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Para FINALS ! > Cestodes (lab) > Flashcards

Cestodes (lab) Flashcards

1
Q

T/F: the embryonated beef tapeworm eggs is the infective stage to humans

A

F

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2
Q

T/F: the eggs of Taenia solium and Taenia saginata is indistinguishable from each other

A

T

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3
Q

T/F: T. solium adult is longer compared to the D. latus adult

A

F

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4
Q

The infective stage of the rat tapeworm

A

Cysticercoid larva

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5
Q

The common name of the only tapeworm that may or may not require an intermediate host

A

Dwarf tapeworm

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6
Q

The habitat of all cestodes

A

Small intestines

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7
Q

T/F: cestodes have GI tract

A

F

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8
Q

Opening for eggs from the gravid segments

A

Uterine pores

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9
Q

Where the male and female organs meet

A

Genital pore

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10
Q

Chains of segments or proglottids

A

Strobila

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11
Q

Manner of detachment of gravid segment

A

Apolysis

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12
Q

Term for the presence of hooks

A

Armed

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13
Q

A crown of scolex

A

Rostellum

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14
Q

Segments of tapeworm

A

Proglottids

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15
Q

Farthest proglottid from the scolex and releases the egg

A

Gravid/ripe proglottid

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16
Q

Which cestode egg is similar to P. westermani egg?

A

D. latus

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17
Q

Appearance of the scolex of D. latum

A

Spoon/almond-like

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18
Q

Proglottids located near the neck of the tapeworm

A

Immature

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19
Q

Proglottids located at the center of the tapeworm and is where the reproductive structures are found

A

Mature

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20
Q

Order of false tapeworm

A

Order Pseudophyllidea

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21
Q

Describe the strobila of Pseudophyllidea

A

Anapolytic

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22
Q

Describe the strobila of Cyclophyllidea

A

Apolytic

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23
Q

Describe the vitellaria of Pseudophyllidea

A

diffused with many follicles

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24
Q

Describe the vitellaria of Cyclophyllidea

A

compact and separate

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25
Q

Describe the gravid proglottid of Pseudophyllidea

A

all reproductive organs present; rosette uterus

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26
Q

Describe the gravid proglottid of Cyclophyllidea

A

degenerate reproductive organs; except uterus

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27
Q

Describe the uterine pore of Cyclophyllidea

A

absent

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28
Q

Describe the uterine pore of Pseudophyllidea

A

present; median ventral surface

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29
Q

Describe the ova of Pseudophyllidea

A

oval, operculated, unembryonated

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30
Q

Describe the ova of Cyclophyllidea

A

spherical, non-operculated, embryonated

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31
Q

1st IH of Pseudophyllidea

A

Copepods

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32
Q

2nd IH of Pseudophyllidea

A

Freshwater fish

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33
Q

IH of Cyclophyllidea

A

lower forms of animals or arthropods

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34
Q

Humans are ____ host of D. latus

A

Definitive

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35
Q

Old name for Dibothriocephalus latus

A

Diphyllobothrium latum

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36
Q

Common name of D. latus

A

Broad fish tapeworm

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37
Q

Infective stage of D. latus

A

Plerocercoid larva

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38
Q

Longest and largest tapeworm of man

A

D. latus

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39
Q

AH of D. latus

A

Dogs, cats, rats

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40
Q

Habitat of D. latus

A

Ileum

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41
Q

2nd IH of D. latus

A

Freshwater fish

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42
Q

T/F: D. latus ova has a comma-shaped abopercular end

A

F (rounded)

43
Q

Describe the shape of the D. latus proglottid

A

Wider than tall

44
Q

Describe the rostellum of D. latus

A

no rostellum; no hooks

45
Q

Cyclophyllidea: 4 cup-like suckers

Pseudophyllidea: _____

A

2 slit-like grooves (bothria)

46
Q

Chronic manifestation of D. latus

A

Pernicious anemia

47
Q

Pathology of D. latus due to larva

A

Sparganosis

48
Q

Pathology of D. latus due to adult

A

Diphyllobothriasis

49
Q

Common name of Taenia solium

A

Pork tapeworm

50
Q

Describe the rostellum of T. solium

A

Armed

51
Q

Describe the immature proglottid of T. solium

A

Wider than tall

52
Q

Describe the mature proglottid of T. solium

A

Square

53
Q

Describe the gravid proglottid of T. solium

A

taller than wide

54
Q

Pathology of T. solium due to adult

A

Taeniasis solium

55
Q

Pathology of T. solium due to embryonated egg

A

Cysticercosis

56
Q

Number of uterine branches of gravid T. solium proglottid

A

7-13

57
Q

Number of T. solium segments usually seen in stool sample

A

5-6

58
Q

Describe the branches of T. solium

A

Finger-like; dendritic

59
Q

Common name of Taenia saginata

A

Beef tapeworm

60
Q

Usual length of T. saginata

A

25 m

61
Q

Describe the scolex of T. saginata

A

no rostellum; quadrate appearance

62
Q

Describe the cup-like suckers of T. saginata

A

no hooks

63
Q

Describe the uterine branches of T. saginata

A

tree-like appearance

64
Q

Number of branches of T. saginata

A

15-29

65
Q

Which tapeworm uses the double slide compression technique?

A

Taenia spp.

66
Q

How are T. solium and T. saginata ova reported?

A

Taenia egg

67
Q

Dye used for Taenia spp.

A

India ink or Carmine dye

68
Q

T/F: diagnosis of Taenia infection is also possible with perianal swab

A

T

69
Q

Common name of Dipylidium caninum

A

Double pored tapeworm, Flea tapeworm, Cucumber tapeworm

70
Q

Describe the proglottids of D. caninum

A

Cucumber-like

71
Q

IH of D. caninum

A

Fleas

72
Q

Humans are ____ host of D. caninum

A

Accidental

73
Q

Definitive host of D. caninum

A

Dogs

74
Q

IS of D. caninum

A

Cysticercoid larva

75
Q

Describe the rostellum of D. caninum

A

Armed; 7 hooklet rows

76
Q

Pathology of D. caninum due to egg

A

Cysticercosis

77
Q

Appearance of D. caninum gravid proglottid

A

Pumpkin seed-like appearance

78
Q

Number of embryonated eggs encapsuled in the D. caninum egg packets

A

8-15

79
Q

D. caninum individual eggs look like ____

A

Taenia egg

80
Q

Humans are ___ host of H. diminuta

A

Accidental

81
Q

IS of H. diminuta

A

Cysticercoid larva

82
Q

IH of H. diminuta

A

Rat flea, cockroach, beetle

83
Q

Appearance of H. diminuta scolex

A

Knob-shaped

84
Q

Describe the rostellum of H. diminuta

A

unarmed

85
Q

Describe the proglottids of H. diminuta

A

Wider than tall

86
Q

Number of proglottids in H. diminuta

A

800-1000

87
Q

Appearance of H. diminuta egg

A

Fried-egg appearance

88
Q

H. diminuta or H. nana: has polar filaments

A

H. nana

89
Q

Humans are ____ of H. nana

A

Definitive

90
Q

Common name of H. diminuta

A

Rat tapeworm

91
Q

Common name of H. nana

A

Dwarf tapeworm

92
Q

Cestode capable of direct and indirect infection

A

H. nana

93
Q

Appearance of adult H. nana

A

Rhomboidal appearance

94
Q

Describe the rostellum of H. nana

A

Armed; 1 row of hooklets and 4 cup-like suckers

95
Q

Size of H. nana proglottid

A

25-40 mm

96
Q

Number of hooklet of H. nana

A

6 (3 pairs)

97
Q

Number of polar filaments of H. nana

A

4-8

98
Q

Common name of E. ganulosus

A

Hydatid worm

99
Q

Describe the rostellum of E. granulosus

A

Armed; 4 cup-like suckers

100
Q

The only cestode with 3 proglottids

A

E. granulosus

101
Q

E. granulosus look like ____ egg

A

Taenia

102
Q

Daughter cyst or protoscolex: attached to the germinal layer

A

Protoscolex

103
Q

Alternative technique for removing hydatid cyst aside from surgery

A

Puncture
Aspirate
Inject
Reaspirate

Para FINALS ! (3 decks)

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