General Characteristics

Question 1

Cestodes are also known as

Answer 1

Tapeworms

Question 2

Cestodes belong to what Phylum

Answer 2

Platyhelminths (flatworms)

Question 3

Cestode general morphologic form

Answer 3

eggs - one or more larval stages - adult worms

Question 4

Segments where the reproductive organs are not well-developed; proglottids that are near the neck

Answer 4

Immature Segments

Question 5

Segments where the reproductive organs are well-developed; contains both male and female sex organs; behind the young segments

Answer 5

Mature Segments

Question 6

These segments are completely occupied by the uterus filled with eggs; are at the hind end

Answer 6

Gravid Segments

Question 7

One order of the Cestoda class that requires two intermediate host - a total of three hosts for the whole life cycle

Answer 7

Pseudophyllidea

Question 8

One order of the Cestoda class that requires one intermediate host - a total of two hosts for the whole life cycle

Answer 8

Cyclophyllidea

Question 9

Intestinal species of the Platyhelminthes Cestoda

Answer 9

Taenia saginata
Taenia solium
Hymenolepis diminuta
Hymenolepis nana
Dipylidium caninum
Diphyllobothrium latum

Question 10

Intestinal-Extraintestinal Species of the Platyhelminthes Cestoda

Answer 10

Echinococcus granulosus

Question 11

Two medically important orders of the Cestodes

Answer 11

Pseudophyllidea and Cyclophyllidea

Question 12

Eggs are released by rupturing, disintegrating, or passing through the uterine pore

Answer 12

Gravidity

Question 13

the part which is an anterior attachment organ that contains parts like acetabula/hooks

Answer 13

Scolex (head)

Question 14

the part which is the region of growth; the part which is immediately behind the head; part where segmentation or strobilization originates

Answer 14

Neck

Question 15

the part which is composed of chain of segments/proglottids

Answer 15

Strobila (body/trunk)

Question 16

Cestodes are monoecious or have the reproductive organ of both sexes capable of self-fertilization; also known as

Answer 16

Hermaphrodites

Question 17

Cestodes originated from a Greek word which means girdle or ribbon

Answer 17

Kestos

Question 18

Parasites from this order of the Cestoda have a globular scolex with four muscular suckers (acetabula) and has some apical protrusion (rostellum)

Answer 18

Cyclophyllidea

Question 19

Parasites from this order of the Cestoda have segments/proglottids with genital pore but has no uterine pore and aploytic (shedding segments)

Answer 19

Cyclophyllidea

Question 20

Parasites from this order of the Cestoda have segments/proglottids with genital pore, has a uterine pore and is anaploytic (non-shedding segments)

Answer 20

Pseudophyllidea

Question 21

Parasites from this order of the Cestoda has a scolex that is spatulate with sucking grooves (bothria)

Answer 21

Pseudophyllidea

Question 22

One must recover this to consider that the treatment is successful

Answer 22

Scolex (head)

Question 23

Parasites from this order of the Cestoda have eggs that are covered by one layer; eggshell, ovoid in shape, freshly passed eggs in feces are unembryonated, and eggs are operculated

Answer 23

Pseudophyllidea

Question 24

Parasites from this order of the Cestoda have eggs that are covered by two-layer; eggshell and embryophore, spherical in shape, embryonated from the beginning, and eggs are not operculated and the embryo is not ciliated

Answer 24

Cyclophyllidea

Question 25

Solid elongated infective larva. Usually occurring in the muscle of fishes

Answer 25

Plerocercoid

Question 26

Ciliated first-stage aquatic embryo

Answer 26

Coracidium

Question 27

Solid first parasitic larva that develops usually in the body cavity of a copepod

Answer 27

Procercoid

Question 28

A structure pertaining to a lid/door

Answer 28

Operculum

Question 29

Yello-brown shell present on selected tapeworms; the outer cellular covering of the hexacanth embryo

Answer 29

Embryophore

Question 30

The embryo of tapeworms characterized by thee pairs of hooks which are used for penetration through the gut of the intermediate host

Answer 30

Hexacanth Embryo

Question 31

Another term of Hexacanth embryo

Answer 31

Oncosphere

Question 32

Gravid segments are detached from the main body of the worm and eggs are eventually released, hence, segments can also be observed in stools

Answer 32

Apolysis

Question 33

Species under the order Pseuphyllidea

Answer 33

Diphyllobothrium latum

Question 34

Species under the order Cyclophyllidea

Answer 34

``` Taenia saginata Taenia solium Hymenolepis diminuta Hymenolepis nana Dipylidium caninum Echinococcus granulosus ```