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2nd Year - 1st Sem > (Midterms) Microbio Exam - Transmission > Flashcards

(Midterms) Microbio Exam - Transmission Flashcards

1
Q

Ascaris lumbricoides

A
  1. Soil-transmitted
  2. Airborne
  3. Ingestion of embryonated eggs (infective
    stage)
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2
Q

Necator americanus

A

Active skin penetration of filariform larvae

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3
Q

Anyclostoma duodenale

A

Active skin penetration of filariform larvae

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4
Q

Trichuris trichiuria

A

Ingestion of embryonated eggs

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5
Q

Enterobius vermicularis

A

Ingestion of embryonated eggs
Inhalation of eggs

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6
Q

Strongyloides stercoralis

A
  1. Larvae penetrate though skin
  2. Autoinfection: Larvae penetrate intestinal
    wall directly without leaving host and migrate
    to the lungs
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7
Q

Capillaria philippinensis

A

ingestion of infected fish with L3 larvae

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8
Q

Trichinellas spiralis

A

Ingestion of encysted larvae
often found in raw pork

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9
Q

Wuchereria bancrofti

A

Mosquito bite (Vector) containing L3 Larva

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10
Q

Brugia malayi

A

Mosquito bite (Vector) containing L3 Larva

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11
Q

Taenia solium

A
  1. Ingest undercooked pork
    containing larvae stage
  2. Ingestion of eggs: results in
    cysticercosis
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12
Q

Taenia saginata

A

Ingest undercooked
beef containing
larvae stage

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13
Q

Diphyllobothrium latum

A

Ingest larvae in raw freshwater
fish

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14
Q

Echinococcus granulosus

A

Ingestion of fertilized egg in
food contaminated with dog
feces (Dog is the definitive
host)

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15
Q

Clonorchis sinensis

A

ingestion of raw or
undercooked freshwater fish
containing metacercariae

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16
Q

Plasmodium species

A

Arthropod-transmitted:
Bite of Anopheles mosquito containing
sporozoites

16
Q

Fasciola hepatica

A

ingestion of raw, fresh-water
vegetation with encysted
metacercariae

17
Q

Schistosoma

A

direct penetration of the skin
by cercariae (mature larvae)

18
Q

Trypanosoma cruzi

A

Arthropod-transmitted: Transmitted
by the Reduviid bug/Triatoma (kissing
bug)
Contaminated blood transfusion

18
Q

Trypanosoma brucei
gambiense

A

Arthropod-transmitted: Bite of
tsetse fly (Glossina species)
Contaminated blood transfusion

19
Q

Entamoeba histolytica

A

Ingestion of fecally-contaminated
food or water containing mature or
quadrinucleate cyst
Venereal transmission through
fecal-oral contact (STI)

19
Q

Taxoplasma gondii

A

Congenital transmission
Ingestion of oocyts in raw pork
Inhalation of oocysts from cat
feces

20
Q

Giardia lamblia

A

Fecal-oral:
Ingestion of
mature
Cyst

21
Q

Trichomonas vaginalis

A

Contact-transmitted: Sexual
intercourse

2nd Year - 1st Sem (20 decks)

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