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Infectious Disease > ID Final Pt 3 Protozoans > Flashcards

ID Final Pt 3 Protozoans Flashcards

1
Q

2 general types of organisms classified as Parasites

A

Protozoa and Worms (Helminths and Arthropods)

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2
Q

What protozoan is prevalent in the US?

A

Giardia trophozoite

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3
Q

Patient has nonbloody diarrhea, intestinal pain, cramps, and weight loss

A

Giardiasis caused by Giardia lamblia

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4
Q

What causes Trichomoniasis?

A

Trichomonas vaginalis.

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5
Q

What protozoan is transmitted by Sand fly bites in Central & South America? What’s the disease name?

A

Leishmania. Leishmaniasis

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6
Q

What protozoan is transmitted by tse tse flies in Africa, and by Reduviid bugs in America?

A

Trypanosoma

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7
Q

Trophozoites & cysts in stools and serology.

A

Entamoeba histolytica

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8
Q

Oral-fecal spread via cysts in water and food; person to person contact.

A

Entamoeba histolytica

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9
Q

How is Entamoeba histolytica diagnosed and spread?

A

Diag. Trophozoites & cysts in stools and serology.

Spread: Oral-fecal spread via cysts in water and food; person to person contact

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10
Q

What causes Meningoencephalitis (2)?

A

Acanthamoeba & Naegleria (both are amoebae)

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11
Q

How are Acanthamoeba & Naegleria transmitted?

A

Acquired when swimming in freshwater ponds and lakes during a “bloom”

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12
Q

How is Trichomonas vaginalis usually transmitted?

A

Sexually

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13
Q

What protozoan causes Dysentary/diarrhea?

A

Balantidium coli

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14
Q

What does Balantidium coli do?

A

Causes Dysentary/diarrhea

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15
Q

What protozoan causes a serious disease in immunocompromised and newborns?

A

Toxoplasma gondii

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16
Q

Sure there are 3 bacteria that cause Malaria, but what protozoan causes Malaria?

A

Plasmodium

17
Q

What disease does Plasmodium cause? How is it spread (2)?

A

Malaria. Spread is bloodborne and vector is Anopheles mosquito

18
Q

Toxoplasma is spread by

A

cat feces

19
Q

Name disease/protozoan: nausea, cramps, diarrhea, esp. immunocompromised & AIDS

A

Cryptosporidiosis. Cryptosporidium

20
Q

What does Crytptosporidium parvum cause?

A

Cryptosporidiosis, which is an intestinal disease. Cramps, diarrhea, esp in AIDS and immunocompromised.

21
Q

Name the malarial organism that has the greatest mortality

A

Plasmodium falciparum

Infectious Disease (6 decks)

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