transport des gaz Flashcards

1
Q

rapport ventilation / perfusion aux sommets pulmonaires

A

bien ventilé mais mal perfusé

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2
Q

rapport ventilation / perfusion aux bases pulmonaires

A

bien perfusé mais mal ventilé

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3
Q

gaz transporté dans le sang sous forme … exerce une fonction physiologique ⭐️

A

DISSOUTE

mais pas la forme combinée

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4
Q

O2 faiblement dissous dans

A

le plasma et le cytoplasme des globules rouges

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5
Q

O2 essentiellement combiné à

A

l’hémoglobine SEUELEMNTT

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6
Q

CO2 essentiellement combiné à

A

bicarbonates dans le plasma

hémoglobines

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7
Q

saturation en O2 > 90% quand la pression partielle en O2 > 60mmHg = dans le sang

A

arteriel

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8
Q

saturation en O2 = 75% quand la pression partielle en O2 = 60mmHg = dans le sang

A

veineux

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