nematodes

Question 1

largest nematode infecting human

Answer 1

Ascaris lumbricoides

Question 2

adult worm has 3 prominent lips at anterior ends

Answer 2

Ascaris lumbricoides

Question 3

lung-heart migrators

Answer 3

1. Ascaris lumbricoides
2. Strongyloides
3. Hookworm

Question 4

Soil-transmitted helminths

Answer 4

1. Hookworm
2. Ascaris lumbricoides
3. Trichuris
4. Strongyloides

Question 5

Unholy trinity

Answer 5

1. Ascaris lumbricoides
2. Trichuris
3. Hookworm

Question 6

eggs: barrel-shaped with bipolar plugs

Japanese lantern

Answer 6

Trichuris trichiura

Question 7

hookworms with cutting plates

Answer 7

N. americanus

new world

Question 8

hookworms with 2 pairs of teeth

Answer 8

A. duodenale

Old world

Question 9

cutaneous larva migrans

Answer 9

Ancylostoma

hookworms

Question 10

egg: morula balls

Answer 10

hookworm

Question 11

causes iron deficiency anemia

Answer 11

hookworm

Question 12

visceral larva migrans

Answer 12

Toxocara

Question 13

difference of hookworm from Strongyloides

Answer 13

hookworm has longer buccal, inconspicuous genital primordium

Question 14

threadworm

Answer 14

Strongyloides stercoralis

Question 15

nematode that reproduce parthenogenetically

no male

Answer 15

Strongyloides stercoralis

Question 16

pinworm/society worm

Answer 16

Enterobius vermicularis

Question 17

symptoms produced by E. vermicularis during night with irritability and loss of sleep

Answer 17

nocturnal pruritus ani

Question 18

egg: flat bipolar plugs

Answer 18

Capillaria philippinensis

Question 19

reservoir of Capillaria philippinensis

Answer 19

fish-eating birds

Question 20

intermediate host of Capillaria philippinensis

Answer 20

fish

Question 22

muscle worm

Answer 22

Trichinella spiralis

Question 24

guinea worm

fiery serpent of Israelites

Answer 24

Dracunculus medinensis

Question 25

longest nematode of man

Answer 25

Dracunculus medinensis

Question 26

disease assoc.: **acute eosinophilic meningitis**

Answer 26

Angiostrongylus cantonensis

Question 27

intermediate host of *Angiostrongylus cantonensis*

Answer 27

snails and slugs

Question 28

paratenic hosts of *Angiostrongylus cantonensis*

Answer 28

shrimps and crabs

Question 29

African eye worm

Answer 29

Loa loa

Question 30

convoluted worm

Answer 30

Onchocerca volvulus

Question 31

nematodes that penetrates the skin

Answer 31

hookworm and Strongyloides

Question 32

diagnostic stage of Strongyloides

Answer 32

Rhabditiform larvae

Question 33

adult worms that resides in large intestine

Answer 33

Trichuris and Enterobius

Question 34

infective and diagnostic stage of Trichinella

Answer 34

encysted larva

Question 35

intermediate host of Dracunculus medinensis

Answer 35

copepods

Question 36

infective and diagnostic stage of Enterobius

Answer 36

**embryonated** egg

Question 37

male adults die after sex

Answer 37

Enterobius vermicularis

Question 38

nematodes that have **embryonated eggs** as infective stage

Answer 38

Ascaris, Trichuris, Enterobius, and Toxocara

Question 39

double-walled **D-shaped** eggs

Answer 39

E. vermicularis

Question 40

nematode with **short buccal** but **long genital primordium**

Answer 40

Strongyloides stercoralis

Question 41

infective stage of D. medinensis to copepod

Answer 41

rhabditiform (L1)

Question 42

infective stage of D. medinensis to human

Answer 42

filariform (L3)

Question 43

filarial worms with vectors: *Aedes, Anopheles, and Culex*

Answer 43

Wuchereria bancrofti

Question 44

filarial worm that resides in upper lymphatics

Answer 44

Brugia malayi

Question 45

filarial worm that with 2 separate nuclei

Answer 45

B. malayi

Question 46

filarial worms that resides in lower lymphatics

Answer 46

W. bancrofti

Question 47

River blindness

Answer 47

O. vulvulus

Question 48

filarial worm with **skin snips** as specimen of choice

Answer 48

O. volvulus

Question 49

filarial worm with diurnal variation

Answer 49

Loa loa

Question 50

filarial worm from *Chrysops*

Answer 50

Loa loa

Question 51

infective stage of filarial parasites to mosquito-vectors

Answer 51

microfilariae

Question 52

infective stage of filarial parasites to human

Answer 52

filariform

Question 53

diagnostic stage of filarial worms

Answer 53

adult microfilariae

Question 54

filarial worm with continuous nuclei

Answer 54

Loa loa

Question 55

filarial worm from *Simulium*

Answer 55

O. volvulus