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parasitology > General Characteristics of Nematodes > Flashcards

General Characteristics of Nematodes Flashcards

1
Q

Nematodes basically named as _________

A

> Roundworms

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2
Q

Elongated, Cylindrical, _______ worms with tapering ends.

A

> Unsegmented

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3
Q

Thick hyaline protective coating; defense mechanism.

A

> Cuticula

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4
Q

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

A

> Smaller, Curved, Coiled

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5
Q

Separate Sexes (Male & Female)

A

> Dioecious

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6
Q

Complete with mouth, nervous system and digestive system.

A

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

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7
Q

One host and More than one host in nematodes.

A

Homoxenous and Heteroxenous

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8
Q

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

A

Cephalic Chemoreceptor and Found Anteriorly

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9
Q

Give the 2 correct answer

All are equipped with ______ , (________) Found Posteriorly

A

Phasmid and Caudal Chemoreceptor

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10
Q

What TTC Stands for?
Aphasmidea (adenoohorea)

A

Trichuris trichichiura, Trichinella spiralis, Capilaria

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11
Q

What SAHE Stands for?
Phasmidea (secerrnentia)

A
  • Strongyloides stercoralis
  • Ascaris lumbricoides
  • Hookworm
  • Enterobius vermicularis
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12
Q

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

A

> Capillaria phillipinensis

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13
Q

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

How many inches?

A

Ascaris lumbricoides for almost 12 in.

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14
Q

What is the species for the common name of Threadworm?

A

> Strongyloides stercoralis

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15
Q

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

A

Necator americanus and Ancylostoma duodenale

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16
Q

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

A

Trichuris trichiura, Anterior part

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17
Q

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

A

Enterobius vermicularis and can be transmitted via air

18
Q

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

A
  1. Trichinella Spiralis
  2. Dracunculus Medinensis
19
Q

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

Common Names:
1. Bancroft filarial
2. Malayan filarial

A
  1. Wuchereria Bancrofti (can cause Elephantiasis)
  2. Brugia Malayi
20
Q

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

A
  1. Loa Loa
  2. Onchocerca Volvulus
  3. Mansonella Streptocerca
21
Q

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

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

A
  1. Mansonella Ozzardi
  2. Mansonella Perstans
22
Q

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

A
  1. Toxocara Canis
  2. Toxocara Cati
  3. Ancyclostoma Caninum
  4. Ancyclostoma Braziliensi
  5. Dirofilaria Immitis
  6. Angiostrongylus Cantonensis
23
Q

Types of Female Nematodes:

  1. Eggs without fully developed larva
  2. Fully developed larva, do not produce egg
  3. Eggs with fully developed larva
A
  1. Oviparous
  2. Viviparous
  3. Ovoviparous
24
Q

Species name in Oviparous.

A
  1. Ascaris lumbricoides
  2. Trichuris trichiura
  3. Hookworms
25
Q

Species name in Viviparous.

A
  1. Trichinella spiralis
  2. Dracunculus medinensis
  3. Filarial worms
26
Q

Species name in Ovoviparous.

A
  1. Enterobius vermicularis
  2. Strongyloides stercoralis
27
Q

With flattened bipolar plugs.

A

> Typical Ova

28
Q

Without flattened bipolar plug.

A

> Atypical Ova

29
Q

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

A

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

30
Q

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

A

Larvae
1. Dracunculus medinensis
2. Capillaria philippinesis

31
Q

Ingestion of Encysted Larvae in ________ and the species name?

A

Muscle of Definitive Host
1. Trichinella spiralis

32
Q

Skin Penetration of ________ and what are the species name?

A

Filariform Larva
1. Hookworms
2. Strongyloides stercoralis

33
Q

Skin Inoculation of _______ and the species name?

A

Third Stage Larva
1. Filarial worms

34
Q

Inhalation of ________ and what are the species name?

A

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

35
Q

Species in Heart to Lung Migration.

A
  1. Hookworm
  2. Ascaris
  3. Strongyloides
36
Q
  • Migration of immature or larva in various parts of the body.
  • Do not develop into adult worms but only elicit swelling, creeping eruption.
A

> Larva Migrans

37
Q

Species of Visceral Larva Migrans?

A
  1. Toxocara canis
  2. Toxocara cati
  3. Ascaris suum: pigs
  4. Baylisascaris procyonis: racoon roundworm
38
Q

Species for Cutaneous Larva Migrans (Creeping Eruption) “Sandworm disease”

A
  1. Ancylostoma caninum
  2. Ancyclostoma braziliense
39
Q

Specimen for Visceral Larva Migrans and Cutaneous Larva Migrans?

A
  1. Blood
  2. Skin scrape
40
Q

Eosinophilia for Visceral Larva Migrans and Cutaneous Larva Migrans?

A
  1. Usually seen
  2. Rarely seen
41
Q

Transmission for Visceral Larva Migrans and Cutaneous Larva Migrans?

A
  1. Migrate through various internal organs.
  2. Migrate through the skin of the host.
42
Q

Serological Test for Visceral Larva Migrans and Cutaneous Larva Migrans?

A
  1. Well Developed
  2. Not well developed

parasitology (13 decks)

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