Hemostasia Flashcards

1
Q

La postaciclina tiene funcion de

A

Anti agregante plaquetario

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2
Q

Función del Monoxido de nitrogeno

A

Vasodilatador

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3
Q

El factor Vom Willebran actua en que fase de la hemostasia

A

Hemostasia primaria, se une al GP Ia-IIa ycla GP1b

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4
Q

Donde se produce y almacena el FvW

A

En los megacariocitos y se almacena en los cuerpos Weibel-Palade

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5
Q

La via extrínseca inicia con

A

Factor III: Tromboplasgina tisular

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6
Q

La via intrínseca inicia con

A

Fosfolipidos plaquetarios se unen a factor XII (F. hagenann o F.de contacto)

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7
Q

Cuales factores no de sintetizan en higado

A
F VIII (Antihemofilico A) que se sintetiza en endotelia
Y Ca
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8
Q

Factores dependientes de vit K

A

F II (Protombina), FVII (Proconvertina), FIX (Antihemofilico B) y FX (F.Stuart)

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9
Q

En cuánto tiempo se retrae un coagulo

A

20-30 min

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10
Q

Quién media la fibrinolisis

A

Activador del plasminogeno (TPA).

Su inhibidor es PAI-1

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11
Q

Valores normales Tiempo de sangrado (DUCK)

A

1-3 min

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12
Q

Valores normales

Recuento plaquetario

A

150 000- 450 000

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13
Q

Valores normales

TTPA

A

25-49 seg

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14
Q

Valores normales

TP

A

11-13,5 seg

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15
Q

Valores normales

Fibrinogeno

A

200- 400

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16
Q

Valores normales

Dimero D

A

< 500