4.1- Le sang (cours 2) Flashcards

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1
Q

C quoi le plasma?

A

liquide dans lequel baignent plaquettes, globules rouges, globules blancs

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2
Q

de quoi est const. plasma?

A

90% eau

10% protéines plasmatiques

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3
Q

types protéines plasmatiques + fonctions:

A
  • lipoprotéines: transport cholestérol (LDL, HDL)
  • albumines: responsables équilibre osmotique (et transporteur d’hormones/enzymes
  • immunoglobulines: protection immunitaire
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4
Q

Que font les immunoglobulines?

A

reconnaissent corps étrangers:

-identifient, se collent et attirent globules blancs

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5
Q

marqueurs de reconnaissance:

  • sert à quoi
  • où?
A
  • permet de distinguer les cellules appartenant au corps à celles qui entrent par intrusion
  • sur parois de tt cellules corps
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6
Q

agglutinogène:

  • c quoi
  • synonyme(s)
  • types
A
  • marqueur de reconnaissance
  • antigène
  • A, B, Rh
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7
Q

possibilités groupes sanguins:

A
A+
A-
B+
B-
AB+
AB-
O+
O-
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8
Q

Agglutinines:

  • c quoi
  • sert à quoi
A
  • anticorps dirigé contre agglutinogènes non présents

- dans plasma

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9
Q

(revoir possibilités transfusion sanguine)

A

; ))

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10
Q

donneur universel:

A

O-

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11
Q

receveur universel:

A

AB+

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12
Q

Agglutination: c’est quoi

A
  • agglutinine + son agglutinogène = agglutination

- globules rouges se regroupent, puis figent

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