Virus Hepatitis A Flashcards

1
Q

Tipo de fam

A

Picornaviridae

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2
Q

Genoma

A

Lineal monocatenario ARN

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3
Q

Simetria

A

Cubica

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4
Q

Resistente a

A

Ambiente , eter 20% acidez ph

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5
Q

Estable a calor temperatura

A

60 g

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6
Q

Infectividad como se almacena

A

A 25. C

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7
Q

Infectividad durante años a temperatura de -

A

20

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8
Q

Epidemiologia

A

Hombre reservorio

Fecal-oral

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9
Q

Comunes en sitios cerrados, guarderias, escuelas etc

A

Virus H /A

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10
Q

Las heces son contagiosas desde

A

2 semanas antes hasta 2 despues de icteria

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11
Q

La mayoria de niños se vuelve inmune a los

A

10 años

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12
Q

Tasas elevadas

A

5-14 años

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13
Q

Atraviesan epitelio (virus)

A

Digestivo. Pasa a sangre para llegar a higado

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14
Q

Se multiplica en

A

Celulas del higado

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15
Q

Es elimindado por exocitis osea q

A

No causa lisis celular directa

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16
Q

95% es

A

Asintomatica

17
Q

Se elimina por

A

Heces

18
Q

Sintomas

A

Febricula
Anorexia
Nausea

19
Q

Es auto

A

Limitada

20
Q

Tiene un pronostico

A

Bueno

21
Q

No evoluciona a

A

Cronicidad

22
Q

Diagnostico

A

Deteccion de Ac de clase igM en suero de paciente

23
Q

Manifistan que se ha tenido la enfermedad

A

Anticuerpos IgG