Introduction

Question 1

What are rows of papillae around the rim of the buccal capsule called?

Answer 1

Leaf crowns

Question 2

What are spine-like or finger-like processes that serve sensory or protective functions?

Answer 2

Cervical or caudal papillae

Question 3

What are cervical or caudal alae?

Answer 3

Flattened, wing-like expansions of the cuticle in the esophagus or tail region

Question 4

What structure embraces the female during copulation?

Answer 4

Copulatory bursa

Question 5

What is derived from much expanded caudal alae and is highly developed in which species?

Answer 5

Copulatory bursa, strongylids

Question 6

What is present in the superfamily Spiruroidea with plate-like and cord-like ornamentation?

Answer 6

Plaque and Cordon

Question 7

In which species are leaf crowns most prominent?

Answer 7

Horse nematodes

Question 8

What is the depression on each side of the head called?

Answer 8

Amphids

Question 9

What are phasmids?

Answer 9

Depressions on the posterior extremity acting as chemoreceptors

Question 10

What is situated behind the anal or cloacal opening?

Answer 10

Tail

Question 11

What do you call the region between muscle and alimentary canal?

Answer 11

Perienteric space

Question 12

What component serves the function of blood?

Answer 12

Oxyhemoglobin

Question 13

What is the fluid that causes high pressure maintaining the turgidity and shape of the nematode?

Answer 13

Pseudoceole or perienteric fluid

Question 14

What structure serves the function of a brain?

Answer 14

Circumesophageal ring

Question 15

What is a spicule?

Answer 15

The structure that opens in the cloaca during copulation for attachment and to expand the vagina and direct the flow of sperms

Question 16

Define gobernaculum.

Answer 16

Cuticular thickening in the dorsal wall of cloaca which guides the spicule

Question 17

What is an ovijector?

Answer 17

A short muscular organ located at the junction of the uterus and vagina assisting in egg laying

Question 18

What is the structure that has the same function as an ovijector and is found in some trichostrongylids?

Answer 18

Not specified

Question 19

What are the characteristics of the inner layer of egg shells?

Answer 19

Thin, lipid characteristics, impermeable

Question 20

What are the characteristics of the middle layer of egg shells?

Answer 20

Tough, chitinous, yellowish in color when thick

Question 21

Which species have cuticles with special adhesive structures like hooks?

Answer 21

Tetrameres and Rictularia

Question 22

Which species have cuticles with one or more complicated thickenings?

Answer 22

Gongylonema, Acuaria

Question 23

Which species have a cuticle with a crescent cephalic collar?

Answer 23

Physaloptera

Question 24

What is the structure formed from the underlying syncytium of cells called hypodermis?

Answer 24

Cuticle

Question 25

Which species are known to not have a spicule?

Answer 25

Trichinella

Question 26

What is the treatment of trichuris infection in sheep?

Answer 26

Fenbendazole

Question 27

Dichlorvos is used for the treatment of trichuris infection in which animals?

Answer 27

Dogs

Question 28

Fenbendazole is used for the treatment of trichuris infection in which animals?

Answer 28

Dogs, swine, sheep

Question 29

What are small adult bodies resembling Trichuris that lie partially in MM or may be buried in tissues?

Answer 29

Capillaridae

Question 30

innervated invaginations of cuticle usually found in the anterior region at the base of the lips

Answer 30

amphids

Question 31

unicellular sensilia smaller in the lateral tail region

Answer 31

phasmids

Question 32

caudal alae which extends to the tail tip

Answer 32

peloderan

Question 33

caudal alae anterior to tail tip

Answer 33

leptoderan

Question 34

caudal alae surrounding the cloaca

Answer 34

arakoderan

Question 35

inflations of the cuticle around the mouth opening and in the esophageal region

Answer 35

cephalic and cervical vesicles

Question 36

type of female who lays unsegmented or unembryonated eggs

Answer 36

oviparous

Question 37

spp lays unsegmented or unembryonated eggs

Answer 37

ascaris, trichuris

Question 38

lays egg containing fully developed embryo

Answer 38

ovoviviparous

Question 39

spp with ovoviviparous females

Answer 39

Metastrongylus, Dictyocaulus

Question 40

lays fully developed L1 from the uterus

Answer 40

viviparous

Question 41

spp with viviparous females

Answer 41

Trichinella

Question 42

reproduces egg without male involvement

Answer 42

parthenogenetic

Question 43

synthesis of a new cuticle by hypodermis

Answer 43

exsheathment

Question 44

species which autoinfection of the host may occur

Answer 44

Strongyloides, Stercoralis, Capillaria philippinensis, Filaroides, Probstmayria

Question 45

medium to large, non-bursate nematodes with direct life cycle

Answer 45

Ascaridida

Question 46

small to medium, bursate nematodes with direct or indirect life cycles

Answer 46

Strongylida

Question 48

Medium to large, non-bursate nematodes with direct life cycle

Answer 48

Ascaridida

Question 49

Small, bursate nematodes, mostly free living with direct life cycle

Answer 49

Rhabditida

Question 50

small to large nematodes, mostly non bursate with direct or indirect life cycle

Answer 50

Enoplida

Question 51

Small to medium, bursate nematodes with direct or indirect life cycle

Answer 51

Strongylida

Question 52

Small to medium, non bursate nematodes with indirect life cycle

Answer 52

Spirurida

Question 53

Also known as rainworms

Answer 53

Mermis subnigrescens

Question 54

Known as horsehair worms

Answer 54

Nematomorphs