fish
  5. Usually right kidney, sometimes left
  6. Urinalysis, Ultrasound, Surgery
  7. Yes; ingestion of intermediate host
  8. Huge, thick as a cigar, snake-like
  9. Vague abdominal pain
  10. Surgical removal
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33
Q

Host: Feline

Size: 6-12 cm

A
  1. Toxocara cati
  2. Roundworm
  3. Feline
  4. None
  5. Liver, lungs, heart, CNS, kidney
  6. Fecal Float
  7. Yes; ingestion of eggs
  8. Pronounced cervical alae (arrowhead)
  9. vomiting, lethargy, diarrhea, none
  10. Moxidextin
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34
Q

Host: Feline

Size: 10-100 cm

A
  1. Taenia taeniaeformis
  2. Taenia
  3. Feline
  4. Rodents
  5. Lumen in small intestine
  6. Fecal Float, Tapeworm Crush
  7. No but we can be intermediate host
  8. Regular segments; single lateral genital pore on alternating sides; scolex with 4 acetabula and rostellum with 2 rows of hooks
  9. None
  10. Droncit
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35
Q

Host: Canine and Feline

Size: 10-20 mm

A
  1. Uncinaria stenocephala
  2. Hookworm
  3. Canine and Feline
  4. None
  5. Small intestine
  6. Fecal Float
  7. No
  8. Plates instead of teeth, buccal cavity
  9. coughing, vomiting, diarrhea, constipation, dark tarry stool, asymptomatic
  10. Ivermectin
36
Q

Host: Canine and Feline

Size: 75-118 um

A
  1. Paragonimus kellicotti
  2. Lung Fluke
  3. Canine and Feline
  4. Crayfish
  5. Lungs
  6. Fecal Float
  7. Yes; ingestion of intermediate host(s)
  8. Operculum with shoulders, thicker shell opposite to operculum
  9. None, coughing, dyspnea, pneumothorax
  10. Tetracyclines
37
Q

Parasite on the Left

Host: Feline

Size: 30-40 um

A
  1. Isospora felis
  2. Coccidia
  3. Feline
  4. None
  5. Intestinal tract
  6. Fecal Float
  7. Species Specific
  8. Egg shaped, may be sporulated
  9. None, diarrhea, bloody stool
  10. S-125
38
Q

Parasite on the Right

Host: Feline

Size: 20-27 um

A
  1. Isospora rivolta
  2. Coccidia
  3. Feline
  4. None
  5. Intestinal tract
  6. Fecal Float
  7. Species specific
  8. Round or oval shape, may be sporulated
  9. None, diarrhea, bloody stool
  10. S-125
39
Q

Host: Canine

Size: 30-40 um

A
  1. Isospora canis
  2. Coccidia
  3. Canine
  4. None
  5. Intestinal tract
  6. Fecal float
  7. Species specific
  8. Egg shaped (identical to Isospora felis) may be sporulated
  9. None, diarrhea, bloody stool
  10. S-250
40
Q

Host: Canine

Size: 20-27 um

A
  1. Isospora ohioensis
  2. Coccidia
  3. Canine
  4. None
  5. Intestinal tract
  6. Fecal float
  7. Species specific
  8. Round or oval shaped (identical to Isospora rivolta); may be sporulated
  9. None, diarrhea, bloody stool
  10. S-250
41
Q

Host: Humans, Animals, Birds

Size: 10 um

A
  1. Giardia spp
  2. Beaver Fever
  3. Humans, Animals, Birds
  4. None
  5. Intestinal tract and feces
  6. Fecal float
  7. Species specific; ingestion of oocysts
  8. Contains 2-4 nuclei appears like eyes on a face
  9. Chronic diarrhea, weight loss
  10. Metronidazole
42
Q

Host: Humans, Animals, Birds

Size: 15-21 um

A
  1. Giardia spp
  2. Beaver Fever
  3. Humans, animals, birds
  4. none
  5. intestinal tract
  6. fecal smear
  7. species specific; ingestion of trophozoite
  8. contains 2 nuclei looks like eyes on a ghost; 4 pairs of flagella; motile
  9. chronic diarrhea, weight loss
  10. Metronidazole
43
Q

Host: Canine

Size: 284-340 um

A
  1. Dirofilaria immitis
  2. Heartworm
  3. Canine (rarely feline)
  4. Mosquito
  5. in the bloodstream
  6. blood smear
  7. yes; via infected mosquito
  8. stationary motility, straight tail
  9. none, fatigue, cough, respiratory distress, hepatic failure, death
  10. Steroids, antibiotics heartworm preventative
44
Q

Host: Canine

Size: Up to 30 cm

A
  1. Dirofilaria immitis
  2. Heartworm
  3. Canine (rarely feline)
  4. Mosquito
  5. Pulmonary artery or lungs
  6. blood smear
  7. Yes; via infected mosquito
  8. look like angel hair pasta, males have a coiled tail
  9. none, cough, fatigue, respiratory distress, hepatic failure, death
  10. Steroids, antibiotic, heartworm preventative
45
Q

Host: Canine

Size: 258-292 um

A
  1. Dipetalonema reconditum
  2. None
  3. Canine
  4. None
  5. Bloodstream
  6. Blood smear
  7. no
  8. progressive motility, curved tail when fixed, cephalic hook
  9. none
  10. none
46
Q

Host: Canine

Size: 130-150 um

A

Could be any mite egg except demodex or cheyletiella

47
Q

Host: Canine

Size: 200-400 um

A
  1. Sarcoptes scabiei
  2. Scabies or Mange
  3. Canine
  4. None
  5. Burrows into the skin of the pinnae, elbows and ventral abdomen
  6. Skin scraping or Skin biopsy
  7. Self limiting
  8. Characteristic dorsal spines, hind legs do not extend past the body, front legs are short and chubby, medium sized head
  9. intense pruritis, alopecia, papules, secondary infection due to trauma
  10. Ivermectin
48
Q

Host: Feline

Size: Up to 300 um

A
  1. Notoedres cati
  2. Mange
  3. Feline
  4. None
  5. Burrows into the skin of the ears, face and feet
  6. skin scraping or skin biopsy
  7. self-limiting
  8. no dorsal spines, dorsal anus, short chubby back legs dont extend past the body, small head, females have very short front legs and males have mid sized ones
  9. intense pruritis, alopecia, papules, secondary infection due to trauma
  10. Ivermectin
49
Q

Host: Canine and Feline

Size: 400 um

A
  1. Otodectes cynotis
  2. Ear Mite
  3. Canine and Feline
  4. None
  5. Surface dweller in the ear
  6. ear swab
  7. self-limiting
  8. tulip-shaped suckers on the end of pedicels, short unjointed pedicels, medium length front legs and short back legs that are visible past the body; small head
  9. Intense pruritis, thick discharge looks like coffee grounds, secondary infection
  10. Moxidectin and antibiotic for 2nd infection
50
Q

What parasite does this sucker belong to?

A

Otodectes cynotis (Ear mite)

51
Q

Host:Rabbit

Size: 400-750 um

A
  1. Psoroptes cuniculi
  2. Ear Canker
  3. Rabbit
  4. None
  5. Surface dweller in the ear
  6. Ear swab
  7. Self-limiting
  8. longest back legs of all mites, largest of all mites, pear shaped, matini-glass shaped suckers, long jonted pedicels
  9. intense pruritis, thick discharge like coffee grounds, secondary infection due to trauma
  10. Moxidectin, antibiotic for 2nd infection
52
Q

Which parasite does this sucker belong to?

A

Psoroptes cuniculi (Ear Canker)

53
Q

Host: Canine

Size: 400 um

A
  1. Demodex spp
  2. Mange
  3. Canine
  4. none
  5. Burrowed into the hair follicles of elbows, eye area, mouth and extremities
  6. Skin scraping or skin biopsy
  7. non-transmittable
  8. look like a cigar with 6-8 stumpy legs
  9. alopecia, 2nd infection
  10. Amitraz dip
54
Q

Host: Canine

Size: 100 um

A
  1. Demodex spp
  2. Mange
  3. Canine
  4. none
  5. Burrowed into the hair follicle of the elbows, eye area, mouth and extremities
  6. skin scraping or skin biopsy
  7. non-transmittable
  8. look like pregnant bananas
  9. alopecia, 2nd infection
  10. Amitraz dip
55
Q

Which parasite has an egg that looks like a “pregnant banana”?

A

Demodex spp

56
Q

Which parasite has an egg that has “egg cutters” on it?

A

Cheyletiella spp

57
Q

Which parasite is known as the Broadfish Tapeworm?

A

Diphyllobothrium latum

58
Q

Which two types of tapeworms are identical to one another?

A

Taenia spp and Echinococcus spp

59
Q

Host: canine, feline, rabbit

Size: 400 um

A
  1. Cheyletiella spp
  2. Walking Dandruff
  3. Canine, feline, rabbit
  4. none
  5. Surface dweller
  6. Scotch Tape Prep
  7. Yes; direct contact or environmental
  8. Huge head with 2 big claws called Palpi
  9. Scaly and oily coat, pruritis
  10. Fipronil
60
Q

Host: Canine, feline, rabbit
Size: 234-245 um

A
  1. Cheyletiella spp
  2. Walking Dandruff
  3. Canine, feline, rabbit
  4. None
  5. Surface dweller
  6. Scotch tape prep
  7. yes; direct contact or environmental
  8. Egg cutters, folded up mite inside
  9. scaly and oily coat, pruritis
  10. Fipronil
61
Q

Which parasite has plates instead of teeth?

A

Uncinaria stenocephala adult

62
Q

What does it mean to say a parasite adult is whip shaped?

A

Anterior end is thin, posterior end is thick

63
Q

Which family of parasites has Morula in the eggs?

A

Hookworms

64
Q

Is Capillaria of any real concern?

A

No, it is only studied to differentiate from the dangerous trichuris vulpis

65
Q

There is only one way to really treat the Giant Kidney Worm. What is it?

A

Surgical removal

66
Q

Why would we do a Tapeworm crush?

A

To see the eggs in the segment and identify species of tapeworm

67
Q

Which parasite uses the Moose as an intermediate host?

A

Echinococcus granulosus

68
Q

Which parasite has Bothria (2 slit like grooves) instead of Acetebula (suckers)?

A

Diphyllobothrium latum

69
Q

Which parasite has a distinct encapsulated egg that can hold up to 28 eggs inside?

A

Dipylidium caninum

70
Q

Which parasite is known for having “swirls and circles” within the egg?

A

Alaria spp

71
Q

What is the scientific name for the parasite commonly known as the Lung Fluke?

A

Paragonimus kellicotti

72
Q

Some parasites do not have an “egg” stage. What is the stage called, instead?

A

Oocyst

73
Q

Which parasite has a Trophozoite form that looks like a ghost?

A

Giardia spp

74
Q

Isospora canis eggs are identical to what other species?

A

Isospora felis

75
Q

Isospora rivolta eggs are identical to what other species

A

Isospora ohioensis

76
Q

Which parasite is commonly known as Beaver Fever?

A

Giardia spp

77
Q

Although it is not of concern, what parasite must be differentiated from Dirofilaria immitis (Heartworm)?

A

Dipetalonema reconditum

78
Q

Mosquitos are important intermediate hosts of which parasite?

A

Dirofilaria immitis (heartworm)

79
Q

Which parasite has uniform dorsal spines shaped like “v’s” on their back?

A

Sarcoptes scabiei

80
Q

Which parasite is known for its massive head and Palpi (claws on mouthparts)?

A

Cheyletiella spp adults

81
Q

Why would we perform a skin scraping instead of a scotch tape prep?

A

To find ectoparasites that burrow beneath the first layer of skin

82
Q

Walking Dandruff is a common name for what parasite?

A

Cheyletiella spp

83
Q

What is the largest mite? Provide scientific and common names

A

Psoroptes cuniculi “Ear Canker”

84
Q

If a mite adult measures over 400um, what parasite must it be?

A

Psoroptes cuniculi “Ear Canker”

85
Q

Amitraz dip can be used to treat which type of mite?

A

Demodex (Demodectic Mange)

86
Q

Most mites are Self-limiting and technically not Zoonotic, with the exception of which one?

A

Cheyletiella spp

Parisitology (5 decks)

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