Cestodes (PPT) Part II Flashcards

1
Q

Common name of Taenia solium

A

Pork tapeworms

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2
Q

It serves as both definitive host and intermediate host for Taenia solium

A

Humans

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3
Q

Intermediate host of the pork tapeworm

A

Pigs

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4
Q

The adult worm of Taenia solium inhabits in the _____

A

small intestine

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5
Q

Which is shorter, T. saginata or T. solium?

A

Taenia solium (pork tapeworm)

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6
Q

The pork tapeworms measures ____ m in length

A

2-4 m

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7
Q

How many acetabulum does the pork tapeworm have?

A

4 acetabulum

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8
Q

Hallmark of the hooks of the Taenia solium

A

Double crown of 12-30 large and small hooks

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9
Q

True or False:

The eggs of the Taenia species cannot be differentiated

A

True

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10
Q

Differentiation of Taenia species is usually done by __________ that have been injected with ______ to reveal the lateral uterine branches

A

examination of gravid proglottids and India ink

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11
Q

The shell of the Taenia spp. is thick and radially striated, giving it a ______ appearance

A

Prismatic

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12
Q

The eggs of the Taenia spp contains a sex-hooked embryo called an

A

oncosphere

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13
Q

The infected meat of the pork tapeworm is often called

A

Measly pork

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14
Q

Pathogenesis and Clinical Manifestation of Taenia solium

A
  1. Mild non-specific abdominal complaint
  2. Cystecircosis
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15
Q

CSF of Taenia solium shows:

A

Increase pressure
Elevated protein
Decrease glucose
Increase mononuclear cells
CSF eosinophilia w/o peripheral blood eosinophilia

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16
Q

Diagnosis of T. solium

A
  1. Identifying the characteristics of proglottids, eggs or even scolex
  2. Cat Scan
  3. MRI
  4. ELISA
  5. Western blot for IgG & IgM
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17
Q

Treatment of T. solium

A

Praziquantel
Niclosamide
Albendazole

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18
Q

Known as beef tapeworm

A

Taenia saginata

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19
Q

What is the definitive host of the T. saginata

A

Human

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20
Q

The adult worms of T. saginata inhabits in the

A

upper jejunum

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21
Q

Adult worms of T. saginata may live for _____

A

25 years

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22
Q

The adult worms of T. saginata measures ____ m in length or ____ m

A

4-10 m or 25 m

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23
Q

How many prominent acetabulum does the beef tapeworm have?

A

4 prominent acetabulum

24
Q

What is the shape of the uterus of the beef tapeworm?

A

club-shaped

25
Q

Describe the uterus of the beef tapeworm:

A

Distended with oval has 15-20 lateral branches

26
Q

Morphology of the T. saginata (Ova, Gravid proglottids, and Cyctercus)

Measures: 30-45 um in dm

A

Ova (spherical or subspherical)

27
Q

Morphology of the T. saginata (Ova, Gravid proglottids, and Cyctercus)

Ovoidal, milky white 10 mm in dm and has a single scolex invaginated into fluid filled bladder

A

Cyctecercus

28
Q

Morphology of the T. saginata (Ova, Gravid proglottids, and Cyctercus)

Brownish in color thick embryophore

A

Ova (spherical or subspherical)

29
Q

Diagnosis of T. saginata

A

Identifying the characteristic proglottids, eggs or scolex

30
Q

Treatment for T. saginata

A

Praziquantel
Niclosamide

31
Q

Characteristics of T. saginata and T. solium:

Intermediate host of both

A

T. saginata - cattle, reindeer
T. solium - hug, wild boar

32
Q

Characteristics of T. saginata and T. solium:

Site of development

A

T. saginata - muscle, viscera
T. solium - skin, muscle, brain

33
Q

Characteristics of T. saginata and T. solium:

Scolex: cystercercus

A

T. saginata - no rostellum
T. solium - has restellium and hooks

34
Q

Characteristics of T. saginata and T. solium:

Scolex: adult worm

A

T. saginata - no hooks
T. solium - with hooks

35
Q

Characteristics of T. saginata and T. solium:

Proglottids: Uterine branches

A

T. saginata - 23 (14-22)
T. solium - 8 (7-15)

36
Q

Characteristics of T. saginata and T. solium:

Ovary

A

T. saginata - single, spontaenous
T. solium - passively, in groups

37
Q

Characteristics of T. saginata and T. solium:

Passing of Proglottids

A

T. saginata - two lobes
T. solium - Three lobes

38
Q

Characteristics of T. saginata and T. solium:

Vagina: Sphincter muscle

A

T. saginata - present
T. solium - absent

39
Q

Characteristics of T. saginata and T. solium:

Gravid proglottid

A

T. saginata - tree-like (dichomotous)
T. solium - Finger-like (dendritic)

40
Q

Characteristics of T. saginata and T. solium:

Larva

A

T. saginata - Cysticercus bovis
T. solium - Cysticercus cellulosae

41
Q

Characteristics of T. saginata and T. solium:

Infective stage

A

T. saginata - Cysticercous bovis
T. solium - Cysticercus cellulosae

42
Q

Characteristics of T. saginata and T. solium:

Pathogenesis

A

T. saginata - Taeniasis saginata
T. solium - Taeniasis solium

43
Q

Mode of infection of Taeniasis saginata:

A

Ingesting raw or undercooked beef containing Cysticercus bovis

44
Q

Mode of infection of Taeniasis solium:

A

Ingesting raw or undercooked pork containing viable Cysticercus cellulosae

45
Q

Common name of Hymenolepis nana

A

Dwarf tapeworm

46
Q

The adult worm of the dwarf tapeworm are found in the

A

Ileum

47
Q

Describe the hooklets of the dwarf tapeworm

A

12-30 Y shaped hooklets

48
Q

The anterior proglottids of the dwarf tapeworm is

A

short

49
Q

The posterior proglottids of the dwarf tapeworm is

A

broader than long

50
Q

The genital pore of the dwarf tapeworm is found

A

along the same side of the segments

51
Q

Layers of the oncosphere of the dwarf tapeworm:

A

thin outer membrane
thick inner membrane with conspicuous bipolar thickening

52
Q

Diagnosis for Hymenolepis nana

A

Specific demonstration of characteristic eggs in stools

53
Q

Intermediate host of Hymenolepis nana:

A

Arthropods

54
Q

Definitive host of Hymenolepis nana

A

Human or Rodents

55
Q

Infective stage of Hymenolepis nana:

A

Embryonated eggs or Cysticercoid in insects

56
Q

Diagnostic stage of Hymenolepic nana:

A

Eggs in feces