Streptococcus Pneumpniae Flashcards

Pasar parcial

1
Q

Principales factores de virulencia de Estreptococos Pneumoniae

A
  1. -Capsula
    • Neumolisina O
    • Proteasa
    • Autolisina
    • Neuraminidasa
    • Componentes de su pared celular
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cuadro clinico Neumonia Neumococica

A

Epiema, bacteremia, escalofrios violentos, fiebre de 38.8-41.1, dolor pleurico, esputo con moco purulento y derrame pleural

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Muestras para diagnostico de infeccion por S. Pneumoniae

A

Esputo, LCR y sangre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

S. Pneumoniae es sensible a………

A

Optoquina y a bilis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Funcion capa polisacarida de S. Pneumoniae

A

Antifagocitica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Morfologia S. Pneumoniae

A

(coco oval o lanceolado)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Acciones neumolisina

A
    • Enlentece los cilios respiratorios
    • Citolitica para celulas eucariotas con colesterol
    • En bajas dosis inhibe quimiotaxis de PMN y en altas dosis activa la via clasica del complemento
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Via de entrada

A

Respiratoria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Función autolisina

A

Lisis de neumococos y liberacion de Ac. Lipotieicoico

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

S. Pneumoniae forma parte de la microbiota normal?

A

De la microbiota transitoria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cuando envejece S. Pneumoniae…..

A

Se tiñe como Gram-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tipo de patogeno S. Pneumoniae

A

Patogeno altamente oportunista

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A quienes afecta S. Pneumoniae

A

Extremos de la vida, condiciones insalubridad y aglomeradas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Funcion de la neuraminidasa de S. Pneumoniae

A

Confiere invasividad

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Funcion proteasas de S. Pneuomoniae

A

Degradan Ig y facilitan colonizacion bacteriana sobre mucosas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Patologias atribuidas a estreptococos pneumoniae

A
Neumonia neumococica
Meningitis
Otitis media
Peircarditis
Endocarditis
17
Q

En donde se adquiere normalmente de neumonia neumococica

A

En la comunidad

18
Q

De acuerdo a su forma y agrupacion es un….

A

Diplococo Gram +

19
Q

Estudios realizados a muestras de pacientes con un diagnostico clinico de infeccion por neumococos

A

Tincion, cultivos y prueba de optoquina

20
Q

Tx frente a S. Penumoniae

A

Penicilina VO, Cefalosporina IV o Eritromicina

21
Q

Prevencion de infeccion por neumococos

A

Vacunacion