Parasitology Flashcards
(154 cards)
1
Q
Pear-shaped
A
Giardia, Chilomastix, Trichomonas
2
Q
Shepherd’s crook
A
Chilomastix mesnili cytostome
Tail of Mansonella streptocerca
Marburg virus
3
Q
Diarrheal outbreaks
A
Giardia, Dientamoeba, Cryptosporidium
4
Q
Malabsoption/steatorrhea
A
G. lamblia, Capillaria philippinensis
5
Q
Enterotest (string test)
A
G. lamblia, S. stercoralis
6
Q
Undulating membrane
A
Trichomonas, Trypanosoma (Trypomastigote)
7
Q
Leishmanial form
A
Amastigote
8
Q
Trypanosomal form
A
Trypomastigote
9
Q
Xenodiagnosis
A
Trypanosoma cruzi
Trichinella spiralis
10
Q
Diagnostic stage of T. brucei
A
Trypomastigote
11
Q
Diagnostic stage of T. cruzi
A
Amastigote (tissue)
Trypomastigote (blood)
12
Q
Diagnostic stage of Leishmania
A
Amastigote
12
Q
Thrown ball (rolling motion) motility
A
Balantidium coli
13
Q
Final host of sporozoans
A
Arthropod vector
14
Q
Black water fever
A
Plasmodium falciparum
15
Q
Black fever
A
Leishmania donovani
Dum-dum fever
16
Q
Visceral leishmaniasis
A
Leishmania donovani
17
Q
Mucocutaneous leishmaniasis
A
Leishmania braziliensis
18
Q
Resistant to P. vivax and P. knowlesi
A
Fy(a-b-)
19
Q
Resistant to P. knowlesi merozoites
A
M-N-
20
Q
Signet ring
A
Plasmodium vivax
21
Q
Serrated or fimbriated infected RBCs
A
Plasmodium ovale
22
Q
6-14 average 8 merozoites in schizont
A
Plasmodium ovale
23
Q
12-24 average 16 merozoites in schizont
A
Plasmodium vivax
24
Rosette/flower-like merozoites
Plasmodium malariae
25
8-38 average 24 merozoites in schizont
Plasmodium falciparum
26
Applique forms/accole/marginal, double nuclear dots
Multiple rings
Plasmodium falciparum
27
Stages seen in peripheral blood in P. falciparum
Ring forms and gametocytes
28
Older developing stages of P. knowlesi resemble those of
P. malariae (band trophozoites, rosette schizonts)
29
Early ring stages of P. knowlesi resemble those of
P. falciparum (multiple rings, double nuclear dots, applique form)
30
Maltese cross (tetrad ring form)
Babesia
31
Nantucket fever
Babesia microti and Babesia divergens
32
Texas cattle fever, Red water fever
Babesia
33
P. falciparum periodicity
every 36H
Malignant tertian malaria
34
P. ovale/vivax periodicity
every 48H
Benign tertian malaria
35
P. malariae periodicity
every 72H
Quartan malaria
36
P. knowlesi periodicity
every 24H
Quotidian malaria
37
Modified acid fast positive
Oocyst of coccidian
38
Coccidian oocyst are best examined using
Sheather's sugar flotation
39
Diarrhea in AIDS patient
Cryptosporidium parvum
40
Autofluorescence positive (UV microscopy)
Cyclospora cayatanensis
41
Cryptosporidium parvum infective stage
oocyst
42
Toxoplasma gondii
Definitive host
Accidental intermediate host
Cats
Man
43
Inhibition test for Toxoplasma gondii
Sabin-Feldman dye test
44
Ovoviviparous
Strongyloides stercoralis
Enterobius vermicularis
45
Cephalic chemoreceptors
Amphids
46
Caudal chemoreceptors
Phasmids
47
Aphasmids
Trichuris Trichinella Capillaria
48
Found in the small intestines
"CASHT"
Capillaria
Ascaris lumbricoides
Strongyloides stercoralis
Hookworms
Trichinella spiralis adult
49
Largest/longest nematode (overall)
Dracunculus medinensis
50
Largest intestinal nematode
Ascaris
51
Filariform larva (L3) as infective stage
Necator, Acylostoma, Strongyloides
52
Wuchereria, Brugia, and other filarial worms infective stage
Filiform larva (L3)
53
Soil transmitted helminths
"HATS"
Hookworms
Ascaris
Trichuris
Strongyloides
54
Heart-lung migration
"ASH"
Ascaris
Strongyloides
Hookworm
55
Found in large intestines
"ET"
Enterobius vermicularis
Trichuris trichiura
56
Trilobate lips/triangular buccal cavity
Ascaris
57
Double-layered: albuminous and lipoidal
Enterobius vermicularis
58
Most common helminth to infect man worldwide
Enterobius vermicularis
59
Most common helminth to infect man in the Ph
Ascaris lumbricoides
60
Coinfection with Enterobius vermicularis
Dientamoeba fragilis
61
Kato-katz
"SHAT"
Schistosomes
Hookworm
Ascaris
Trichuris
Clearing time at 60mins
62
Has atypical life cycle that is responsible for internal autoinfection
Capillaria philippinensis
63
Diagnostic stage of Capillaria
Ova in stool or larva
64
Infective stage of Capillaria
Larva found in fish
65
Most common helminthic infections
1. Ascaris
2. Hookworms
3. Trichuris
66
Transmammary can be MOT of
Ancylostoma duodenale
Strongyloides
67
Tripartite copulatory bursa
Ancylostoma duodenale
68
Barbed, bristle-like bipartite copulatory bursa
Necator americanus
69
Diagnostic stage of hookworms
Egg
70
Diagnostic stage of Strongyloides
Rhabditiform larva
71
Visceral larva migrans (VLM)
Toxocara cati, Toxocara canis
72
Cutaneous larva migrans (CLM)
Creeping eruption
Ancylostoma braziliense, Ancylostoma caninum
73
Urticarial dermal reaction
Ground itch
Hookworms
74
Pulmonary lesions and hemorrhage caused by hookworms
Wakana disease
75
Oral route can be MOT of hookworms
Ancylostoma ceylanicum (civet cat hookworm)
Ancylostoma duodenale
Ancylostoma caninum (animal hookworm)
76
Haradomori filter paper culture technique
Baermann funnel technique
Test to recover hookworm and threadworm filariform larva
77
Smallest nematode infecting man
Strongyloides stercoralis
78
Sheathed, pointed tail
Hookworm filariform larva
79
Unsheathed, notched tail
Strongyloides stercoralis filariform larva
80
Long buccal cavity
Small/inconspicuous genital primordium
Hookworm rhabditiform larva L1
81
Tracks under the skin from Strongyloides migration
Larva currens
82
Nutria itch
Strongyloides stercoralis
83
Chinese lantern egg
Cochin China diarrhea
Vietnam diarrhea
Strongyloides stercoralis
84
Trailing effect when placed on agar plates
Acanthamoeba/Naegleria
Strongyloides
85
Agar plate used for Strongyloides
Koga agar plate
86
Swollen belly syndrome
Strongyloides fuelleborni subsp. kellyi
87
Drug of choice for Strongyloides stercoralis and Filarial worms
Ivermectin
88
Morula ball
2-8 blastomeres
Hookworm egg
89
Infective and diagnostic stage of Trichinella
Encysted larva
90
Highest eosinophil count
Trichinella spiralis
91
Bentonite flocculation tests
Echinococcus granulosus
Trichinella spiralis
92
Trichinella treatment
Prednisone
93
Upper lymphatics
Brugia malayi
94
Lower lymphatics
Wuchereria bancofti
95
Smears for Filarial worms
2 thick smears (1 stained, 1 unstained)
96
Solitary, peripheral nodules in the lung (coin lesions)
Dirofilaria immitis (dog heartworm)
97
Thick cuticle and a large uterus that fills the body cavity and contains rhabditoid larvae
Dracunculus medinensis (Guinea/Serpent worm)
98
Intermediate host of Dracunculus immitis
Aquatic crustacean (copepods/cyclops)
99
Barber's pole appearance
Parastrongylus cantonensis (Rat lungworm)
(Cerebral/Neural angiostrongyliasis)
100
Highest eosinophil count in CSF
Parastrongylus cantonensis (Eosinophilic meningoencephalitis)
101
Similar pain to appendicitis
Parastrongylus costaricensis
102
Herring worm
Anisakis spp.
103
Trematodes with mature egg when laid
"SHOC"
Schistosoma
Heterophyes
Opistorchis
Clonorchis
104
Trematodes drug of choice
Praziquantel
105
Nonoperculated egg in trematodes
Schistosoma
106
Giant / Tropical liver fluke
Fasciola gigantica
107
2nd IH of Fasciola
Kangkong, Water cress
108
Final host of Clonorchis sinensis
Man
109
Pitcher-like appearance
Old-fashioned light bulb egg
Clonorchis sinensis
110
Garrison's fluke
Echinostoma ilocanum
111
Cat liver fluke
Opisthorchis felineus
112
Indistinguishable trematode eggs
Clonorchis
Opisthorchis
Heterophyes
113
Von Siebold's fluke
Smallest fluke of man
Deadliest
Heterophyes heterophyes
114
Adult resembles coffee bean
Paragonimus westermani
115
Oriental lung fluke
Causes endemic hemoptysis
Paragonimus westermani
116
Pancreatic fluke
Causes cholecystitis, pancreatitis
Eurytrema pancreaticum
117
Where female is held in adult male schistosome
Gynecophoral canal
118
Oriental blood fluke
Katayama's disease
Swimmer's itch
Schistosoma japonicum
119
Smallest egg blood fluke
Schistosoma japonicum
120
Smallest adult blood fluke
Causes intestinal bilharziasis
Schistosoma mansoni
121
Prominent lateral spine
S. mansoni
122
Small knob-like lateral spine
S. japonicum
123
Prominent lateral spine
S. haematobium
124
Vesical blood fluke
Causes urinary bilharziasis, egyptian hematuria
Shistosoma haematobium
125
Recommended time of urine collection of S. haematobium
Between noon and 3PM
126
Acid fast positive schistosome
Equatorial bulge
Resembles S. haematobium egg
Schistosoma intercalatum
127
Abopercular thickening
Paragonimus westermani
Diphyllobotrium latum
128
All eggs unoperculated, embryonated, hexacanth embryo, oncosphere
Cestodes (tapeworms)
129
Uterine pore
D. latum
130
Broad fish tapeworm
Largest tapeworm
Diphyllobotrium latum
131
Smallest tapeworm
Dwarf tapeworm
Most common cestode
Hymenolepsis nana
132
Shortest tapeworm
Echinococcus granulosum
133
Spatulate/spoon-shaped/almond scolex
Sucking grooves (bothria)
Rosette uterus
Diphyllobotrium latum
134
Infective stage of D. latum
Pleocercoid
135
Anapolytic
D. latum
136
Tapeworm anemia
Vit B12 deficiency
Megaloblastic macrocytic anemia
Hypersegmented neutrophil, pancytopenia
D. latum
137
Taenia saginata infective stage
Cysticercus bovis
138
Dendritic or finger-like lateral/uterine branches
Taenia solium
139
Dichotomous, tree-like uterine branches
Taenia saginata
140
Taenia solium infective stage
Cysticercus cellulosae
Embryonated egg
141
No rostellum, no hooks
Taenia saginata
142
Cysticercosis viscerotropica
Liver of pigs, cattle, goats, wild boar, monkeys
Taenia asiatica
143
Egg contain oncosphere with two polar thickenings from which arise 4-8 polar filaments
Hymenolepis nana
144
Rat tapeworm
Sunny side / Fried egg appearance
Hymenolepis diminuta
145
Egg contain oncosphere with two polar thickenings without polar filaments
Unarmed rostellum
Hymenolepis diminuta
146
Has egg capsule/packet containing 8-15 embryonated eggs
Dipylidium caninum
147
Dog tapeworm
Double-pored tapeworm
Flea tapeworm
Cucumber tapeworm
Dipylidium caninum
148
Hydatid worm
Hydatid disease/Hydatidosis
Echinococcus granulosus
149
Echinococcus granulosus intermediate & final host
Sheep
Dog
150
Causes alveolar hydatid cyst
Echinococcus multilocularis
151
Recommended formalin concentration for protozoan cyst
5% formalin
152
Recommended formalin concentration for helminth eggs and larvae
10% formalin
153
Fixative for permanent stained smear
PVA
