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SA Parasitology > Cestodes > Flashcards

Cestodes Flashcards

1
Q

Cyclophyllidean reproductive pore

A

Single genital pore

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2
Q

Pseudophyllidean reproductive pore

A

Male genital pore and uterine pore

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3
Q

Scientific name of cucumber seed tapeworm

A

Dipylidium caninum

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4
Q

Dipylidium caninum location in host

A

small intestine

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5
Q

Dipylidium caninum geographic location

A

worldwide

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6
Q

Dipylidium caninum intermediate host

A

fleas or dog louse

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7
Q

Dipylidium caninum definitive host

A

dogs, cats, and humans (mainly children)

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8
Q

Dipylidium caninum metacestode form

A

cysticercoid

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9
Q

Dipylidium caninum infective stage

A

cysticercoid

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10
Q

Dipylidium caninum prepatent period

A

2-3 weeks

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11
Q

Dipylidium caninum clinical signs

A

Usually not pathogenic, heavier infections can lead to diarrhea, constipation, or pot-bellied appearance

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12
Q

Dipylidium caninum diagnosis

A

See gravid proglottids in feces

Fecal flotation

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13
Q

Dipylidium caninum treatment

A

Praziquantel, espiprantel, fenbendazole

Control fleas in environment

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14
Q

Basic characteristics of taeniid tapeworms

A
  1. Large (several meters in length)
  2. Proglottids longer than wide
  3. Armed (usually)
  4. Single genital pore per proglottid
  5. Characteristic egg type
  6. Variety of metacestode stages
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15
Q

Scientific name of mutton tapeworm/measly mutton

A

Taenia ovis

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16
Q

Taenia ovis definitive host/location

A

Dogs; small intestine

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17
Q

Taenia ovis intermediate host/location

A

sheep, goats; skeletal, cardiac muscle

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18
Q

Taenia ovis metacestode type

A

cysticercus

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19
Q

Scientific name of ruminant tapeworm of dogs/abdominal bladderworm

A

Taenia hydatigena

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20
Q

Taenia hydatigena definitive host/location

A

dogs; small intestine

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21
Q

Taenia hydatigena intermediate host/location

A

sheep, goats; peritoneal cavity

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22
Q

Taenia hydatigena metacestode type

A

cysticercus

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23
Q

Scientific name of rabbit tapeworm/abdominal bladderworm

A

Taenia pisiformis

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24
Q

Taenia pisiformis definitive host/location

A

dogs; small intestine

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25
Taenia pisiformis intermediate host/location
rabbites; peritoneal cavity
26
Taenia pisiformis metacestode type
cysticercus
27
Scientific name of feline taeniid/strobilocercus of rats
Taenia taeniaeformis
28
Taenia taeniaeformis definitive host/location
cats, other felids; small intestine
29
Taenia taeniaeformis intermediate host/location
rats, mice; liver
30
Taenia taeniaeformis metacestode type
strobilocercus
31
Echinococcus granulosus definitive host/location
dogs, other carnivores; small intestine
32
Echinococcus granulosus intermediate host/location
cattle, sheep, horses, pigs, humans; brain, liver, lung
33
Echinococcus granulosus metacestode type
unilocular hyatid cyst
34
Echinococcus multilocularis definitive host/location
dogs, cats, foxes; small intestine
35
Echinococcus multilocularis intermediate host/location
rodents, humans; liver, lung, brain, other organs
36
Echinococcus multilocularis metacestode type
multlocular hyatid cyst
37
Scientific name of sheep coenurus/gid bladderworm
Taenia multiceps
38
Taenia multiceps definitive host/location
dogs, foxes, coyotes; small intestine
39
Taenia multiceps intermediate host/location
sheep, goats; brain, spinal cord
40
Taenia multiceps metacestode type
Coenurus
41
Scientific name of rabbit coenurus tapeworm/subcutaneous bladderworm
Taenia serialis
42
Taenia serialis definitive host/location
dogs, foxes, coyotes; small intestine
43
Taenia serialis intermediate host/location
rabbits; subcutaneous tissue
44
Taeniid tapeworm diagnosis
fecal flotation
45
Taeniid tapeworm treatment
Praziquantel, espiprantel, fenbendazole
46
Spirometra mansoides geographic location
Southern U.S.
47
Spirometra mansoides intermediate host
1. Copepod | 2. Frog, rat, snake, NOT a fish
48
Spirometra mansoides metacestode stage
1. Procercoid | 2. Plerocercoid (sparganum)
49
Spirometra mansoides prepatent period
7-14 days
50
Spirometra mansoides definitive host/location
dog, cat, racoon; small intestine
51
Spirometra mansoides clinical signs
Most asymptomatic | Vomiting, diarrhea, weight loss
52
Is Spirometra mansoides zoonotic?
Yes, humans can develop spargana in muscle tissue from ingested copepod or from ingesting 2nd intermediate host
53
Spirometra mansoides diagnosis
Fecal flotation
54
Spirometra mansoides treatment
Praziquantel (high dose 20-25 mg/kg SID for two days)
55
Scientific name of broad fish tapeworm
Diphyllobothrium latum
56
Diphyllobothrium latum definitive host/location
Dogs, cats, polar bears, humans; small intestine
57
Diphyllobothrium latum geographic location
Great Lakes of North America
58
Diphyllobothrium latum intermediate host
1. copepod | 2. Freshwater fish (trout, pike, perch, walleye)
59
Diphyllobothrium latum prepatent period
5-6 wk
60
Diphyllobothrium latum clinical signs
Most asymptomatic | Vomiting, diarrhea, weight loss
61
Is Diphyllobothrium latum zoonotic?
Yes, absorbs a large amount of vitamin B12, can cause anemia
62
Diphyllobothrium latum diagnosis
Fecal flotation
63
Diphyllobothrium latum treatment
Praziquantel

SA Parasitology (6 decks)

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