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base de cardiologie Flashcards

(6 cards)

1
Q

Quels sont les but de la circulation

A
  • apportr l’oxygène, des combustibles mtaboliques, des vitamines, des hormones à l’ensemble des tissus et de la chaleur à chaque cellule
  • élimination des catabolites, de chaleur des cellules
  • échanges entre les différentes partie de l’organisme
  • -> maintien l’homéostasie
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2
Q

Composantes de la circulation sanguine

A
pompe=coeur
transporteur=sang
tuyaux de distribution = artères
zone d'échange= capillaires
tuyaux de drainage = veinees et lymphatiques
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3
Q

Exemple de circulation ouverte, semi-ouverte et fermée

A
  • système digestif
  • pulmonaire
  • sanguin
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4
Q

temps circulatoire d’un éléphant et d’une souris

A

140sec et 4sec

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5
Q

répartition du débit cardiaque au repos

A
Coeur: 5-10%
Cerveau: 15%
TGI et foie:20%
Reins:20%
Muscles:20%
Peau et os :le reste

Coeur et Cerveau –> seul qui reste stable même lors d’un effort

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6
Q

% du poids corporel = le volume sanguin

A

5.5 à 11%

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