Cestodes Flashcards

0
Q

Do cestodes have intermediate hosts?

A

Yes

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1
Q

Where do adult cestodes live?

A

In the intestine

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2
Q

What do cestodes look like?

A

Long flat worms divided into segments

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3
Q

What are the two segments of cestodes?

A

Scolex and proglottids

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4
Q

What type of worm is dipydium caninum?

A

Tape worm

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5
Q

How long does dipylidium caninum get?

A

50cm long

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6
Q

What follow is dipylidium caninum?

A

Light reddish to yellow

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7
Q

How is dipylidium caninum diagnosed?

A

Proglottids in feces

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8
Q

What are two things dipylidium can cause?

A

Malnutrition and perinatal irritation

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9
Q

How is dipylidium caninum controlled? 2

A

Eliminate intermediate host and treat infected animals

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10
Q

What type of worm is taenia pisiform is?

A

Tape worm

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11
Q

How long does taenia pisiform is get

A

200cm

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12
Q

What are three symptoms of taenia pisiformis?

A

Diarrhea, intestinal obstruction, damage to intermediate host

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13
Q

What is the prepatent period for taenia pisiformis?

A

2 months

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14
Q

What is the prepatent period for dipylidium caninum?

A

1 month

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15
Q

How do you control taenia pisiformis?

A

Prevent access to intermediate host, treat infected dogs

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16
Q

What is hydrated disease?

A

Disease caused by ingestion of tapeworm eggs

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17
Q

What causes hydrated disease?

A

Echinococcus granulosus

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18
Q

What is a symptom of hydrated disease in humans?

A

Looks like a slow growing tumor

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19
Q

What are symptoms of hydrated disease in animals?

A

Sub clinical

20
Q

What is the incubation period for hydathodes disease?

A

Months to years

21
Q

What is the mortality rate of hydatid diseases?

22
Q

Where does hydatid disease occur?

A

Rural areas of notthern hemisphere and sheep raising areas of the SW and U.S.

23
Q

How is hydatid disease diagnosed?

A

Fecal float and recovery of tape worm after administration of taeniafuge

24
How is hydatid disease treated?
Antiparasitics and surgical resection of cyst
25
How is hydatid disease controlled? 4
Regular deworming Prevent dogs from eating visceral of intermediate hosts Wash food Practice good hygiene
26
What is taeniasis?
Tapeworm infection acquired from eating infected beef or pork
27
What are two causative organisms of taeniasis?
Taenia saginata and taenia solium
28
What are human symptoms of taeniasis? 5
Perianal irritation, weightloss, abdominal pain, GI disturbances, cysticerocosis
29
What are animal symptoms of taeniasis?
Sub clinical
30
What is the prepatent period of taenia saginata?
8-10weeks
31
What is the prepatent period of taenia solium?
2 months
32
What is the incubation period for taeniasis?
8-14 weeksq
33
What is the mortality rate of taeniasis?
None, cysticerocosis without treatment
34
Where does taeniasis mostly occur?
Places where beef or pork is eaten raw or undercooked | Places where pigs and cattle are permitted access to human feces
35
How is taeniasis transmitted?
Ingestion of cysticerci in raw or undercooked beef or pork | Ingestion of taenia soli leading to cystercerosis in humans
36
How is taeniasis treated? 2
Anti parasitic a, surgical trsection
37
How is taeniasis diagnosed?
Prig lorries in stool, fecal float, serology
38
How is taeniasis prevented? 4
Prevent contamination of human feces Cool meat or freeze for at least four days Personal hygiene Don't fertilize with human waste
39
What is diphyllobothriasis?
Tapeworm infection acquired by eating raw fish
40
What causes diphyllobothriasis?
Diphyllobothrium
41
What are 7 symptoms of diphyllobothriasis?
Diarrhea, vomiting, anorexia, nausea, weightloss, craving for salt, anemia, intestinal obstruction
42
What is the prepatent period for Diphyllobothrium?
3-4 weeks
43
What is the incubation period for diphyllobothriasis?
3-6 weeks
44
Where does diphyllobothriasis occur?
Common in places were people ingest raw fish
45
How is diphyllobothriasis transmitted?
Eating raw or undercooked fish
46
How do you diagnosed diphyllobothriasis?
Pro glottis in still, fecal float, CBC
47
How is diphyllobothriasis treated?
Antoparasitics
48
How can you prevent and control diphyllobothriasis?
Cool or freeze | Prevent fecal contamination of water