2-2 Cokes Flashcards by karla villasin

Q

T or f?

A

They are obligate intracellular pathogens

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Q

Coccidians are member of class ?

A

Sporozoa (apicomplexa)

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Q

Life cycle is alternation of?

A

Sexual and asexual

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Q

Sexual phase include?

A

Spore and gametes
Sporogony
Gametogony

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Q

No longer a coccidia

A

Pneumocystis

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Q

Mature oocyst with 2 sporocyst w 2 sporozoites

A

Cyclospora

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Q

Definitive host of isospora belli

A

Humans and animals

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Q

Intestinal biopsy of isospora belli?

A

Shortened villi

Hypertrophied crypts

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Q

Staining used to visualize isospora

A

Iodine
Kinyoun
Auramine

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Q

Isospora Can be tx by?

A

Bed rest when ni sx

Trimeth-sulfa - w sx

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Q

Isospora is common in?

A

Children and homos

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Q

Humans are definitive for sarcocytis sp?

A

Hominis

Suihominis

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Q

Sinplest form of sarcocyst

A

Bradyzoite

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Q

Composed of large numbers of zoites surrounded by a cyst wall

A

Sarcocyst

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Q

Has a refractile residual body

A

Sarcystis

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Q

Penetrate the muscle cells and encyst

A

Merozoites

Q

Invade endothelial cells?

Invade intestine cell?

A

Sporozoite

Brady zoite

Q

Accidental ingestion of sporocysts

A

Human intramuscular sarcocytosis

Q

Dx of sarcocystis in DH

A

Flotation in stool

Q

Dx in IH in sarcocytis

A

Tissue biopsy

Q

Hardy cyst

A

Creeptosporidium

Q

Transmission of cryptosporidium

A

Water borne