Blood and tissue nematodes II Flashcards

Mansonella Ozzardi, Mansonella Perstans, Trichinella Spiralis, Dracunculus Medenensis, Angiostrongylus Cantonensis

1
Q

Common name of Mansonella Ozzardi

A

New world filaria

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2
Q

Transferred by the injection of infective larvae to the human definitive host.

A

Mansonella Ozzardi

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3
Q

It is found in the blood as well as in the capillaries and intravascular spaces of skin.

A

Microfilaria

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4
Q

The emerging adults may take up residence in the body cavities, visceral fat and mesenteries.

A

Mansonella Ozzardi

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5
Q

Found exclusively in western hemisphere.

A

Mansonella Ozzardi

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6
Q

Known to exist in North, central, and south america, as well as part of west indies and carribean.

A

Mansonella Ozzardi

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7
Q

The parasite may be transmitted by culicoides midges or simulium blackfly.

A

Mansonella Ozzardi

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8
Q

Asymptomatic infections are common, symptoms such as urticaria, lymphadenitis, skin itching, and arthralgias may occur.

A

Mansonella Ozzardi

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9
Q

Common name of Mansonella Perstans

A

Perstans Filaria

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10
Q

Its life is similar to M. ozzardi

A

Mansonella Perstans

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11
Q

The only vector of Mansonella Perstans

A

Culicoides sucking midges

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12
Q

Primary definitive host in the life cycle of Mansonella Perstans.

A

Humans

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13
Q

The incubation period of this organism once inside the host is unknown.

A

Mansonella Perstans

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14
Q

Infection rates are high in areas endemic to the culicoides sucking midges.

A

Mansonella Perstans

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15
Q

They are thought to harbor M. perstans or a closely related species as reservoir hosts.

A

Primates

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16
Q

Adult ____ worms usually appear singly.

A

M. perstans

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17
Q

Minor allergic reactions or no symptoms at all, are experienced by the infected individuals.

A

Mansonella Perstans

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18
Q

These individuals may exhibit moderate eosinophilia.

A

Mansonella Perstans

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19
Q

Responsible for joint and bone pain, as well as enlargement and associated pain in the liver.

A

Mansonella Perstans

20
Q

Disease associated in Trichinella Spiralis

A

Trichinosis, Trichinellosis

21
Q

It is found worldwide, particularly in members of the meat-eating population.

A

T. spiralis

22
Q

It is known as the great imitator.

A

Trichinella Spiralis

23
Q

Common name of Dracunculus Medenensis

A

Guinea worm
Fiery serpent of the Israelites
Medina worm
Dragon worm

24
Q

Disease associated in Dracunculus Medenensis

A

Dracunculosis
Dracunculiasis
Guinea worm infection

25
Q

It is found in parts of Africa, India, Asia, Pakistan, and the Middle East.

A

Guinea worm

26
Q

Copepods reside in fresh water, located particularly in areas called step wells, from which people obtain drinking water and bathe.

A

Dracunculus Medenensis

27
Q

Copepods reside in fresh water, located particularly in areas called?

A

step wells

28
Q

Larvae escape from the ulcers of infected persons who come into contact with this water

A

First-stage D. medenensis

29
Q

Ponds, human-made water holes, and
standing water may also serve as sources of infection.

A

Dracunculus Medenensis

30
Q

There are a number of known reservoir hosts, including dogs.

A

Dracunculus Medenensis

31
Q

Allergic reactions: as migration of the organism occurs

A

Dracunculus Medenensis

32
Q

Secondary bacterial infections: may cause disability or even death.

A

Dracunculus Medenensis

33
Q

as migration of the organism occurs.

A

Allergic reactions

34
Q

May cause disability or even death.

A

Secondary bacterial infections

35
Q

Gravid female settles into the subcutaneous tissues and lays her larvae.

A

painful ulcer

36
Q

Unsuccessful attempts to remove an entire adult female worm may result in a partial worm being left at the site and subsequent toxic reactions in the ulcer.

A

Dracunculus Medenensis

37
Q

Additional allergic reactions and nodule formation may develop on the death and calcification of an adult worm.

A

Dracunculus Medenensis

38
Q

Common name of Angiostrongylus Cantonensis

A

Angiostrogylosis, Angystronggyliasis

39
Q

Intermediate host of Angiostrongylus Cantonensis

A

slugs and snails

40
Q

First reported by Nomura and Lin from Taiwan.

A

Angiostrongylus Cantonensis

41
Q

Nishimura and Yogore in the Philippines.

A

Angiostrongylus Cantonensis

42
Q

Clinical symptoms — stiffness of the neck, weakness of the muscles, abdominal pain, nausea, vomiting, peripheral eosinophilia, facial paralysis and low grade fever.

A

Angiostrongylus Cantonensis

43
Q

CSF contain 100-2000 leukocytes per μ

A

Angiostrongylus Cantonensis

44
Q

Charcot-Layden crystals in the meninges

A

Angiostrongylus Cantonensis

45
Q

(giant african snail)

A

Achatina fulica

46
Q

Bentonite flocculation test.

A

Trichinella spiralis