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ASCARIASIS Flashcards

(9 cards)

1
Q

que es la ascariasis?

A

es una geohelmintosis, el agente causal requiere de la tierra para que se forme la fase infectiva.

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2
Q

caracteristicas generales del ascaris,,, que fases atraviesa

A

es un gusano que atraviesa por la fase de huevo, 4 fases larvarias y el adulto, macho o hembra

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3
Q

caract de la hembra ascaris

A

15-45 cm, pueden contener hasta 27 millones de huevos y se estima que pone 200,000 huevos diarios

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4
Q

caract del macho ascaris

A

mide de 15-30 cm, los genitales son tumulos diferenciados en testiculos, conducto deferente, vesicula seminal, conducto eyaculador y cloaca

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5
Q

como pueden ser los huevos de ascaris?

A

fecundados - son ovoides
no fecundados

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6
Q

las hembras que no se aparearon depositan los huevos sin fecundar

A

partenogenesis

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7
Q

describa el ciclo biologico de ascaris

A
  1. macho y hembra copulan en la luz intestinal, despues de varios dias la hembra ovipone
  2. los huevos caen a la luz intestinal y son arrojados al exterior junto la materia fecal
  3. huevos no son infectivos, requieren de 15-21 dias para se larve su interior para ello se necesita de suelo.
  4. en la tierra el huevo se enlarva 1er estadio, 5-10 dias dsps la larva se muda y se transforma en L2 estadio (en el huevo)
  5. L3 ocasiona sintomatologia, esta fase asciende por brionquiolos, bronquios, traquea, laringe, entonces es deglutida
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8
Q

como se diagnostica ascariasis

A

rayos x
estudios serologicos

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9
Q

tratamiento para la ascariasis

A

albenzadol, mebendazol, pirantel

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