quick facts Flashcards
(124 cards)
1
Q
When naming organisms genus should start with _____ and species with a ______ letter
A
Capital; small
2
Q
a symbiotic relationship in which one benefits from the other without causing any harm
A
Commensalism
3
Q
Parasite that can multiply in fecal matter outside the body
A
Coprophilic parasite
4
Q
Host in which parasite undergoes an arrested development stage
A
Paratenic host
5
Q
source of infection is known as the
A
Rservoir
6
Q
Oriental liver fluke
A
Clonorchis senensis
7
Q
profile of a man
A
Schistosoma mansoni
8
Q
beef tapeworm
A
Taenia saginata
9
Q
pork tapeworm
A
Taenia solium
10
Q
Dwarf tapeworm
A
Hymenolepis nana
11
Q
Double-pored tapeworm
A
Dypilidium caninum
12
Q
Hydatid worm
A
Echinococcus granulosus
13
Q
embryonated egg as Infective stage
A
Hymenolepis nana
Enterobius
Ascaris
Trichuris
14
Q
3rd stage larva filariform
A
Filarial worms Dirofilaria Dracunculus Angiostrongylus cantonensis Anisakis
15
Q
Schistosoma spp. infective stage
A
Cercaria
16
Q
Taenia saginata infective stage
A
Cysticercus bovis
17
Q
Dyphyllobothrium latum infective stage
A
Plerocercoid larva
18
Q
Paragonimus infective stage
A
Metacercaria
19
Q
Parasitology slides and control are used for _____
A
quality control purposes
20
Q
appropriate collection container for stool sample
A
clean, dry, water-proof container with a tight-fitting lid
21
Q
CDC recommends _______ stool samples, collected on separate days, be examined for O & P test
A
THREE or more
22
Q
beyond 1 hour , stool samples must be ____
A
refrigerated
*formed stools
23
Q
Diarrheic stools must be examined within _____ to _____ after passage
A
30 minutes to 1 hour
24
Q
What form is fragile and could be destroyed at refrigerator temperature
A
Trophozoite
25
interferes with identification of protozoan cysts
Mineral oil droplets
26
emulsifying agent for stool and stains nuclei of protozoans
Lugol's iodine
27
stain recommended for intestinal microsporidia
Modified trichrome stain
28
stain recommended for intestinal coccidia
Modified trichrome stain
29
preservative for direct fecal smear
Formalin
30
uses cellophane paper soaked in a mixture of Glycerine and malachite green
Kato-thick smear
31
test to detect eggs of enterobius
scotch tape swab
32
larva moving upwards in the harada mori culture technique
Strongyloides
33
larva moving downwards in the harada mori technique
Hookworm
34
concentration technique for detection of ova and cysts
Formalin-ether concentration technique
35
wrap sample in a cheese cloth & submerge it in a funnel filled with water
Baermann funnel technique
36
Baermann funnel technique is used to identify what parasite?
Strongyloides stercoralis
37
Zinc sulfate floatation method is NOT for?
operculated eggs, schistosomes, or infertile ascaris eggs
38
concentration test used to detect microfilariae
Knott's concentration
39
xenodiagnosis is performed to detect
T. cruzi & T. spiralis
40
vector of ascaris lumbricoides
Coackroach
*Periplatena americana?
41
Ascaris egg without mamillary coating
Decorticated egg
42
peripheral blood picture in Loeffler's syndrome
Peripheral eosinophilia
43
Heart-to-Lung-migration
Ascaris lumbricoides
Strongyloides stercoralis
Hookworms
44
severe itching/allergic reaction at the site of skin penetration by hookworm filariform larvae
Ground itch
45
feeding stage of nematodes (hookworm,threadworm)
Rhabditiform larvae
46
infective stage of nematodes (hookworm,threadworm)
Filariform larvae
47
intestinal nematode capable of vertical transmission & congenital infections
Ancylostoma duodenale
48
agent of cutaneous larva migrans or creeping eruption
Dog hookworm (A. caninum)
49
Agent of visceral larva migrans
Toxocara canis & T. cati
50
Adult female worm has the characteristics of barber's pole uterine appearance
Angiostrongylus cantonensis
51
most common identified species of filarial worms, sheathed and nocturnal
Wuchureria bancrofti
52
worm with thick cuticle and large uterus with rhabtoid larvae
Dracunculus medinensis
53
agent of river blindness
Onchocerca volvulus
54
onchocerca volvulus specie vector
Blacklfy (simulium spp)
55
Diagnostic test for Onchocerca volvulus
Skin snip
56
Objective used to detect microfilariae
LPO
57
Part of cestodes used for attachment to the intestinal walls
Scolex
58
Definitive host for T. solium
Man
59
How do you differentiate T. saginata from T. solium
T. saginata has tree-like branches; T. solium has finger-like branches
60
In filipinos, adult Taenia (saginata) is commonly passed out in feces due to
Drinking alcohol
61
stain to demonstrate uterine branches of Taenia spp.
India Ink
62
Intermediate hosts for T. asiatica
liver of pigs, cattle, goats, wild boars & monkeys
63
T. asiatica adult resembles
T. saginata
64
T. asiatica cysticerci is close to
T. solium
65
eggs that resemble pollen grains
Taenia spp.
66
Dried proglottids of this parasite resemble grains of rice
Dipylidium caninum
67
parasite that can cause megaloblastic anemia
D. latum
68
1st intermediate host of D. latum
Copepods
69
2nd intermediate host of D. latum
Freshwater fish
70
lifespan of D. latum
25 years
71
mistaken as adult D. latum
Spirometra
72
describe the eggs of Hymenolepis dimunta
bile stained eggs with no bipolar filaments
73
which of the following best describes the eggs of Taenia spp.
Hexacanth embryo with radial striations
74
intermediate host of Echinococcus multilocularis
Rodents
75
Definitive host Echinococcus multilocularis
Foxes, coyotes, dogs
76
fluke found in sheep and cattle
Fasciola hepatica
77
Adult fluke with a prominent cephalic cone
F. hepatica
78
Trematode that can cause Cholagiocarcinoma
C. sinensis
O. viverrini
Fasciola
79
most fluke are hermaphroditic except for
Schistosoma
80
stage of schistosomes that go out of the snail to go to water
cercaria
81
schistosoma spp. infects spp. by
Skin penetration
82
swimmer's itch or cercarial dermatitis is caused by
cercaria of schistosomes
83
schistomsoma with small lateral knob/spine
S. japonicum
| S. mekongi
84
schistomsoma with large lateral spine
S. mansoni
85
schistomsoma with terminal spine
S. haematobium
86
schistomsoma with terminal spine , egg is acid fast
S. intercalatum
87
Schistosome egg recovered in urine
S. haematobium
88
Adult P. westermani resides on what organ
Lungs
89
2nd intermediate host of H. heterophyes, Clonorchis sinensis, Opistorchis felineus
Fish
90
2nd intermediate host of P. westermani
Crab, CRAYFISH
91
2nd intermediate host of F. hepatica, F. gigantica, F. buski
Plant/vegetation
92
2nd intermediate host of E. ilocanum
Snail
93
SREHP
Serine Rich Entamoeba histolytica protein
94
mature cyst of entamoeba coli nuclei
up to 8 nuclei
95
Sluggish non-directional motility, has a dirty cytoplasm
E. coli
96
Amoeba with a characteristic "basket nucleus"
E. gingivalis
97
double-walled cyst with outer wrinkled wall & inner polygonal wall
Acanthamoeba spp.
98
Associated with steatorrhea and Gay bowel syndrome
G. lamblia
99
Causes "crypt" hypertrophy in the duodenum & subsequently diarrhea
G. lamblia
100
Test for diagnosis of Giardia lamblia infection
Entero test - gelatin capsule with string
101
protozoan with undulating membrane
Pentatrichomonas, trichomonas
102
Plasmodium spp. responsible for 90% malarial cases
P. falciparum & P. vivax
103
hypnozoites may be seen in malarial infections caused by
P. vivax & P. ovale
104
Paroxysmal cycle of Plasmodium falciparum
36 hours
105
Paroxysmal cycle of Plasmodium malariae
72 hours
106
definitive host of plasmodium spp
Female anopheles mosquito
107
principal vector of malaria in the philippines
Anopheles minimus flavirostris
108
Malaquick standby malaria test
Histidine-Rich protein 2
109
Histidine-Rich protein 2 is produced by
Plasmodium falciparum
110
Parasite lactate dehydrogenase is produced by what Plasmodium spp?
all four plasmodium spp
111
Gold standard for detection of malaria
Giemsa smear
112
Oocyst of this parasite can be reecovered in cat feces
Toxoplasma gondii
113
Patient with cerebral calcification must be tested with
Toxoplasma antibody titer
114
important cause of Chorioretinitis
Toxoplasma
115
Parasite that can undergo autofluorescence
Cyclospora
116
Agent of West African sleeping sickness
T. brucei gambiense
*Gambian disease
117
Agent of East African sleeping sickness
T. brucei rhodesiense
118
Agent of Chaga's disease
T. cruzi
119
Agent of Kala-azar/Dumdum fever/Visceral Leishmaniasis
Leishmania donovani
120
Infective stage of Leishmania spp. to humans
Promastigote
121
Agent of "crabs"
Pthuris pubis
122
Scabies is a type of
Iinfestation
123
Also known as "head louse"
Pediculus humanus capitis
124
Ticks, bed bugs, mites, spiders
Wingless arthropods
