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MRXU > Parasit > Flashcards

Parasit Flashcards

1
Q

common/other names

A. lumbricoides

A

giant intestinal roundworm
Lumbricos teres

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2
Q

common/other names

E. vermicularis

A

pinworm
oxyuris vermicularis
seatworm
social or society worm

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3
Q

common/other names

American hookworm
American murderer
New world hookworm

A

Necator Americanus

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4
Q

common/other names

A. duodenale
A. braziliense
A. caninum

A

duodenale = Old world hookworm
braziliense = cat hookworm
caninum = dog hookworm

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5
Q

common/other names

  • whipworm
  • pudoc worm
  • threadworm
  • eye worm
  • blinding worm
A
  • whipworm = T. trichiura
  • pudoc worm = C. philippinensis
  • threadworm = S. stercoralis
  • eye worm = Loa loa
  • blinding worm = O. volvulus
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6
Q

common/other names

T. spiralis also known as?

A

muscle worm or garbage worm

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7
Q

common/other names

  • F. hepatica
  • F. gigantica
  • F. buski
  • E. ilocanum

oriental liver fluke / chinese liver fluke also known as?

A
  • hepatica = sheep liver fluke
  • gigantica = giant liver fluke
  • buski = giant intestinal fluke
  • ilocanum = Garrison’s fluke

CLONORCHIS SINENSIS

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8
Q

common/other names

  • bladder fluke
  • Von siebold’s fluke
  • profile of a man
  • oriental blood fluke
  • oriental lung fluke
A

bladder = S. haematobium
Von = H. heterophyes
profile = S. mansoni
blood = S. japonicum
lung = P. westermani

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9
Q

common/other names

  • beef tapeworm
  • pork tapeworm
  • rat tapeworm
  • dwarf tapeworm
A

beef = T. saginata
pork = T. solium
rat = H. diminuta
dwarf = H. nana

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10
Q

common/other names

  • Dipylidium caninum
  • Diphyllobothrium latum
  • Echinococcus granulosus
A

caninum = Dog tapeworm / Double-pored tapeworm
latum = broadfish tapeworm
granulosus = hydatid worm

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11
Q

infective stages

embryonated egg

mnemonic: HATE

A
  • H. nana
  • A. lumbricoides
  • T. trichiura
  • E. vermicularis
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12
Q

infective stages

  • larva
  • filariform larva
A

larva: T. spiralis & C. philippinensis
filariform: Hookworm & S. stercoralis

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13
Q

infective stages

  • Protozoans (amoeba)
  • T. vaginalis
  • Plasmodium
  • Trypomastigote
A

Protozoans = cyst
Vaginalis = trophozoite
plasmodium = sporozoite
trypomastigote = trypanosoma

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14
Q

nematodes - intestines

  • large
  • small

mnemonic: large - ET small - CASH

A

large = Enterobius, Trichuris
small = Capillaria, Ascaris, Strongyloides, Hookworms

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15
Q

nematodes

heart-to-lung migration

mnemonic: ASH

A

Ascaris
Strongyloides
Hookworm

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16
Q

nematodes - extraintestinal

lymphatics and subcutaneous
muscles
meninges

A

lymphatics = filarial
muscles = T. spiralis
meninges = A. cantonensis

17
Q

nematodes

triad of infection

mnemonic: unholy three

A

Hookworm
Ascaris
Trichuris

18
Q

nematodes - A. lumbricoides

diagnostic stage
lab diagnosis

MOT?

A

diagnostic stage: Egg
lab diagnosis: stool exam

MOT: Ingestion

19
Q

nematodes - E. vermicularis

lab diagnosis and MOT

characteristics: autoinfection and external autoifnection

A

lab diag: Perianal swab “scotch tape technique”
MOT: ingestion

20
Q

nematodes

barrel-shaped w/ bipolar mucus plug that resembles japanese lantern

hint: egg

A

T. trichiura

adult resembles a whip

21
Q

nematodes

egg is with bipolar mucus plug that are not protruded as T. trichiura egg, guitar peanut-shaped

identify and what is the MOT

male: w/ chitinized spicule
female: have eggs in utero

A

C. philippinensis

MOT: Ingestion of freshwater fishes

22
Q

nematodes

ovoidal, thin-shelled, colorless
morula ball

A

Hookworms

adult
N. americanus - S-shaped w/ semilunar cutting plates
A. duodenale - C-shaped w/ 2 pairs of teeth

23
Q

nematodes

a facultative nematode that causes cochin-china diarrhea

MOT: skin penetration

A

S. stercoralis

parasitic: small intestine free-living: soil

24
Q

vectors of W. bancrofti and B. malayi

give the periodicity

habitat: lymphatics

A

bancrofti: Aedes & Anopheles
malayi: Mansonia

NOCTURNAL 10PM-2AM

25
Q

Loa loa

habitat:
vector/s:
periodicity:

specimen: blood

A

habitat: subcutaneous tissue
vectors: Chrysops & Tabanid
periodicity: diurnal

26
Q

the vector is similum (black fly) and the habitati is subcutaneous tissue. identify.

specimen: ?

A

O. volvulus

skin snips/shavings

27
Q

identify

elongated and cylindrical, separate sexes and eggs are non-operculated

MOT: skin penetration

A

Schistosomes

28
Q

identify

flat, leaf like, hermaphrodite, eggs are operculated

MOT: ingestion

A

All flukes except Schistosomes

29
Q

trematodes

enumerate the flukes that has embryonated eggs

mnemonic: SHOC

A
  • Schistosoma
  • Heterophyes
  • Opistorchis
  • Clonorchis
30
Q

trematodes

enumerate the flukes that has unembryonated eggs

mnemonic: PEFF

A
  • Paragonimus
  • Echinostoma
  • Fasciola
  • Fasciolopsis
31
Q

trematodes

causes sheep liver rot, eggs resembles F. gigantica and F. buski. leaf-like hermaphrodite with cephalic cone

A

F. hepatica

32
Q

trematodes

infects cattle in the philippines

A

F. gigantica

33
Q

trematodes

most important liver fluke of man

egg: old-fashioned electric light bulb

A

C. sinensis

34
Q

trematodes

largest fluke parasitizing man

egg: Hen’s egg shaped

A

F. buski

35
Q

trematodes

smallest but deadliest fluke of man

MOT: ingestion

A

H. heterophyes

36
Q

trematodes

most romantic parasite of man

what is the lab diagnosis?

A

Schistosomes

stool exam, rectal or liver biopsies, and urine

37
Q

trematodes - identify each

  1. causes Katayama’s disease
  2. smallest of the blood flukes
  3. vesical blood fluke causing hematuria

what is the specimen needed for S. haematobium?

A
  1. Katayama’s disease = S. japonicum
  2. smallest = S. mansoni
  3. hematuria = S. haematobium

specimen S. haematobium = 24-hr unpreserved urine

38
Q

trematodes

largest tapeworm of man which causes vit. B12 deficiency anemia

specimen: stool

A

D. latum

39
Q

trematodes

shortest tapewoem that resembles Taenia egg

DH: Dog

A

E. granulosus

MRXU (2 decks)

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