Hepatitis B Flashcards by Naomi Márquez | Brainscape

Q

A qué familia pertenece hepatitis B?

A

Hepadnavirus

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Q

Genoma de hepatitis B

A

dsDNA

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Q

Qué codifica hepatitis B?

A

Transcriptasa reversa

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Q

Presenta envoltura?

A

Sí

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Q

Cuáles son los antígenos que presenta?

A

HBcAg
HBsAg
HBeAg

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Q

Antígeno de proteína adherida al genoma

A

HBcAg

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Q

Antígeno de glucoproteína de superficie

A

HBsAg

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Q

Antígeno que no se ensambla

A

HBeAg

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Q

Cuál es el antígeno que la célula puede detectar?

A

HBsAg

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Q

Cuántos genotipos existen?

A

8 (A-H)

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Q

Transmisión de hepatitis B (3)

A

Sexual
Sangre
Vertical

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Q

Cómo es la prevalencia en México?

A

Baja

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Q

En qué género se presenta más la hepatitis B

A

Masculino

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Q

Cuál es el período de incubación de hepatitis B?

A

45 a 160 días

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Q

Qué porcentaje presenta riesgo de muerte por falla hepática?

A

1%

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Q

Quién presenta mayor riesgo de padecer infección crónica por hepatitis B?

A

Recién nacidos (transmisión vertical)

Q

¿Quién son los grupos de riesgo?

A

Inmunocomprometidos
Hemodiálisis

Q

Cuándo se aplica la vacuna para hepatitis B?

A

En las primeras 12 horas

Q

Cómo es la vacuna de hepatitis B?

A

Recombinante con antígeno de superficie

Q

Tiene tratamiento especifico?

A

Sí (contra la transcriptasa reversa)