3.2.2 Helminths (Cestodes, Taenia-Hymenolepsis) Flashcards

1
Q

Common name is Beef tapeworm

A

Taenia saginata

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2
Q

IH for Taenia saginata

A

Cattle

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3
Q

Eggs of Taenia saginata is spherical inside with an embryo of _ hooklets(______)

A

6, Hexacanth

Similar to E. granulosus

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4
Q

All taenia are Cyclophyllidea

T or F

A

T

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5
Q

Common name is pork tapeworm

A

Taenia solium

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6
Q

IH of Taenia solium

A

Pig

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7
Q

Which among the Taenia has

Larva and IS: Cysticercus Cellulosae

A

Taenia solium

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8
Q

Which among the Taenia has

Larva and IS: Cysticercus bovis

A

Taenia saginata

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9
Q

Which among the Taenia is irritated by ALCOHOL?

A

Taenia saginata

This can be seen in feces if irritated by alcohol

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10
Q

People get cysticercosis when they swallow T. solium egg that are passed in the feces of a human with a tapeworm.

T or F

A

T

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11
Q

Taeniasis is ingestion of?

A

Larva

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12
Q

Cysticercosis is the ingestion of?

A

egg

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13
Q

Cysticercosis in the brain

A

Neurocysticercosis

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14
Q

Common name is Dwarf Tapeworm

A

Hymenolespsis nana

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15
Q

Smallest cestode infecting human

A

Hymenolepsis nana

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16
Q

IH of Hymenolepsis nana includes:

Ctenocephalides canis,
Pulex irritans,
Xenopsylla cheopis,
Tenebrio tribolium

T or F

A

T

17
Q

Final host for Hymenolepsis nana

A

Man

18
Q

Eggs Hymenolepsis nana is ___-shelled with polar thickening with _____ filaments

A

thin, 6-8

19
Q

Hymenolepsis nana is mistaken as pinworm

T or F

A

T

Pinworm: Enterobius vermicularis

20
Q

Common name Rat tapeworm

A

Hymenolepsis diminuta

21
Q

IH of H. diminuta includes:

Rat flea
Cockroaches
Beetle

T or F

A

T

22
Q

Final host of H. diminuta?

A

Man

23
Q

Eggs of H. diminuta is Nonstriated, with no polar filaments

T or F

A

F

Striated

24
Q

Hymenolepsis spp has:

IS: Cysticercoid larva

T or F

A

T

25
Q

Scolex: UNARMED rostellum w/ 4 suckers

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

a

26
Q

Length: 25 meters

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

a

27
Q

Scolex: Rhomboidal armed rostellum w/ hooks

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

c

28
Q

Length: 60cm

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

d

29
Q

Scolex: KNOB-shaped unarmed rostellum

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

d

30
Q

Length: 25-45 mm, Y-shaped hooklets

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

c

31
Q

Scolex: ARMED restellum w/ 2 rows of large to small hooklets

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

b

32
Q

Length: 7 meters

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

b

33
Q

Gravid proglottids: Tree-like/branching tree

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

a

34
Q

Gravid proglottids: 7-13 lateral branches

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

b

35
Q

No. of proglottids: 800-1000

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

d

36
Q

No. of proglottids: 200

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

c

37
Q

No. of proglottids: <1k

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

b

38
Q

No. of proglottids: 1k - 2k

a. Taenia saginata
b. Taenia solium
c. Hymenolepsis nana
d. Hemenolepsis diminuta

A

a