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Parasitology > Nematodes > Flashcards

Nematodes Flashcards

1
Q

FNAB

A

Find Needle Aspiration Biopsy

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2
Q

Red Blood Cell stool normal hpf

A

1-3

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3
Q

Unsegmented bodies covered with cuticle cylindrical tapered at both ends

A

Nematodes

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4
Q

Have complete digestive tract (oral/ anal openings)

A

Nematodes

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5
Q

Diecious

A

Nematodes

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6
Q

Ascaris lumbricoides common name

A

Giant Intestinal Roundworm

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7
Q

Giant Intestinal Roundworm scientific name

A

Ascaris lumbricoides

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8
Q

Ascaris lumbricoides disease of poverty

A

Loaffler’s Syndrome

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9
Q

Habitat of Ascaris lumbricoides

A

Small intestine

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10
Q

Mode of transmission of Ascaris lumbricoides

A

Ingestion of embryonated eggs

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11
Q

Infective stage of Ascaris lumbricoides

A

Embryonated ova

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12
Q

A female may produce approximately 200,000 eggs per day

A

Ascaris lumbricoides

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13
Q

Fertile eggs embryonate and become infective after 18 days to several weeks

A

Ascaris lumbricoides

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14
Q

Adult worms can live 1 to 2 years

A

Ascaris lumbricoides

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15
Q

Broadly oval, Presence of mammilation, and Stained as “golden brown” in fresh stool

A

Fertilized ova of Ascaris lumbricoides

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16
Q

Outer covering: Albuminoid coat

A

Fertilized ova of Ascaris lumbricoides

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17
Q

Lecithin granules, Longer and narrower, and Thin inner shell and albuminous coat

A

Unfertilized ova of Ascaris lumbricoides

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18
Q

FECT

A

Formalin Ether Concentration Technique

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19
Q

Trichuris trichiura common name

A

Whipworm

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20
Q

Whipworm scientific name

A

Trichuris trichiura

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21
Q

Habitat of Trichuris trichiura

A

Large intestine (ileo-cecal region)

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22
Q

Mode of transmission of Trichuris trichiura

A

Ingestion of embryonated eggs

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23
Q

Infective stage of Trichuris trichiura

A

Embryonated ova

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24
Q

Straight posterior end

A

Adult female of Trichuris trichiura

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25
Q

Coiled tail - 360°

A

Adult male of Trichuris trichiura

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26
Q

(Barrel/Football shaped, Chinese-Lantern shaped, Lemon shaped) “with refractile bi-polar plugs”

A

Ova of Trichuris trichiura

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27
Q

Necator americanus common name

A

New World Hookworm

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28
Q

New World Hookworm scientific name

A

Necator americanus

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29
Q

Life cycle phase of Necator americanus

A

Blood-lung phase

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30
Q

Habitat of Necator americanus

A

Small intestine

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31
Q

Mode of transmission of Necator americanus

A

Skin penetration of filariform larvae

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32
Q

Infective stage of Necator americanus

A

Filariform larvae

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33
Q

Dew itch/Ground itch (local irritation at the site of infection)

A

Necator americanus

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34
Q

type of anemia in Hookworm

A

Microcytic Hypochromic Anemia

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35
Q

Hookworm Disease

A

Miner’s Disease

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36
Q

Blood loss caused by Hookworm per day

A

0.03 ml/day

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37
Q

S - shaped

A

Necator americanus

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38
Q

Life span: 14 years

A

Necator americanus

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39
Q

Ancylostoma duodenale common name

A

Old World Hookworm

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40
Q

Old World Hookworm scientific name

A

Ancylostoma duodenale

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41
Q

Habitat of Ancylostoma duodenale

A

Small intestine

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42
Q

Mode of transmission of Ancylostoma duodenale

A

Skin penetration of filariform larvae or Ingestion of contaminated food

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43
Q

Infective stage of Ancylostoma duodenale

A

Filariform larvae

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44
Q

Blood loss caused by Ancylostoma duodenale per day

A

0.15 - 0.25 ml/day

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45
Q

C - shaped

A

Ancylostoma duodenale

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46
Q

Life span: 1 year

A

Ancylostoma duodenale

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47
Q

Two pairs of cutting teeth

A

Ancylostoma duodenale

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48
Q

Ancylostoma braziliense common name

A

Cat Hookworm

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49
Q

Cat Hookworm scientific name

A

Ancylostoma braziliense

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50
Q

Disease of Ancylostoma braziliense

A

Cutaneous Larva Migrans

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51
Q

Mode of transmission of Ancylostoma braziliense

A

Skin penetration of filariform larvae

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52
Q

Shortest Lifespan

A

Ancylostoma braziliense

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53
Q

Infective stage of Ancylostoma braziliense

A

Third stage larvae

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54
Q

Blood Suckers

A

Hookworm

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55
Q

Flat worms

A

Cestodes

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56
Q

Round worms

A

Nematodes

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57
Q

Ancylostoma caninum common name

A

Dog Hookworm

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58
Q

Dog Hookworm scientific name

A

Ancylostoma caninum

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59
Q

Disease of Dog Hookworm

A

Eosinophilic enteritis

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60
Q

Mode of transmission of Ancylostoma caninum

A

Skin penetration of filariform larvae

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61
Q

Infective stage of Ancylostoma caninum

A

Third stage larvae

62
Q

Longest lifespan

A

Ancylostoma caninum

63
Q

6 - 8 cell stages

A

Ova of Hookworm

64
Q

Three pairs of teeth

A

Ancylostoma caninum

65
Q

Semi luna cutting plate

A

Necator americanus

66
Q

Feeding stage of Hookworm

A

Rhabditiform larvae

67
Q

One of the smallest nematodes

A

Capillaria philippinensis

68
Q

Strongyloides stercoralis common name

A

Threadworm

69
Q

Threadworm scientific name

A

Strongyloides stercoralis

70
Q

Disease: Skin pruritus (itchy skin), diarrhea with malabsorption

A

Strongyloides stercoralis

71
Q

Habitat of Strongyloides stercoralis

A

Small intestine

72
Q

Mode of Transmission of Strongyloides stercoralis

A

Skin penetration of filariform larvae

73
Q

Infective stage of Strongyloides stercoralis

A

Filariform larvae

74
Q

Embryonic development takes place inside the mother’s body

A

VIVIPAROUS

75
Q

Lay eggs containing larvae that hatches out immediately

A

OVO-VIVIPAROUS

76
Q

Lays eggs

A

Oviparous

77
Q

Lacks bulb on the esophagus

A

Strongyloides stercoralis (Filariform larvae)

78
Q

Club-shaped esophagus w/ posterior bulb

A

Strongyloides stercoralis (Rhabditiform larvae)

79
Q

Harada Mori diagnosis after 5 days

A

Strongyloides stercoralis

80
Q

Enterobius vermicularis common name

A

Pinworm, Seat worm, Community worm

81
Q

Pinworm, Seat worm, Community worm scientific name

A

Enterobius vermicularis

82
Q

Pruritus ani

A

Perianal itching

83
Q

Habitat of Enterobius vermicularis

A

Large Intestine

84
Q

Mode of Transmission of Enterobius vermicularis

A

Ingestion of Embryonated egg

85
Q

Diagnosis for Enterobius vermicularis

A

Scotch-tape method/technique

86
Q

D-shaped and flattened on one side

A

Ova of Enterobius vermicularis

87
Q

Capillaria philippinensis common name

A

Pudoc’s Worm

88
Q

Pudoc’s Worm scientific name

A

Capillaria philippinensis

89
Q

Habitat of Capillaria phillipinensis

A

Small Intestine

90
Q

Disease of Capillaria phillipinensis

A

Capillariasis

91
Q

Mode of Transmission of Pudoc’s Worm

A

Ingestion of Contaminated fish or Ingestion of raw or undercooked fish

92
Q

Infective stage of Capillaria phillipinensis

A

Third stage larvae/L3

93
Q

Who discovered Capillaria phillipinensis?

A

Nelia P. Salazar

94
Q

Clinical symptom of Capillaria phillipinensis

A

Borborygmus or Gurgling stomach

95
Q

Flat bi-polar end, striated ova, PEANUT shaped

A

Ova of Capillaria phillipinensis

96
Q

Trichinella spiralis common name

A

Trichina worm

97
Q

Trichina worm scientific name

A

Trichinella spiralis

98
Q

Tissue Nematode

A

Trichinella spiralis

99
Q

Disease of Trichinella spiralis

A

Muscle pains

100
Q

Habitat of Trichinella spiralis

A

Muscle

101
Q

Mode of Transmission of Trichinella spiralis

A

Ingestion of undercooked pork

102
Q

Diagnosis of Trichinella spiralis

A

Muscle biopsy

103
Q

Periodicity: Diurnal

A

Morning

104
Q

Periodicity: Non periodic

A

Any time of the day

105
Q

Periodicity: Nocturnal

A

Night

106
Q

Periodicity: Sub periodic

A

sudden increase at night time

107
Q

Wuchereria bancrofti common name

A

Bancrofti filarian worm

108
Q

Bancrofti filarian worm scientific name

A

Wuchereria bancrofti

109
Q

Periodicity of Wuchereria bancrofti

A

Nocturnal

110
Q

Cephalic space of Wuchereria bancrofti

A

As long as wide

111
Q

Kinky curve

A

Wuchereria bancrofti

112
Q

Graceful curve

A

Brugia malayi

113
Q

No nucleus in tip of tail

A

Wuchereria bancrofti

114
Q

Cephalic space of Brugia malayi

A

Longer than broad

115
Q

Brugia malayi common name

A

Malayan worm

116
Q

Malayan worm scientific name

A

Brugia malayi

117
Q

Blood Flukes

A

Schistosoma

118
Q

Abnormal accumulation of lymph in tissues

A

Lymphedema

119
Q

Resembling the thick, round appearance of an Elephant’s leg

A

Elephantiasis

120
Q

Painless swelling of one or both testicles

A

Hydrocoele

121
Q

Blood and protein loss in urine

A

Kidney damage

122
Q

Mosquito vector

A

Wuchereria bancrofti and Brugia malayi

123
Q

Loa loa common name

A

African eye worm

124
Q

African eye worm scientific name

A

Loa loa

125
Q

Mode of transmission of Loa loa

A

Infective larvae in chrysops bite (mango fly bite)

126
Q

Vector for Loa loa filariasis

A

Chrysops silacea and Chrysops dimidiata

127
Q

Determine the species present

A

Thin smear

128
Q

Detecting the presence of parasites

A

Thick smear

129
Q

Difference of thin and thick smear

A

Speed, Angle, Drop-size

130
Q

Mode of transmission of Onchocerca volvulus

A

Larvae-infected black fly bite

131
Q

Disease of Onchocerca volvulus

A

River Blindness

132
Q

Diagnosis of Onchocerca volvulus

A

Microfilaria in blood films

133
Q

Onchocerca volvulus is occasionally found in?

A

Peripheral blood, urine, sputum

134
Q

Onchocerca volvulus especially found in the?

A

Eyes

135
Q

Angiostrongylus cantonensis common name

A

Rat Lungworm

136
Q

Rat Lungworm scientific name

A

Angiostrongylus cantonensis

137
Q

Disease of Angiostrongylus cantonensis

A

Eosinophilic Meningoencephalitis

138
Q

Man served as what host in Angiostrongylus cantonensis?

A

Accidental Host

139
Q

Barber’s pole pattern

A

Angiostrongylus cantonensis

140
Q

Infective stage of Angiostrongylus cantonensis

A

Third stage larvae/ L3

141
Q

Eosinophils

A

White blood cells

142
Q

Mode of transmission of Angiostrongylus cantonensis

A

Drinking of contaminated water

143
Q

Dracunculus medinensis common name

A

Guinea worm

144
Q

Guinea worm scientific name

A

Dracunculus medinensis

145
Q

Mode of transmission of Dracunculus medinensis

A

Ingestion of contaminated larvae

146
Q

Infective stage of Dracunculus medinensis

A

Third stage larvae/ L3

147
Q

Longest nematode

A

Dracunculus medinensis

148
Q

Painful ulcerating blister

A

Dracunculus medinensis

149
Q

Disease of Dracunculus medinensis

A

The fiery serpent

150
Q

Worm is in a joint or wrapped around a vein

A

Petrification

151
Q

Skin sloughing off around the worm

A

Putrefaction

Parasitology (4 decks)

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