CESTODES

Question 1

Shape of Cestodes

Answer 1

Flat/Ribbon like

Question 2

General characteristics of Cestodes

Answer 2

White, Yellowish in Color/ Creamy White in Color
Flat and segmented
No Gastrointestinal Tract/ Alimentary Canal (No Mouth, No Anus)
No Circulatory System
Entry of Nutrients and Exit of Waste: Integument
With Well-developed Reproductive Organs: Testes, Ovary, Uterus

Question 3

Anterior Attachment Organ of Cestodes

Answer 3

Scolex

Question 4

Protrusible structure armed (with hooks) or unarmed (without hooks)

Answer 4

Rostellum

Question 5

Region of growth for Cestodes

Answer 5

Neck

Question 6

Chain of Segments/ Strobila

Answer 6

Proglottids

Question 7

Structure of Immature proglottid

Answer 7

Found nearest to the neck

Question 8

Structure of Mature proglottid

Answer 8

Found at middle portion where reproductive structures are formed and found

Question 9

Structure of Gravid proglottid

Answer 9

Filled with eggs, presence of egg in the uterus, farthest from the head; can be detached (apolysis)

Question 10

Where the Egg Exits

Answer 10

Uterine Pore

Question 11

Site at where Male and Female Organs Meet

Answer 11

Genital Pore

Question 12

Embryo with 6 hooklets

Answer 12

Hexacanth Embryo

Question 13

Protects the Embryo, contains 6 hooklets

Answer 13

Oncosphere

Question 14

Two main Order of Cestodes

Answer 14

Pseudophyllidean
Cyclophyllidean

Question 15

Common name of D. latum

Answer 15

Broad/Fish Tapeworm

Question 16

Largest tapeworm of man

Answer 16

D. latum

Question 17

Sucking organ of D. latum

Answer 17

Bothrium

Question 18

Disease caused by D. latum

Answer 18

Tapewom anemia/vitamin B12 deficiency anemia → Megaloblastic Anemia

Question 19

AKA Beef Tapeworm

Answer 19

Taenia saginata

Question 20

Shape of uterine lateral branches of Taenia saginata

Answer 20

Dichotomous or Tree-like

Question 21

Shape of proglottid of T. saginata

Answer 21

Taller than Wide

Question 22

Longest Tapeworm

Answer 22

T. saginata

Question 23

AKA Pork Tapeworm

Answer 23

Taenia solium

Question 24

Shape of uterine lateral branches of Taenia solium

Answer 24

Dendritic or Fingerlike

Question 25

Shape of proglottid of T. solium

Answer 25

Wider than Tall

Question 26

Common name of Hymenolepis nana

Answer 26

Dwarf Tapeworm

Question 27

Smallest tapeworm of man

Answer 27

H. nana

Question 28

Most common Cestode of man

Answer 28

H. nana

Question 29

Why does H. anna called True Tapeworm?

Answer 29

Only human tapeworm that can complete its life cycle in a single host

Question 30

Morphology of H. nana egg

Answer 30

Contain an oncosphere with two polar thickenings from which arise 4-8 polar filaments

Question 31

Common name of Hymenolepis diminuta

Answer 31

Rat Tapeworm

Question 32

Morphology of H. diminuta egg

Answer 32

Contain an oncosphere with polar thickenings but without filaments

Question 33

Appearance of H. diminuta egg

Answer 33

Sunny Side Up/Fried Egg Appearance

Question 34

Common names of Dipylidium caninum

Answer 34

Dog tapeworm or Double-pored tapeworm (Flea Tapewom) (Cucumber Tapewom)

Question 35

The only parasite with 2 sets of reproductive organs

Answer 35

Dipylidium caninum

Question 36

Shape of proglottid of Dipylidium caninum

Answer 36

Melon seeds/pumpkin seeds/rice grains/cucumber seed

Question 37

Appearance of Dipylidium caninum egg

Answer 37

Egg capsule/Egg packet

Question 38

Common Tapewom of Rats

Answer 38

Raillietina garrisoni

Question 39

Shape of adult gravid proglottid of Raillietina garrisoni

Answer 39

Rice grain appearance

Question 40

Shortest Tapeworm

Answer 40

Echinococcus granulosus

Question 41

Common name of Echinococcus granulosus

Answer 41

Hydatid worm

Question 42

Echinococcus granulosus is formerly known as

Answer 42

Taenia granulosus

Question 43

Most lethal of all helminthic diseases

Answer 43

Echinococcus multilocularis

Question 44

DIsease caused by Echinococcus multilocularis

Answer 44

Alveolar hydatid cyst