VIRUS RESPIRATORIOS Flashcards

1
Q

El virus de la influenza A y B, de la familia Orthomyxoviridae se caracteriza por:

A

Su transcripción y traducción en el núcleo

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

Hemaglutinina (HA) y Neurominidasa (NA), son factores de virulencia de:

A

Influenza A y B

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

Salto antigénico se refiere a:

A

Influenza A, de la pandemia AH1N1

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

Características para el diagnóstico de Influenza:

A

RNA -, segmentado, con envoltura y helicoidal

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

Virus que causa Bronquiolitis y neumonía en infantes y menores de 1 año:

A

Sincitial Respiratorio

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

La formación de sincitios está dada por:

A

Proteína de Fusión (F)

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

La virulencia del VSR causa:

A

Necrosis de bronquios y bronquiolos, tapones de moco.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Para el Dx de VSR se observa en la histopatología:

A

Células gigantes multinucleadas

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

Causante de crup (laringotraqueobronquitis) en niños:

A

Parainfluenza

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

Es una manifestación de la Parainfluenza:

A

Tos Perruna

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

El 50% del resfriado común es causado por:

A

Rinovirus

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

El Rinovirus se puede manifestar con:

A

Con o sin fiebre

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

Mecanismo patogénico del Rinovirus:

A

Mediadores químicos inflamatorios –> vasodilatación

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

Virus que se adhiere gracias a ICAM-1:

A

Rinovirus

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