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Microbiology > Parasites > Flashcards

Parasites Flashcards

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Biology 101 flashcards
1
Q

Trichina worm

“Trichinosis/trichinellosis” (periorbital edema)

A

Trichinella spiralis

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2
Q

Whipworm
(rectal prolapse)

(Lemon-shaped, football or barrel shaped)

A

Trichuris trichiura

“Trichuriasis”

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3
Q

Capillary liver worm

“Hepatitis with eosinophilia”

A

Capillaria hepatica

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4
Q

Giant Intestinal Roundworm
“Ascariasis” (Loeffler’s syndrome & bolus formation)
Moan test

A

Ascaris lumbricoides

Trilobite lips, golden brown

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5
Q

Dog Ascaris/Cat Ascaris

“Visceral larva migrans (granuloma in liver)

A

Toxocara canis/cati

Golfball

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6
Q

Capillariasis/Pudoc disease/Mystery disease

A

Capillaria phillipinensis

Peanut shaped & striated shells

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7
Q

Ascaris of sea mammals

“Anisakiasis or Herring worm disease”

A

Anisakis simplex

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8
Q

Pinworm or seatworm

“Enterobiasis (pruritus ani)

A

Enterobius vermicularis

D shaped

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9
Q

New world hookworm

“Ground-itch” & microcytic, hypochromic anemia

A

Necator americanus

Barbed-like spicule

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10
Q

Old hookworm

“Ground-itch” & microcytic,hypochromic anemia

A

Ancylostoma duodenale

Bristle-like spicule

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11
Q

Cat hookworm

“Creeping eruption or cutaneous larva migrans” serpentine tunnels

A

Ancylostoma braziliense

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12
Q

Dog hookworm

“Creeping eruption or cutaneous larva migrans” serpentine tunnels

A

Ancylostoma caninum & Ancylostoma ceylanicum

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13
Q

Threadworm

Strongyloidiasis or Cochin China Diarrhea

A

Strongyloides stercoralis

Hyperinfection syndrome

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14
Q

Guinea worm, Serpent worm, Dragon worm, Medina worm

“Dracunculosis or Dracontiasis”

A

Dracunculus medinensis

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15
Q

Rodent/Rat Lung worm

“Eosinophilic Meningo-encephalitis or Angiostrongyliasis”

A

Angiostrongylus cantonensis

Barber’s pole

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16
Q

Giant Leech-like Acanthocephalan

A

Macracanthorynchus hirudinaceus

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17
Q

Bancrofti filarial worm

“Bancroftian filiariasis or filariasis bancrofti” elephantiasis above the knee

A

Wuchereria bancrofti

Graceful appearance

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18
Q

Malayan filarial worm

“Malayan filariasis” elephantiasis below the knee & hydrocele

A

Brugia malayi

Kinky appearance

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19
Q

African eye worm

“African Loaiasis or Calabar swelling”

A

Loa loa

Nuclei reaching the tip of the tail

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20
Q

Onchocerciasis or river blindness or blinding filariasis
“Hanging groin”
“Snowflake/fluffy corneal opacities”

A

Onchocerca volvulus

Nuclei not reaching the tip of the tail

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21
Q

“Shepherd’s crook”

Nuclei not reaching the tip of the tail

A

Mansonella spp.

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22
Q

Dog heart worm

“Human pulmonary dirofilariasis” coin lesion in lungs

A

Dirofilaria immitis

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23
Q

Swollen Belly Syndrome

A

Strongyloides fuelleborni

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24
Q

Oriental blood fluke

“Oriental schistosomiasis”

A

Schistosoma japonicum

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25
Q

Manson’s blood fluke

“Intestinal bilharziasis”

A

Schistosoma mansoni

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26
Q

Vesicle blood fluke/Bladder Fluke

“Urinary bilharziasis”

A

Schistosoma haematobium

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27
Q

Sheep liver fluke/ temperature liver
“Shoulder appearance” largest helminth egg
Ship liver rot

A

Fasciola hepatica

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28
Q

Giant liver fluke/ Tropical liver fluke

A

Fasciola gigantica

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29
Q

Chinese or Oriental Liver fluke
“Old-fashion electric bulb”
Pitcher-like appearance

A

Clonorchis sinensis
“Clonorchiasis”
Most important liver fluke of man

30
Q

Cat liver fluke/Siberia liver fluke

“Lancet-shaped”

A

Opistorchis felineus

31
Q

Lancet fluke/ Lanceolate

A

Dicrocelium dendriticum

“Dicrocelium infection”

32
Q

Giant intestinal fluke (largest fluke)

A

Fasciolopsis buski

33
Q

Garrison fluke

“Dumbell testes”

A

Echinosotoma ilocanum

“Echinostomiasis”

34
Q

Von Siebold’s Fluke
“Teardrop-shaped fluke” smallest fluke of man/deadliest fluke
Old fashion light bulb

A

Heterophyes heterophyes

35
Q

Smallest human fluke

A

Metagonimus yokogawai

36
Q

Pancreatic fluke

“Eurytremiasis”

A

Eurytema pancreaticum

37
Q

Oriental lung fluke
“Endemic hemoptysis, TB-like symptoms”
Reddish brown or coffee bean colored, uterus coiled into a rosette

A

Paragonimus westermani

38
Q

Broad/Fish tapeworm (largest and longest)
“Rosette formation / highly-coiled uterus”
Almond-shaped or spatula shaped scolex
Vitamin B12 deficiency - pernicious anemia - megaloblastic anemia

A

Diphyllobothrium latum

“Diphyllobothriasis or sparganosis”

39
Q

Pork tapeworm
“Dendritic/Finger-like”
Cysticercosis cellulosae

A

Taenia solium

40
Q

Beef tapeworm, Longest tapeworm of man

“Dichotomous or tree-like in appearance”

A

Taenia saginata

41
Q

Dwarf tapeworm, smallest tapeworm and most common cestode of man

A

Hymenolis nana

42
Q

Rat tapeworm

“Fan-like arrangement”

A

Hymenolepis diminuta

43
Q

Dog tapeworm or Double Pore tapeworm
“Only parasite with two sets of reproductive organs”
Melon seeds/pumpkin seed/ rice grains/ cucumber seeds

A

Dipylidium caninum

44
Q

Hydatid worm
(Smallest and shortest tapeworm)
Unilocular Echinococcosis or Cystic hydatid disease

A

Echinococcus granulosus

45
Q

Hydatid worm
“Alveolar hydatid disease”
Most lethal of all helminthic diseases

A

Echinococcus multiocularis

46
Q

Gid worm

“Cerebral or ocular coenurosis”

A

Multiceps multiceps

47
Q

Trophozoites: Ground glass appearance cytoplasm and bead-like arrangement of nucleus. Cysts: coffin-shaped or cigar
(Secondary Amebic Meningoencephalitis)
Inclusion: RBCs

A

Entamoeba histolytica

“Only pathogenic intestinal ameba”

48
Q

Sluggish motion and splinter-like chromatoidal bars
“Dirty appearance cytoplasm”
“Broomstick appearance chromatoidal bodies”

A

Entamoeba coli

49
Q

Parasites of pigs and monkeys. In papua new guinea, most common intestinal ameba of humans
“Threadlike chromatoidal bodies”

A

Entamoeba polecki

50
Q

Iodine-staining glycogen vacuole. Halo nucleus

“Basket nucleus”

A

Iodamoeba butschlii

51
Q

First parasitic ameba of humans. Only ameba that ingests WBCs

A

Entamoeba gingivalis

52
Q

Primary amebic meningoencephalitis (kernig’s sign)

“Exhibits trailing effect” jerky and spinning motility

A

Naegleria fowleri

53
Q

Granulomatous amebic encephalitis (GAE)

“Thorny projections, spine-like pseudopodia”

A

Acanthamoeba spp.

Ocular keratitis and corneal ulceration, contact lenses

54
Q

Largest protozoan parasite affecting man
“Thrown-ball motility/rotary boring”
Kidney-shaped/large bean-shaped macronucleus, dot-like micronucleus

A

Balantidium coli

55
Q

Pear-shaped or teardrop-shaped; heart-shaped
“Falling leaf motility”
Gay bowel syndrome and traveler’s diarrhea
“Impression prints”
“Sickle trophozoites”

A

Gardia lamblia

Green/yellow-green entero-test or string test

56
Q

Petals of flower (one to two rosette-shaped nuclei)

Hakansson phenomenon and brownian motion

A

Dientamoeba fragilis “parasite of a parasite”

Attach to ascaris and enterobius

57
Q

Smallest flagellate that parasitized man

“Lemon to pear shaped” “bird’s beak” “cleft like trophozoite”

A

Retortamonas intestinalis

58
Q

Pear-shaped or ovoid; jerking motility; single nucleus

A

Enteromonas hominis

59
Q

Shepherd’s crook; lemon-shaped/pear-shaped

“Spiral boring, jerky, rotary motility”

A

Chilomastix mesnili

60
Q

Ping-pong disease “strawberry appearance”; chicken-like epithelium

A

Trichomonas vaginalis

61
Q

Papule: oriental button; kala alzar / dumdum fever/ black fever
“Lesh donovan bodies”

A

Leishmania spp.

62
Q

East African sleeping sickness (more rapid and fatal)

A

Trypanosoma brucei rhodiense

63
Q

West African sleeping sickness

A

Trypanosoma brucei gambiense

64
Q

American trypanosomiasis or Chaga’s disease (romana’s sign)

A

Trypanosoma cruzi

65
Q

Outbreaks linked to fresh produce (raspberries)

“Wrinkled cellophane” “bubbly appearance oocyst”

A

Cyclospora cayetanensis

66
Q

Pink doughnut-shaped circular organisms (may also appear as purple)

A

Cryptosporidium spp.

67
Q

Schuffner’s dot

A

Plasmodium vivax

Benign Tertian Malaria

68
Q

Zeimann’s dot

A

Plasmodium malaria

Quartan Malaria

69
Q

Jame’s dot/ schuffner’s dot

A

Plasmodium ovale

Benign Tertian Malaria

70
Q

Maurer’s dot (stephen christopher’s dots/ cuneiform dots)

Crescent/ banana shaped
“Black water fever”

A

Plasmodium falciparum

Malignant tertian malaria

71
Q

Simian malaria

A

Plasmodium knowlesi

72
Q

Texas cattle fever/ Red water fever/ Tick fever/ Nantucket fever

“Maltese cross”

A

Babesia spp. (Babesia microti, Babesia divergens)

Microbiology (4 decks)

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