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BIOL 4092 - Parasitology Lab > Exam 2 Review -- Dipylidium caninum > Flashcards

Exam 2 Review -- Dipylidium caninum Flashcards

1
Q

What egg does this depict? Describe the tegument of 4.

A

Paragonimus westermani; spiny

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2
Q

If a person accidentally ingests adult flea with cystercoid, will he become infected?

A

Yes.

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3
Q

Schistosomes have a ______ sporocyst, ____ metacercaria, and ____ is the definite host.

A

daughter; no; human

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4
Q

Is *Dipylidium caninum* monozenous, dizenous, polyzenous, all or none of these? Explain.

A

Diozenous. It needs 2 intermediate hosts to complete the life cycle.

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5
Q

What do a, f, and g depict?

A

rostellum; hooks; suckers

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6
Q

What egg does this depict? What is 1?

A

Clonorchis sinesis; testes

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7
Q

What trematode is this? What is 4?

A

Fasciola hepatica; tegument spiny

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8
Q

What is the most dangerous trematode?

A

S. Japonicum

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9
Q

What trematode laid this egg? What is the name of the enclosed red ring?

A

S. Japonicum; terminal bulb

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10
Q

What egg does this depict? Describe the shape of 3?

A

Paragonimus westermani; coffee bean shape

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11
Q

If a human accidentally ingests egg packets containing embryonated eggs, will he become infected?

A

No. The person gets infected only if he ingests adult flea with cysticercoid.

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12
Q

Describe the egg of Fasciola hepatica.

A

operculated, open and close.

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13
Q

What trematode is this? What is 2?

A

Fasciola hepatica; shoulders

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14
Q

What is h?

A

genital openings

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15
Q

What egg does this depict? What is 2?

A

Paragonimus westermani; suckers

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16
Q

These egg capsules belong to what parasite? Where are they located?

A

Dipylidium caninum; uterus

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17
Q

What egg does this depict? What is 2 and 3?

A

Clonorchis sinesis; seminal; uterus vesicle

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18
Q

What trematode laid this egg? What is the name of the enclosed red ring?

A

S. Japonicum; terminal bulb

19
Q

Which cestode represents 2 + entrances + caninum?

A

Dipylidium caninum

20
Q

What do you notice unique about Dipylidium caninum?

A

It has 2 sets of organs, and 2 lateral genital pores.

21
Q

Which trematode has shoulders and a cone head: Fasciola hepatica or Fasciolopsis buski?

A

Fasciola hepatica

22
Q

What are the symptoms of Dipylidium caninum?

A

Anemia & diarrhea

23
Q

Which trematode has NO shoulders NOR a cone head: Fasciola hepatica or Fasciolopsis buski?

A

Fasciolopsis buski

24
Q

Where in the Dipylidium caninum life cycle does the infective stage begin?

A

Adult flea harbours the infective CYSTICERCOID.

25
Q

What are d and i?

A

gravid proglottid; eggs

26
Q

What is c?

A

mature proglottid

27
Q

What egg does this depict? Describe the tegument.

A

Faciolopsis busky; smooth

28
Q

What type of body is b?

A

immature proglottid

29
Q

What parasite do the images represent?

A

Dipylidium caninum

30
Q

What intermediate host does the Dipylidium caninum need to complete the life cycle?

A

Flea

31
Q

What type of body is this parasite (image A)? Name the genus and species.

A

Mature proglottid. Dipylidium caninum.

32
Q

What is the general life cycle of a Schistosome?

A

Nonoperculated eggs -> Miracidia -> Invade the Snail -> Mother sporocyst -> Daughter sporocyst -> Cercaria (tail) -> Invades host -> Adults -> Eggs

33
Q

What trematode is this? What is 3?

A

Fasciola hepatica; cone shaped

34
Q

What egg does this depict? What is 1?

A

Paragonimus westermani; wavy cecum

35
Q

Describe e. What parasite is this?

A

A packet with eggs. Dipylidium caninum.

36
Q

What is the life cycle of Dipylidium caninum?

A

Eggs in packet -> Ingested in flea larva -> Oncosphere is released -> Cysticercoid (inside flea) -> Flea turns into an adult -> Adult flea with cysticercoid ingested by host -> Eggs

37
Q

Describe the tegument of 4.

A

spiny

38
Q

Schistosomes have ___ sex, _____ eggs, and are _____ flukes.

A

separate; non-operculated; blood

39
Q

What trematode laid this egg? What part of the latter encloses the red ring?

A

S. haematobium; spine

40
Q

What trematode is this? What is 1?

A

Fasciola hepatica; uterus

41
Q

What is image B? What parasite does it belong to?

A

Dipylidium caninum eggs in packets.

42
Q

What is the general life cycle of trematodes other than Schistosomes?

A

Operculated eggs -> Miracidia -> Invade the Snail -> Mother sporocyst -> Radiae -> Cercaria (tail) -> Metacercaria -> Invades host -> Adults -> Eggs

43
Q

What trematode laid this egg?

A

S. mansoni

44
Q

What is image C?

A

genital pores

BIOL 4092 - Parasitology Lab (11 decks)

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