General Characteristics of Nematodes

Question 1

Nematodes basically named as _________

Answer 1

> Roundworms

Question 2

Elongated, Cylindrical, _______ worms with tapering ends.

Answer 2

> Unsegmented

Question 3

Thick hyaline protective coating; defense mechanism.

Answer 3

> Cuticula

Question 4

Male is generally _______ than female with posterior end which is either ________ or _______

Answer 4

> Smaller, Curved, Coiled

Question 5

Separate Sexes (Male & Female)

Answer 5

> Dioecious

Question 6

Complete with mouth, nervous system and digestive system.

Answer 6

All the nutrients eaten by the children were also eaten by the parasites; there trying to find the host so that they can benefit.

Question 7

One host and More than one host in nematodes.

Answer 7

Homoxenous and Heteroxenous

Question 8

All are equipped with amphid _______, and what is the directional anatomical term for this question?

Answer 8

Cephalic Chemoreceptor and Found Anteriorly

Question 9

Give the 2 correct answer

All are equipped with ______ , (________) Found Posteriorly

Answer 9

Phasmid and Caudal Chemoreceptor

Question 10

What TTC Stands for?
Aphasmidea (adenoohorea)

Answer 10

Trichuris trichichiura, Trichinella spiralis, Capilaria

Question 11

What SAHE Stands for?
Phasmidea (secerrnentia)

Answer 11

• Strongyloides stercoralis
• Ascaris lumbricoides
• Hookworm
• Enterobius vermicularis

Question 12

What is the species for the common name of “Pudoc Worm (Ilocos Norte)?

Answer 12

> Capillaria phillipinensis

Question 13

What is the species for the common name of Giant intestinal roundworm/ Eel worm/ Roundworm of man?

How many inches?

Answer 13

Ascaris lumbricoides for almost 12 in.

Question 14

What is the species for the common name of Threadworm?

Answer 14

> Strongyloides stercoralis

Question 15

What is the species for the common name of NEW WORLD hookworm and OLD WORLD hookworm?

Answer 15

Necator americanus and Ancylostoma duodenale

Question 16

What is the species for the common name of Whip worm with whip structure in what part?

Answer 16

Trichuris trichiura, Anterior part

Question 17

What is the species for the common name of Pinworm/Seatworm and it can be transmitted via what?

Answer 17

Enterobius vermicularis and can be transmitted via air

Question 18

Give the 2 species in Intestinal-Extra Intestinal Nematodes

Common Names:
1. Trichina worm or PORK MUSCLE Roundworm
2. Guinea worm, Dragon worm, Serpent worm

Answer 18

1. Trichinella Spiralis
2. Dracunculus Medinensis

Question 19

Give the 2 species in Blood and Tissue Nematodes (Lymphatic System)

Common Names:
1. Bancroft filarial
2. Malayan filarial

Answer 19

1. Wuchereria Bancrofti (can cause Elephantiasis)
2. Brugia Malayi

Question 20

Give the 3 species in Blood and Tissue Nematodes (Subcutaneous Tissue)

Common Names:
1. Eye worm
2. Convoluted filarial
3. Formely known as Dipetalonema streptocerca Parasite of chimpanzee

Answer 20

1. Loa Loa
2. Onchocerca Volvulus
3. Mansonella Streptocerca

Question 21

Give the 2 species in Blood and Tissue Nematodes (Serous Cavities)

Common Names:
1. Ozzard filarial/”New World Filaria”
2. Persistent filarial

Answer 21

1. Mansonella Ozzardi
2. Mansonella Perstans

Question 22

Enumerate the Species in Primarily Zoonotic Nematodes

Common Names:
1. Ascaris of Dogs
2. Ascaris of Cats
3. Hookworm of Dogs
4. Hookworm of Cats
5. DOG Heart Worm
6. RAT lung worm

Answer 22

1. Toxocara Canis
2. Toxocara Cati
3. Ancyclostoma Caninum
4. Ancyclostoma Braziliensi
5. Dirofilaria Immitis
6. Angiostrongylus Cantonensis

Question 23

Types of Female Nematodes:

1. Eggs without fully developed larva
2. Fully developed larva, do not produce egg
3. Eggs with fully developed larva

Answer 23

1. Oviparous
2. Viviparous
3. Ovoviparous

Question 24

Species name in Oviparous.

Answer 24

1. Ascaris lumbricoides
2. Trichuris trichiura
3. Hookworms

Question 25

Species name in Viviparous.

Answer 25

1. Trichinella spiralis 2. Dracunculus medinensis 3. Filarial worms

Question 26

Species name in Ovoviparous.

Answer 26

1. Enterobius vermicularis 2. Strongyloides stercoralis

Question 27

With flattened bipolar plugs.

Answer 27

> Typical Ova

Question 28

Without flattened bipolar plug.

Answer 28

> Atypical Ova

Question 29

Ingestion of __________ (Viable to become infective) and what are the species name?

Answer 29

Embryonated Egg 1. Ascaris lumbricoides 2. Trichuris trichiura 3. Enterobius vermicularis

Question 30

Ingestion of ________ within Intermediate Host and what are the species name?

Answer 30

Larvae 1. Dracunculus medinensis 2. Capillaria philippinesis

Question 31

Ingestion of Encysted Larvae in ________ and the species name?

Answer 31

Muscle of Definitive Host 1. Trichinella spiralis

Question 32

Skin Penetration of ________ and what are the species name?

Answer 32

Filariform Larva 1. Hookworms 2. Strongyloides stercoralis

Question 33

Skin Inoculation of _______ and the species name?

Answer 33

Third Stage Larva 1. Filarial worms

Question 34

Inhalation of ________ and what are the species name?

Answer 34

Dust containing Embryonated Egg (RARE) 1. Ascaris lumbricoides 2. Enterobius vermicularis

Question 35

Species in Heart to Lung Migration.

Answer 35

1. Hookworm 2. Ascaris 3. Strongyloides

Question 36

- Migration of immature or larva in various parts of the body. - Do not develop into adult worms but only elicit swelling, creeping eruption.

Answer 36

> Larva Migrans

Question 37

Species of Visceral Larva Migrans?

Answer 37

1. Toxocara canis 2. Toxocara cati 3. Ascaris suum: pigs 4. Baylisascaris procyonis: racoon roundworm

Question 38

Species for Cutaneous Larva Migrans (Creeping Eruption) "Sandworm disease"

Answer 38

1. Ancylostoma caninum 2. Ancyclostoma braziliense

Question 39

Specimen for Visceral Larva Migrans and Cutaneous Larva Migrans?

Answer 39

1. Blood 2. Skin scrape

Question 40

Eosinophilia for Visceral Larva Migrans and Cutaneous Larva Migrans?

Answer 40

1. Usually seen 2. Rarely seen

Question 41

Transmission for Visceral Larva Migrans and Cutaneous Larva Migrans?

Answer 41

1. Migrate through various internal organs. 2. Migrate through the skin of the host.

Question 42

Serological Test for Visceral Larva Migrans and Cutaneous Larva Migrans?

Answer 42

1. Well Developed 2. Not well developed