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Parasitology (Lecture) > Cestodes (PPT) Part II > Flashcards

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
Describe the uterus of the beef tapeworm:
Distended with oval has 15-20 lateral branches
26
Morphology of the T. saginata (Ova, Gravid proglottids, and Cyctercus) Measures: 30-45 um in dm
Ova (spherical or subspherical)
27
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
Cyctecercus
28
Morphology of the T. saginata (Ova, Gravid proglottids, and Cyctercus) Brownish in color thick embryophore
Ova (spherical or subspherical)
29
Diagnosis of T. saginata
Identifying the characteristic proglottids, eggs or scolex
30
Treatment for T. saginata
Praziquantel Niclosamide
31
Characteristics of T. saginata and T. solium: Intermediate host of both
T. saginata - cattle, reindeer T. solium - hug, wild boar
32
Characteristics of T. saginata and T. solium: Site of development
T. saginata - muscle, viscera T. solium - skin, muscle, brain
33
Characteristics of T. saginata and T. solium: Scolex: cystercercus
T. saginata - no rostellum T. solium - has restellium and hooks
34
Characteristics of T. saginata and T. solium: Scolex: adult worm
T. saginata - no hooks T. solium - with hooks
35
Characteristics of T. saginata and T. solium: Proglottids: Uterine branches
T. saginata - 23 (14-22) T. solium - 8 (7-15)
36
Characteristics of T. saginata and T. solium: Ovary
T. saginata - single, spontaenous T. solium - passively, in groups
37
Characteristics of T. saginata and T. solium: Passing of Proglottids
T. saginata - two lobes T. solium - Three lobes
38
Characteristics of T. saginata and T. solium: Vagina: Sphincter muscle
T. saginata - present T. solium - absent
39
Characteristics of T. saginata and T. solium: Gravid proglottid
T. saginata - tree-like (dichomotous) T. solium - Finger-like (dendritic)
40
Characteristics of T. saginata and T. solium: Larva
T. saginata - Cysticercus bovis T. solium - Cysticercus cellulosae
41
Characteristics of T. saginata and T. solium: Infective stage
T. saginata - Cysticercous bovis T. solium - Cysticercus cellulosae
42
Characteristics of T. saginata and T. solium: Pathogenesis
T. saginata - Taeniasis saginata T. solium - Taeniasis solium
43
Mode of infection of Taeniasis saginata:
Ingesting raw or undercooked beef containing Cysticercus bovis
44
Mode of infection of Taeniasis solium:
Ingesting raw or undercooked pork containing viable Cysticercus cellulosae
45
Common name of Hymenolepis nana
Dwarf tapeworm
46
The adult worm of the dwarf tapeworm are found in the
Ileum
47
Describe the hooklets of the dwarf tapeworm
12-30 Y shaped hooklets
48
The anterior proglottids of the dwarf tapeworm is
short
49
The posterior proglottids of the dwarf tapeworm is
broader than long
50
The genital pore of the dwarf tapeworm is found
along the same side of the segments
51
Layers of the oncosphere of the dwarf tapeworm:
thin outer membrane thick inner membrane with conspicuous bipolar thickening
52
Diagnosis for Hymenolepis nana
Specific demonstration of characteristic eggs in stools
53
Intermediate host of Hymenolepis nana:
Arthropods
54
Definitive host of Hymenolepis nana
Human or Rodents
55
Infective stage of Hymenolepis nana:
Embryonated eggs or Cysticercoid in insects
56
Diagnostic stage of Hymenolepic nana:
Eggs in feces

Parasitology (Lecture) (11 decks)

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