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Clinical Parasitology > Intestinal Tissue Nematodes II > Flashcards

Intestinal Tissue Nematodes II Flashcards

1
Q

Adults may lay a number of undeveloped eggs up to 250,000/day that are passed in the feces.

A

Ascaris lumbricoides (adults)

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2
Q

Terminal mouth: trilobate lips and a sensory papillae.

A

Ascaris lumbricoides (adults)

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3
Q

Trilobate lips and a sensory papillae.

A

Terminal mouth

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4
Q

Single female lays 4,672 to 16,888 per day with an average of 11,105 eggs and dies after deposition.

A

Enterobius vermicularis (adults)

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5
Q

A female lays approximately 3,000 to 10,000 eggs per day.

A

Trichuris trichiura (adults)

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6
Q

Each female worm can produce a total of over 60 million eggs over an average life span of 2 years.

A

Trichuris trichiura (adults)

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7
Q

Egg: Morula ball appearance

A

Hookworm egg

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8
Q

Has slender larva has a shorter esophagus than that of Strongyloides stercoralis.

[2 notable characteristics]

A

Hookworm

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9
Q

Has a distinct pointed tail.

[2 notable characteristics]

A

Hookworm filariform larva

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10
Q

Contains pair of cutting plates.

A

Necator americanus

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11
Q

Contains actual teeth.

A

Ancylostoma

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12
Q

Adult females lay 10,000 to 20,000 eggs/day.

A

Hookworm adults

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13
Q

Has a long esophagus, compared with that of the hookworm.

A

S. stercoralis

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14
Q

The tail of this, is notched, unlike that Hookworm which is pointed.

A

S. stercoralis

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15
Q

It is known to exist, the adult female is considered as parthenogenic, because there are no obvious morphologic structures to indicate that a male is not required for fertilization.

A

S. stercoralis

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16
Q

Rows of secretory cells present in the esophagus

A

Stichocytes

17
Q

Entire esophageal structure.

A

Stichosome

18
Q

Peanut shaped/guitar shaped with striated shells and flattened bipolar plugs.

A

Capillaria Philippinensis (egg)

19
Q

Intermediate host: freshwater/brackish water fish (bagsit in Ilocano)

A

Capillaria philippinensis

20
Q

Intermediate host of Capillaria Philippinensis

A

Freshwater/Brackish water fish

21
Q

[3] Triad of infection/Unholy 3

A

Hookworm
Ascaris
Trichuris

22
Q

[2] Habitat: Large intestine

A

Enterobius
Trichuris

23
Q

[2] Visceral larva migrans

A

Toxocora canis
Toxocora cati

24
Q

[4] Habitat: Small intestine

A

Capillaria
Ascaris
Strongyloides
Hookworms

25
Q

[3] Heart-to-lung migration

A

Ascaris
Strongyloides
Hookworms

26
Q

[2] Cutaneous Larva Migrans (creeping eruption)

A

Ancylostoma braziliense
Ancylostoma caninum

Clinical Parasitology (19 decks)

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