Cestodes / Tapeworms

Question 1

Mode of Transmission

Answer 1

Ingestion
Autoinfection
(T. solium, H. nana)

Question 2

Signs of effective therapy

Answer 2

Recovery of scolex in stool and (-) stool exam three months after treatment

Question 3

Classification pf Cestodes

Answer 3

Order Pseudophyllidea

Order Cyclophyllidea

Question 4

Broad fish tapeworm

Answer 4

Diphyllobothrium latum

Question 5

Pork tapeworm

Answer 5

Taenia solium

Question 6

Taenia saginata

Answer 6

Beef tapeworm

Question 7

Dwarf tapeworm

Answer 7

Hymenolepis nana

Question 8

Rat tapeworm

Answer 8

Hymenolepis diminuta

Question 9

Dipylidium caninum

Answer 9

Double pored dog tapeworm

Question 10

Hydatid worm

Answer 10

Echinococcus granulosus

Question 11

Common rat tapeworm

Answer 11

Raillietina garrisoni

Question 12

Final host of D. latum

Answer 12

Man, dog, cat

Question 13

Final Host of T. solium

Answer 13

Man

IH if eggs are ingested

Question 14

FH of T. saginata

Answer 14

Man

Question 15

FH of H. nana

Answer 15

Man (DH or IH)

Question 16

FH of H. diminuta

Answer 16

Rat

Man (accidental)

Question 17

FH of D. caninum

Answer 17

Dog

Man (accidental)

Question 18

FH of E. granulosus

Answer 18

Dogs

Question 19

FH of Railletina garrisoni

Answer 19

Rat

Question 20

Cestode with paratenic host

Answer 20

D. latum

Carnivorous fish

Question 21

IS of D. latum

Answer 21

Plerocercoid or

Sparganum

Question 22

IS of T. solium

Answer 22

Cysticercus cellulosae

Bladderworm

Question 23

IS of T. saginata

Answer 23

Cysticercus bovis

Question 24

IS of H. nana

Answer 24

Cysticercoid
Embryonated ova
(Direct cycle)

Question 25

IS of H. diminuta

Answer 25

Cysticercoid

Question 26

IS of D. caninum

Answer 26

Cysticercoid

Question 27

IS of E. granulosus

Answer 27

Hydatid cyst | Embryonated ova

Question 28

IS of Railletina garrisoni

Answer 28

Cysticercoid

Question 29

Scolex of D. latum

Answer 29

Spoon shaped Spatulate shaped Almond shaped With two bothria

Question 30

Scolex of T. solium

Answer 30

GLOBULAR Four cuplike suckers ARMED: rostellum With 25-30 hooks

Question 31

Scolex of T. saginata

Answer 31

CUBOIDAL four cuplike suckers UNARMED No rostellar hooks

Question 32

Scolex of H. nana

Answer 32

SUBGLOBULAR Four cuplike suckers ARMED: rostellum with 20-30 hooks

Question 33

Scolex of H. diminuta

Answer 33

CLUB/KNOB SHAPED four cuplike suckers UNARMED No rostellar hooks

Question 34

Scolex of D. caninum

Answer 34

GLOBULAR four cuplike suckers ARMED: 1-7 rows rosethorn hooklets

Question 35

Scolex of E. granulosus

Answer 35

PYRIFORM Four cuplike suckers ARMED: rostellum with 30-36 hooks

Question 36

Scolex of R. garrisoni

Answer 36

SUBGLOBULAR Four cuplike suckers ARMED: 90-140 hammershaped hooks

Question 37

Mature / gravid segment of D. latum

Answer 37

Highly coiled uterus (Rosette uterus) Symmetrical Bilobed ovary

Question 38

Mature / gravid segment of T. solium

Answer 38

7-15 lateral branches | Dendritic or fingerlike

Question 39

Mature / gravid segment of T. saginata

Answer 39

15-20 lateral branches | Dichotomous or treelike

Question 40

Mature / gravid segment of H. nana

Answer 40

3 testes + 1 ovary (In straight line) 1 uterus

Question 41

Mature / gravid segment of H. diminuta

Answer 41

3 testes + 1 ovary (In straight line) 1 uterus

Question 42

Mature / gravid segment of D. caninum

Answer 42

Bilateral genital pore PUMPKIN Rice granule MELON shaped

Question 43

Mature / gravid segment of E. granulosus

Answer 43

Midline uterus with Taenia-like egg

Question 44

Mature / gravid segment of R. garrisoni

Answer 44

Bilobed ovary Surrounded by 36-50 ovoid testes Rice grain shape gravid proglottid

Question 45

Habitat of tapeworms

Answer 45

Small intestine