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Parasitology > Cestodes > Flashcards

Cestodes Flashcards

1
Q

Scolex: spatulate w/ two sucking grooves

A

PSEUDOPHYLLIDEAN

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2
Q

Scolex: globular w/ 4 muscular suckers

A

CYCLOPHYLLIDEAN

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3
Q

Ova: operculated and immature

A

PSEUDOPHYLLIDEAN

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4
Q

Ova: non-operculated and mature

A

CYCLOPHYLLIDEAN

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5
Q

Embryo: coracidium (ciliated)

A

PSEUDOPHYLLIDEAN

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6
Q

Embryo: hexacanth or oncosphere

A

CYCLOPHYLLIDEAN

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7
Q

REQUIRES VERTEBRATE INTERMEDIATE HOST

A

Taenia solium & Taenia saginata

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8
Q

REQUIRES INVERTEBRATE INTERMEDIATE HOST

A

Dipyllidium caninum,
Hymenolepis nana,

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9
Q

may or may not require intermediate host

A

Hymenolepis nana

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10
Q

infects man in the larval stage

A

Echninococcus granulosus

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11
Q

Phylum platyhelminthes common name

A

Flatworms

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12
Q

Flatworms scientific name

A

Phylum platyhelminthes

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13
Q

2 classes of flatworms

A

Cestoda and Trematoda

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14
Q

Flukes

A

Trematodes

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15
Q

Cestodes

A

Tapeworms

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16
Q

Diphyllobothrium latum common name

A

Fish tapeworm

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17
Q

Fish tapeworm scientific name

A

Diphyllobothrium latum

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18
Q

size of Diphyllobothrium latum

A

8-12 meters long

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19
Q

Kosette-shaped uterus

A

Diphyllobothrium latum

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20
Q

Broader than they are long

A

Diphyllobothrium latum

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21
Q

Eggs or Ovum of Diphyllobothrium latum

A

Operculated or immature

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22
Q

1st Intermediate host of Diphyllobothrium latum

A

Copepod or CYCLOPS

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23
Q

2nd Intermediate host of Diphyllobothrium latum

A

Fresh water FISH

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24
Q

Disease of Diphyllobothrium latum (adult worm infection)

A

Diphyllobothriasis

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25
Q

type of anemia in Diphyllobothrium latum

A

Macrocytic Anemia

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26
Q

Diagnosis of Diphyllobothrium latum

A

Demo of ova in stool

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27
Q

Number of segments of Taenia saginata

A

1,000-2,000

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28
Q

Number of segments of Taenia solium

A

800-1,000

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29
Q

Scolex of Taenia saginata

A

NO hooks (UNarmed)

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30
Q

Scolex of Taenia solium

A

Hooks (armed)

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31
Q

Infective stage of Taenia saginata

A

Cystecercus bovis

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32
Q

Infective stage of Taenia solium

A

Cystecercus cellulosae

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33
Q

Proglottids: Uterine branches of Taenia saginata

A

23(14-32)

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34
Q

Proglottids: Uterine branches of Taenia solium

A

8(7-11)

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35
Q

Passing of Proglottids in Taenia saginata

A

single and spontaneous

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36
Q

Passing of Proglottids in Taenia solium

A

APOLYSIS in chain; in groups PASSIVELY

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37
Q

Taenia saginata common name

A

Beef tapeworm

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38
Q

Beef Tapeworm scientific name

A

Taenia saginata

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39
Q

Pork Tapeworm scientific name

A

Taenia solium

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40
Q

Taenia solium common name

A

Pork Tapeworm

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41
Q

Eggs or Ova of Taenia saginata

A

Spherical with radial striations

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42
Q

Eggs or Ova of Taenia solium

A

Spherical with radial striations

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43
Q

Eggs or ova that is NOT infective to man

A

Taenia saginata

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44
Q

Eggs or ova that is INFECTIVE and may develop into larva

A

Taenia solium

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45
Q

Diagnosis of Taenia saginata and Taenia solium

A

MAN

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46
Q

Intermediate host of Taenia saginata

A

Cattle and Reindeer

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47
Q

Intermediate host of Taenia solium

A

Pig and Wild boar

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48
Q

Mode of transmission of Taenia saginata

A

eating of IMPROPERLY COOKED meat

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49
Q

Mode of transmission of Taenia solium

A

eating of IMPROPERLY COOKED meat

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50
Q

Diagnostic tests: Taeniasis

A

Stool sample and Scolex examination

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51
Q

Stool sample in Taeniasis should should be repeated how many times?

A

3

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52
Q

The adult worm for Taenia saginata and Taenia solium is seems to be irritated by what?

A

Alcohol

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53
Q

NOT a suitable intermediate host for Taenia saginata and Taenia solium

A

MAN

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54
Q

Hymenolepis nana is also called

A

Vampirolepis nana

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55
Q

Vampirolepis nana is also called

A

Hymenolepis nana

56
Q

Common name of Hymenolepis nana

A

Dwarf tapeworm

57
Q

Dwarf Tapeworm scientific name

A

Hymenolepis nana

58
Q

Smallest tapeworm

A

Hymenolepis nana

59
Q

MOST COMMON tapeworm

A

Hymenolepis nana

60
Q

only human tapeworm which CAN COMPLETE ITS ENTIRE LIFE CYCLE IN A SINGLE HOST

A

Hymenolepis nana

61
Q

Definitive host of Hymenolepis nana

A

Man, Rats, and Mice

62
Q

Intermediate host of Hymenolepis nana

A

Fleas and Beetles

63
Q

its neck is LONG AND SLENDER

A

Hymenolepis nana

64
Q

Segments: wider than they are large

A

Hymenolepis nana

65
Q

Unilateral genital pores

A

Hymenolepis nana

66
Q

Y-shaped Hooklets

A

Hymenolepis nana

67
Q

Scolex: Armed (retractable) rostellum with 4 cup-shaped suckers

A

Hymenolepis nana

68
Q

its Rostellum has a single circle of 20-30 hooks

A

Hymenolepis nana

69
Q

2 polar thickenings with 4-8 polar hair-like filaments

A

Egg of Hymenolepis nana

70
Q

How many polar hair-like filaments does the egg of the Hymenolepis nana have?

A

4-8

71
Q

only cestode that does not require an intermediate host

A

Hymenolepis nana

72
Q

Pathogenesis of Hymenolepis nana

A

Abdominal pain, diarrhea, headache

73
Q

Detection of egg of Hymenolepis nana in the feces measure between?

A

30 to 47 microns in diameter

74
Q

ROUND TO OVAL and should contain 6 hooked oncosphere

A

Egg of Hymenolepis nana

75
Q

the egg of Hymenolepis nana should contain of how many hooked oncosphere?

A

six-hooked

76
Q

Where does the polar filaments of Hymenolepis nana lie between?

A

between the egg shell and oncosphere

77
Q

Intermediate host of Hymenolepis diminuta

A

Fleas, Beetles, and Cockroaches

78
Q

2 polar thickenings WITHOUT POLAR FILAMENTS

A

Egg of Hymenolepis diminuta

79
Q

Hymenolepis diminuta common name

A

Rat tapeworm

80
Q

Rat tapeworm scientific name

A

Hymenolepis diminuta

81
Q

Habitat of Hymenolepis diminuta

A

Small intestine

82
Q

Most cestodes habitat in human body are in?

A

Small intestine

83
Q

Unarmed Rostellum

A

Hymenolepis diminuta

84
Q

Bigger than Hymenolepis nana

A

Hymenolepis diminuta

85
Q

Eggs: WITHOUT polar filaments

A

Hymenolepis diminuta

86
Q

Definitive host of Hymenolepis diminuta

A

Rats

87
Q

Diagnosis of Hymenolepis diminuta

A

Demo of eggs in stool

88
Q

it requires an Intermediate host

A

Hymenolepis diminuta

89
Q

Dipylidium caninum is also called

A

Cucumber tapeworm

90
Q

Cucumber tapeworm is also called

A

Dipylidium caninum

91
Q

Common name of Dipylidium caninum

A

DOUBLE-PORED TAPEWORM

92
Q

Double-pored Tapeworm scientific name

A

Dipylidium caninum

93
Q

Intermediate host of Dipylidium caninum

A

Fleas and beetles

94
Q

Definitive host of Dipyllidium caninum

A

Dog and Cat

95
Q

Infective stage to Definitive host of Dipylidium caninum

A

Cysticercoid larva

96
Q

Mode of transmission of Dipylidium caninum

A

Ingestion of Infected flea

97
Q

Scolex: rhomboid with 4 suckers and an apical rostellum

A

Dipylidium caninum

98
Q

Apical rostellum

A

Dipylidium caninum

99
Q

how many rows of spine does the scolex of Dipylidium caninum have?

A

1 -7 rows of spine

100
Q

Strobila: 2 sets of reproductive organs

A

Dipylidium caninum

101
Q

how many sets of reproductive organs does Dipylidium caninum Strobila have?

A

2 sets

102
Q

Gravid segments: PUMPKIN-SEED in appearance

A

Dipylidium caninum

103
Q

2 bilateral genital pores with egg packets

A

Gravid segments of Dipylidium caninum

104
Q

Intermediate host: Flour beetles

A

Dipylidium caninum

105
Q

Intermediate host: Flea (Dog Flea)

A

Dipylidium caninum

106
Q

Echinococcus granulosus common name

A

Hydatid worm

107
Q

Hydatid worm scientific name

A

Echinococcus granulosus

108
Q

SHORTEST CESTODES

A

Echinococcus granulosus

109
Q

Incidental host of Echinococcus granulosus

A

MAN

110
Q

Intermediate host of Echinococcus granulosus

A

HERBIVORE: deer, moose, kangaroo, pig, cattle, and goat

111
Q

Definitive host of Echinococcus granulosus

A

Dog (and other canine animals)

112
Q

Eggs: are similar to those of Taenia

A

Echinococcus granulosus

113
Q

3 segments of Echinococcus granulosus

A

Immature, Mature, Gravid

114
Q

Scolex: pyriform with rostellum with hooks

A

Echinococcus granulosus

115
Q

Shape of Ova of Echinococcus granulosus

A

Subspherical in shape

116
Q

Color of Ova of Echinococcus granulosus

A

BROWN STRIATED embryosphere

117
Q

it resembles Taenia spp. Ova

A

Ova of Echinococcus granulosus

118
Q

“Hydatid Cyst”

A

Larva of Echinococcus granulosus

119
Q

“Hydatid sand”

A

Larva of Echinococcus granulosus

120
Q

TWO LAYERS of larva of Echinococcus granulosus

A

Outer LAMINATED and Inner GERMINAL layer

121
Q

How to diagnose a Disease from Echinococcus granulosus?

A

Biopsy and Ultrasound

122
Q

What test is not a reliable diagnosis for Echinococcus granulosus Disease?

A

Fecalysis

123
Q

Beef tapeworm adult measurement

A

4-8m

124
Q

Pork tapeworm adult measurement

A

3-5m

125
Q

Dwarf tapeworm adult measurement

A

10-45mm

126
Q

Rat tapeworm adult Measurement

A

20-60cm

127
Q

Taenia asiatica common name

A

Asian Tapeworm

128
Q

Asian tapeworm scientific name

A

Taenia asiatica

129
Q

Tapeworm that is commonly found in Thailand, Indonesia, Taiwan, Korea

A

Taenia asiatica

130
Q

Taenia asiatica is commonly found in?

A

Thailand, Indonesia, Taiwan, Korea

131
Q

Taenia asiatica is found in the liver of?

A

Pigs, wild boar, or cattle

132
Q

wart-like protuberance in scolex

A

Taenia asiatica

133
Q

Uterine branches: 11-32 (contains vaginal sphincter)

A

Taenia asiatica

134
Q

How many is the uterine branches of Taenia asiatica?

A

11-32

135
Q

uterine branches of Taenia asiatica contains what?

A

Vaginal sphincter

136
Q

Infective stage of Taenia asiatica

A

Cystecercus

Parasitology (4 decks)

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