Aschelminthes

Question 1

Whipworm

Answer 1

Trichuris trichuria

Question 2

Old world hookworm

Answer 2

Ancylostoma duodenale

Question 3

New world hookworm

Answer 3

Necator americana

Question 4

Pinworm

Answer 4

Enterobius vermicularis

Question 5

Filarial worm

Answer 5

Wuchereria bancrofti

Question 6

Guinea worm

Answer 6

Dracunculus medinensis

Question 7

Eye worm

Answer 7

Loa loa

Question 8

Lung worm

Answer 8

Metastrongylus

Question 9

Heartworm/ Dog heartworm

Answer 9

Dirofilaria immitis

Question 10

Thread worm

Answer 10

Strongyloides

Question 11

Excretory organ in nematodes

Answer 11

Protonephridia/ Renette cells/ Giant cells

Question 12

Chemo-olfactory receptor in aschelminthes

Answer 12

Amphid

Question 13

Glandulosensory organ

Answer 13

Phasmid

Question 14

Larval forms of aschelminthes

Answer 14

Rhabditiform, Filariform, Microfilaria

Question 15

Auxetic growth

Answer 15

Growth in cells only without division

Question 16

Non-parasitic phasmida

Answer 16

Rhabditis

Question 17

Ascaris is found in

Answer 17

Jejunum of small intestine

Question 18

Number of lips in Ascaris

Answer 18

Three

Question 19

Sensory paillae

Answer 19

2 in mid-dorsal lip
1 each in ventro-lateral lips

Question 20

Amphid present in

Answer 20

1 each in ventro-lateral lips

Question 21

Number of apertures in Ascaris

Answer 21

3 in male (mouth, excretory pore, cloaca)
4 in female (mouth, excretory pore, gonopore, anus)

Question 22

Part of ascaris insoluble in KOH

Answer 22

Cuticle

Question 23

Muscles in ascaris

Answer 23

Circular muscle layer absent, longitudinal beneath epidermis

Question 24

Enzymes in ascaris secreted by

Answer 24

Gland cells of pharynx

Question 25

Reserve food of Ascaris

Answer 25

Glycogen in syncytial epidermis

Question 26

Reproductive organs of Ascaris

Answer 26

1. Monodelphic telogonic testes
2. Didelphic telogonic ovaries

Question 27

Fertilization in Ascaris

Answer 27

Occurs in uterus

Question 28

Larva of Ascaris

Answer 28

Rhabditiform

Question 29

Moults in Ascaris

Answer 29

1. Zygote develops into juvenile in 10-14 days
2. 1st moult in soil
3. 2nd and 3rd moult in lungs.
4. 4th moult in small intestine.

Question 30

Wandering journey of Ascaris

Answer 30

20 days

Question 31

Migratory route of Ascaris

Answer 31

Outside ➡️ Intestine ➡️ Liver ➡️ Heart ➡️Lungs ➡️ Trachea ➡️ Oesophagus ➡️ Intestine

Question 32

Drugs used against ascaris

Answer 32

Alcopar, Piperazine, Oil of chenopodium

Question 33

Most dangerous intestinal nematode

Answer 33

Ancyclostoma duodenale

Question 34

Larvae of Ancyclostoma

Answer 34

Eggs ➡️ Rhabditiform ➡️ Filariform (Infective)

Question 35

Moults in Ancyclostoma

Answer 35

Twice in soil, once in oesophagus and final in small intestine

Question 36

Infective stage of whipworm

Answer 36

Embryonated eggs

Question 37

Disease caused by pinworm

Answer 37

Enterobiasis, Oxyriasis

Question 38

Infections in whipworm

Answer 38

Autoinfection by itching.
Retroinfection by entry through rectum.

Question 39

Site of infection of Wuchereria bancrofti

Answer 39

Lymph nodes and lymphatic vessels

Question 40

Disease caused by Wuchereria bancrofti

Answer 40

Elephantiasis, filariasis

Question 41

Hosts of Wuchereria bancrofti

Answer 41

Primary : Man and vertebrates
Secondary : Culex (simetimes anopheles and aedes)

Question 42

Drugs used to cure filariasis

Answer 42

Antimony and arsenic compounds

Question 43

Smallest intestinal nematode

Answer 43

Trichinella spiralis

Question 44

Hosts of Loa loa

Answer 44

Primary : Humans and baboons
Secondary : Chrysops (Mango flies)

Question 45

Largest and longest nematode in man

Answer 45

Dracunculus medinensis

Question 46

Hosts of Dracunculus

Answer 46

Primary : Man
Secondary : Cyclops