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parasitology > wk 3 > Flashcards

wk 3 Flashcards

1
Q

What is the classification of A. cantonensis

A

Nematode

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2
Q
  1. Common name for Angiostrongylus cantonensis?
A

rat lungworm

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3
Q
  1. What type of parasitic meningitis is under A. cantonensis?
A

eosinophilic meningocephalitis

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4
Q
  1. What laboratory diagnosis is used to detect specific antibodies of A. cantonensis?
A

ELISA-immunoblotting

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5
Q
  1. Where does Eosinophilic Meningitis usually occur?
A

b. Southeast Asia and Pacific Basin

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6
Q
  1. There is simple mouth in the morphological characteristic of A. cantonensis?
A

True

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7
Q
  1. Another name identification for nematode is roundworm?
A

True

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8
Q
  1. Nematodes commonly resides in the pulmonary arteries of pigs?
A

False

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9
Q

A cantonensis does mature into adults inside the human body as man is its natural
definitive host?

A

false

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10
Q
  1. Cerebrospinal Fluid is another laboratory diagnosis used in detecting A.
    cantonensis?
A

true

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11
Q

An infection that is the most common cause of eosinophilic meningitis in Southeast
Asia and the Pacific Basin

A

Angiostrongylus cantonensis

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12
Q
  1. Oneof the symptoms of A. cantonensis. A.
A

Headache

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13
Q
  1. Serological methods to detect specific antibodies against A. cantonensis.
A

B. ELISA

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14
Q
  1. Presence of A. cantonensis larvae can be performed.
A

E. Stool Examination

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15
Q
  1. A. cantonensis that has 17 to 33 mm in length. D.
A

Female

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16
Q
  1. What type of parasitic worm is WUCHERERIA bancrofti?
A

c. Filarial Nematode

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17
Q
  1. It is a powerful drug against the microfilariae.
A

d. Diethylcarbamazine (DEC)

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18
Q
  1. The gold standard for diagnosis of lymphatic filariasis.
A

a. Peripheral Blood Smear

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19
Q
  1. Microfilariae of W. bancrofti measures ____ long.
A

b. 245 to 300 µm

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20
Q
  1. The mode of transmission of W. bancrofti.
A

a. Mosquito vectors

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21
Q
  1. The microfilariae of W. bancrofti observes diurnal periodicity.
A

FALSE

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22
Q
  1. The earliest structural change in lymphatic filariasis is the dilation of lymph vessels.
A

true

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23
Q
  1. The adult male W. bancrofti is longer and stouter than the adult female W. bancrofti.
A

FALSE

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24
Q
  1. Wuchereria bancrofti is usually transmitted through the bite of an infectious mosquito.
A

TRUE

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25
Q

There is current proof that the mishmash of all three drugs (DEC, ivermectin, and
albendazole) can remove almost all microfilariae from the blood of infected persons.
.

A

TRUE

26
Q
  1. Diseasecausedbynematodes.
A

A.LymphaticFilariasis

27
Q

WhereW.bancrofti canbefoundin
thebody.

A

E.LymphoidTissues

28
Q

It refers to the release of the
microfilariae into the peripheral
bloodatnighttime.

A

C.NocturnalPeriodicity

29
Q

A single dose can decrease
microfilaraemiaby90%

A

Ivermectin

30
Q

Stage of LF where no sign of
symptoms emerge even though a
personisinfected.

A

Asymptomatic

31
Q

1.A human disease caused by parasitic roundworms known as filarial worms.

A

a. Lymphatic Filariasis

32
Q

mainmanifestationof thisdiseaseistheimpairmentof thelymphaticsystemwhich
leadstothe:

A

a. abnormalenlargementofbodyparts
b. causingpain
c. severedisability
d. AllMentioned

33
Q

3.Thefilarialwormsarefoundinthe:

A

c. LymphaticSystem

34
Q

.Microfilariaecirculateintheperson’sbloodandinfectthemosquitowhenitbitesaperson
whois

A

Infected

35
Q

5.Microfilariae grow and developing in:

A

mosquito

36
Q
  1. Thefemaleislarger(70-100x0.25mm)thanthemale(25-40x0.1mm).
A

TRUE

37
Q

Threetypesofwormsareknowntocausediseaseinhumans, theyare:Wuchereria
Bancrofti,BrugiaMalayi,andBrugiaTubuki.

A

FALSE

38
Q

Infection occurs when filarial parasites are transmitted to humans through
mosquitoes.

A

TRUE

39
Q

Theworms triggeraresponsefromtheimmunesystemthatproducesinflammation
andswelling.

A

TRUE

40
Q

. Pus collecting ina leganddraining to the skin’ssurface, resulting inawound.

A

FALSE

41
Q

1.FoundintheLymphaticSystem.[A.]

A

FilarialWorms

42
Q

Arewhitish, translucent, thread-likewormswithsmoothcuticlesandtaperingends[D.
]

A

Adultworms

43
Q

Damages the lymphaticsystemthat results inaberrant swellingof certainpartsof the
bodyleadingtopain,gravedeformity,andshame.[E.]

A

LymphaticFilariasis

44
Q

Circulate in theperson’sbloodand infect themosquitowhen itbitesapersonwho is
infected.[B.]

A

Microfilariae

45
Q

Occurs when filarial parasites are transmitted to humans throughmosquitoes. [C.
x]

A

Infection

46
Q

Acceptablefecalspecimensforexaminationshouldcontainapproximately_____gramsof
material?

A

D. 5-7grams

47
Q

ftherapyhasalreadybegun,stoolsamplesshouldnotbecollecteduntil____daysafter
completionoftreatment.

A

D. 5-7days

48
Q

.Toenhancethechancesofdetectingintestinalparasites, it isadvisedtosubmitaseries
of_____fecalspecimens,collectedonalternatedaysifpossible,orwithina10-dayinterval

A

3

49
Q

Thosetreatedforhelminthinfectionmaybechecked____weekspost-therapy,whilechecks
forTaeniamaybedelayedfor5to6weekspost-therapy.

A

C. 1-2weeks

50
Q

A freshly passed stool specimen examined within___minutesisideal,particularly for
recovering trophozoite forms and flagellates

A

B. 30mins

51
Q

.If intestinal amebiasis is suspected,six specimens maybeordered,but
positivere results in any one specimen may make the remaining unnecessary.

A

true

52
Q

Formedstoolspecimensarelesstime-sensitive,recommendedfor
examinationwithin20hourstoensureprotozoancystrecovery

A

false

53
Q

Fecalspecimensshouldneverbefrozen, incubated,or leftatroom
temperatureforextendedperiodsbeforeexamination

A

true

54
Q

.Theformalin-to-fecalmaterial ratiois3:1

A

_TRUE_4

55
Q

.Commercially manufactured two-vial kits,such as the Parapak Stool System
by Meridian, are particularly useful for INpatient specimens collection

A

false

56
Q

Convenientsystemforthe
routinecollection,transportation,
preservationandexaminationof
stoolspecimensfor intestinal
parasites.

A

ParaPakStoolSystem

57
Q

Thethreemostwidelyused
fixativesare___.

A

A.for malin,PVA,andsodium
acetate-formalin(SAF).

58
Q

isafederalagencyfocusedon
monitoringandreducing
occupationalhazardsand
illnesses.

A

OccupationalSafetyand
HealthAdministration(OSHA)

59
Q

Consideredthe“goldstandard”
forthefixationofovaand
parasitesinthepreparationof
permanentlystainedsmearsof
stoolspecimens.

A

Polyvinylalcohol (PVA)

60
Q

Threewidelyusedpermanent
stainsare___

A

Ironhematoxylin,
Wheatley’strichromestain,
andthemodifiedacid-fast
stain.

61
Q
A

parasitology (7 decks)

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