Parasites Flashcards
(108 cards)
1
Q
Accidental or incidental parasite
A
Fasciola
2
Q
Paratenic host
A
Trichinella
3
Q
Facultative parasite
A
Strongyloides
4
Q
Skin penetration
A
Stronglyloides
Schistosoma
Ancylostoma
Necator
5
Q
Congenitally transmitted parasite
A
Toxoplasmosis
6
Q
Inhaled parasite
A
Enterobius
7
Q
Treatment for amoeba cyst carrier
A
Diloxanide furoate
8
Q
GI ulcers in amebiasis
A
Flask-shaped
9
Q
Amebiasis: mediates adherence
A
Lecitin
10
Q
Amebiasis: for penetration
A
Amebapores
11
Q
Amebiasis: for cytopathic effect
A
Cysteine proteases
12
Q
Backpacker’s diarrhea
A
Giardia lamblia
13
Q
Drug of choice: Cryptosporidum
A
Nitrazoxanide
14
Q
Pathogenic protozoan with no cyst form
A
Trichomonas vaginalis
15
Q
Diagnostic stage of toxoplasmosis
A
Trophozoite (bradyzoite)
16
Q
Preferred diagnostic test for toxoplasmosis
A
IgM
17
Q
Treatment of toxoplasmosis
A
Sulfadiazine plus pyrimethamine
18
Q
Transmission of Chagas’ disease
A
Reduviid bug (Triatoma)
19
Q
Most frequently and severly affected tissue in Chagas’ disease
A
Cardiac muscle
20
Q
Chagas’ disease: unilateral periorbital edema
A
Romaña sign
21
Q
Treatment of Chagas’ disesase
A
Nifurtimox
22
Q
Transmission of African sleeping sickness
A
Tsetse fly (Glossina)
23
Q
African sleeping sickness: frequency
A
Every two weeks
24
Q
More severe: Rhodesian or Gambian?
A
Rhodesian
25
African sleeping sickness: posterior cervical lymphadenopathy
Winterbottom's sign
26
African sleeping sickness: hyperesthesia
Kerandel's sign
27
African sleeping sickness: CSF plasma cells with cytoplasmic immunoglobulin globules
Mott cells
28
Most common cause of red tide
Pyrodinium bahamense var compresum
29
Shellfish poisoning: paralytic
Saxitoxin
30
Shellfish poisoning: neurotoxin
Brevetoxin
31
Shellfish poisoning: diarrhetic
Okadaic acid
32
Shellfish poisoning: amnesic
Domoic acid
33
Granulomatous amebic encephalitis
Acanthamoeba castellani
34
Amebic keratitis
Acanthamoeba castellani
35
Primary amebic meningoencephalitis
Naegleria fowleri
36
Only ciliated protozan to cause human disease
Balantidum coli
37
Ulcers in balantidial dysentry
Round-based, wide-necked
38
Maltese cross
Babes microti
39
Transmission of Leishmansis
Sandfly (Phelbotomus)
40
Drug of choice for leishamniasis
Sodium stibogluconate
41
More uterine branch: solium or saginata?
saginata
42
Infective stage of Taenia
Cysticerci
| Eggs (Taenia solium)
43
Taenia: intestinal obstruction
saginata
44
Neurocysticercosis
solium
45
Infective stage of Diphyllobothrium latum
Plerocercoid
46
How many proglottids in Echinococcus granulosus?
three
47
Definitive host in hydatid disease
dog
48
Medical treatment for hydatid disease
albendazole
49
Surgical treatment for hydatid disease
PAIR: puncture, aspiration, injection, reaspiration
50
Most common tapeworm in developed countries
Hymenolepsis nana
51
Only parasitic helminths to exist as separate sexes
Schistosoma japonicum
52
Diagnostic tests for schistosomiasis
Kato-Katz
| Circumoval precipitin test
53
Systemic hypersensitivity following treatment of schistosomiasis
Katayama fever
54
Treatment of schistosomiasis
Praziquantel
55
Intermediate hosts in paragonimiasis
Snail: Antemelania asperata
| Mountain crab: Sundothelphusa philippina
56
Staining in paragonimiasis
3% NaOH
57
Chest radiograph finding in paragonimiasis
Ring shadow
58
Diagnosis of Clonorchis
Direct fetal smear
| Potassium permanganate stain: melon-like ridges
59
Most serious sequela of Clonorchis infection
Cholangiocarcinoma
60
Helminthic infection from eating watercrests
Fasciola hepatica
61
Obstructive jaundice and painful pharyngitis in Fasciola infectin
Nalzoun
62
Mimics peptic ulcer disease
Heterophyes heterophyes
63
Nematodes with transpulmonary phase
Ascaris
Necator
Ancylostoma
Strongyloides
64
Eosinophilic pneumonitis secondary to ascariasis
Loefller's syndorme
65
Greater larvicidal activity in ascariasis
Albendazole
66
Infective stage of hookworm infection
Filariform larvae
67
Skin manifestation of hookworm infection
Cutaneous larva migrans
68
Barrel shaped eggs with bipolar plugs
Trichuris
69
Barrel shaped eggs without bipolar plugs
Capillaria
70
Rectal prolapse
whipworm
71
Treatment of whipworm infection
Mebendazole
72
Most common soil-transmitted helminthides in developed countries
Cosmopolitan worm
Eneterobius vermicularis
73
Diagnostic test of pinworm infection
Graham's scotch/cellulose tape technique
74
Treatment of pinworm infection
Pyrantel pamoate
75
Culture for Strongyloides
Harada-Mori
76
Hyperinfection syndrome
Strongyloides
77
Only nematode whose life cycle involves a migratory bird
Capillaria philippinensis
78
Embryonated egg
Ascaris
| Enterobius
79
Treatment of capillariasis
Albendazole
80
Most debilitating nematode infection
Filariasis
81
Elephantiasis
Brugia malayi
82
Hydrocoele
Wuchereria bancrofti
83
Vector of Wuchereria bancrofti
Culex, Aedes, Anopheles
84
Vector of Brugi malayi
Mansonia
85
Infective stage of filariasis
L3 larvae
86
Treatment of filariasis
Diethylcarbamazine
87
Tropical pulmonary eosinophilia
Filariasis
88
Which phase in life cycle of filarial worms causes symptoms
Adults, not larvae
89
Histology of Trichinella infection
Nurse cell
90
Treatment of Trichinella infection
Thiabendazole
91
River blindness
Onchocerca volvulis
92
Mazotti reaction
Onchocercaisis
Ivermectin
93
Transmission of loa loa
Deer fly or mango fly
94
Visceral larva migrans
Toxocara canis
95
Ocular larva migrans
Toxocara canis
96
Most common cause of parasitic/eosinophilic meningitis
Angiostrongylus cantonensis
97
Nocturnal pruritus ani
Enterobius vermicularis
98
Xenodiagnosis
Trichinella spiralis
99
Tramway sign on radiograph
Ascaris lumbricoides
100
Infective stage in schistosomiasis
Cercariae
101
Infective stage in paragonimiasis
Metacercariae
102
Infective stage in diphyllobothrium infection
Pleocercoid larvae
103
Ocular cystericosis
Taenia solium
104
Epitheloid granuloma in filariasis
Meyers-Kouvenaar bodies
105
Intradermal test in trichinellaisis
Bachman test
106
Primary amebic encephalitis
Naegleria
107
Trichuriasis: small or large intestine?
Large intestine
108
Amebic keratitis
Acanthameba
