問題一覧
1
Eggs and arthropods is mistakenly seen as:
parasites
2
Do not contain mercuric chloride
SAF
3
Used to preserve fresh stool
schaudinn's solution
4
5% formalin concentration recommended for ___
protozoan cysts
5
Eggs of arthroupods and plant nematodes can be distinguished with:
none
6
PVA to stool ratio
3:1
7
Common parasites in CSF specimen:
naegleria; acanthamoeba; toxoplasma; trypanosoma
8
Hairs and fibers has:
internal structure
9
Purpose: retention of moisture and prevent accidental spillage
plastic or glass with tight-fitting lid
10
Factors influencing the accuracy and reliability of results:
proper specimen collection and handling; proper processing of specimen; skills of the examiner; quality of the specimen used
11
For helminthes: ___ weeks after completion of post therapy ___ weeks for Taenia/Taenia saginata
1-2; 5-6
12
Established outside the host
ectoparasite
13
Morphologic form is also called as?
infective stage
14
Serves to adhere a stool sample unto the slide
PVA
15
Hots harboring parasites that are parasitic for humans and from which humans may become infected.
reservoir host
16
Cannot live outside the host
obligatory parasite
17
Do not accept stool with urine as it kills ___ rapidly
protozoan trophozoite
18
Parasites for the infection of oral mucosa and gingival, respectively
E. gingivalis; T. tenax
19
Stool must be collected prior to any antidirrheic medications (true/false)
true
20
Staining of preserved stools in MIF gives unsatisfactory results. (true/false)
true
21
These acts as staining components
merthiolate; iodine
22
If the result is negative: __ specimens must be done on interval for no more than __ days on interval
3; 10
23
Examined macro and microscopically using what recovery method
O&P recovery method
24
IFA
indirect fluorescent antibody
25
Common for intestinal parasites
fecal
26
DFA
direct fluorescent antibody
27
A liquid fixative with a long shelf-life
SAF
28
Capable of existing independently of the host
facultative parasite
29
Stain for fecal specimen
MIF
30
Epithelial cells and macrophages has:
bigger nuclei
31
The solution of formalin may be buffered with:
sodium phosphate
32
Preserves morphological characteristics of the organisms.
sodium phosphate
33
PVA uses ___ that makes it disadvantageous
mercuric chloride
34
Alternative to Shaudinn bcs it has 10% formalin and sodium acetate.
SAF
35
MIF
merthiolate-iodine-formalin
36
Formalin concentration recommended with helimth eggs and larvae
10%
37
Plant cells is mistakenly seen as:
cyst
38
Transportation of stool: 10% formalin
wet mount
39
The ass. of two living organisms, each of different species.
symbiosis
40
Host in which the larval stage of parasite development occurs
intermediate host
41
Parasite in nasal discharge
naegleria fowleri
42
Host responsible for transferring a parasite from one location to another.
transport host
43
Formed stool is common in:
protozoan cyst
44
Species A (benefits) & B (neutral)
commensalism
45
Mercuric chloride can be replaced with ___
cupric sulfate
46
Established inside the host
endoparasite
47
MIF cna be examined through
wet mount
48
Relating to commensalim: the ass. between two different species that is beneficial to one and neutral to the other.
commensal
49
Host in which adult sexual phase of parasite development occurs
definitive host
50
Merthiolate is also called as?
thimerosal
51
Plant cells has:
thin cell walls
52
Yeast and molds has:
smoother; no nuclei
53
Symptoms ass.
diarrhea; fever; chills; abdominal pain; abdominal cramping; elephantiasis; anemia; vitamin deficiency; bowel obstruction; edema; elargement of major organs; skin lesions; blindness
54
All purpose fixative
formalin
55
2 types of diagnosing parasitic infections
clinical diagnosis; laboratory diagnosis
56
If at high suspicion: __ specimens must be done on interval for no more than ___ days on interval
6; 14
57
Water/diarrheic stool is common in:
trophozoite
58
Pus cells is mistakenly seen as:
amoebic cyst
59
This is placed in an airtight container or swab and examined in ___
mouth and nasal discharge; direct wet mount
60
Mode of Parasite Transmission
ingestion of contaminated food or drink; hand-to-mouth transfer; insect bite; entry via drilling through the skin; unprotected sexual relations; mouth-to-mouth contact; droplet contamination; eye contact with infected swimming water
61
Transportation of stool: MIF
wet mount
62
These are best suited to be detected in stool after enemas.
worms, eggs, protozoans
63
Preservation of protozoan cysts and permanent staining for trophozoites
PVA
64
PVA can be concentrated using ___
FECT
65
Hairs and fibers is mistakenly seen as:
larvae
66
Normally incorporated with Schaudinn's solution
PVA
67
Preserved all stages of parasitic
MIF
68
PCR
polymerase chain reaction
69
do not expose to air or freeze/incubate (true/false)
true
70
Ass. with poor oral hygiene
mouth and nasal discharge specimen
71
Parasite that has demonstrated the ability to cause disease.
pathogenic
72
Species A & B (benefits)
mutualism
73
Fecal speciment must be collected in a clean, ___ container maed with ___
wide-mouth; waxed cardboard
74
Watery/diarrheic stool: size in ml and tbsp.
10; 5-6
75
Epithelial cells and macrophage is mistakenly seen as:
amoeba trophozoites
76
Most commonly submitted specimen
stool
77
Pus cells has:
distinct cell walls; bigger; perfect circle
78
FECT
formalin ether concentration technique
79
Parasite-harboring host that is not exhibiting any clinical symptoms vut can infect others
carrier
80
"living together"
symbiosis
81
Immediate examination must be observed to avoid disintegration of ___
protozoan trophozoite
82
Parasite prevention and Control Strategies:
development and implementation of parasite awareness education programs; use of insecticides and other chemicals; use of protective clothing; use of protective netting; proper waste treatment; good personal hygiene; proper sanitation practices; proper handling, cooking, and protection of food; avoidance of unprotected sexual relations
83
Acts as preservative in MIF
formalin
84
LA
latex agglutination
85
Parasite treatment options
antiparasitic medications change in diet vitamin supplements fluid replacement blood transfusion bed rest
86
For protozoa: ___ weeks post therapy
3-4
87
If in formalin we have sodium phosphate, in SAF?
sodium acetate
88
Yeast and molds are mistakenly seen as:
amoebic cyst
89
EIA
enzyme immunoassay
90
Formed stool: size in grams
5-7
91
Three common components of parasitic life cycle.
mode of transmission; morphologic form; diagnostic stage
92
Can be utilized for immunological tests
fecal
93
Transportation of stool: PVA
permanent staining
94
The __ should always be freshly prepared since it is unstable.
lugol's iodine
95
SAF
sodium acetate-acetic acid formalin
96
Species A (benefits) & B (harmed)
parasitism
97
Host other than a normal one that is harboring a parasite
accidental host
98
PVA
polyvinyl alcohol
99
Based significantly on lab results
laboratory diagnosis
100
RIT
rapid immunochromatography technique