M1S2 Flashcards

1
Q

Eau : teneur global de l’organisme

A

60%.
La quantité dépend de l’âge, l’adiposité et le sexe.

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2
Q

Répartition dans les tissus

A

Sang = 80%
Organes “mous” = 70-80%
Muscles = 70%
Tissus adipeux, os, dent = 30-10%

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3
Q

Répartition selon compartiments liquidiens :

A

Intracellulaire : 40-45%
Extracellulaire : 15-30%
Liquide interstitiel : 10% du PDC
Plasma : 5% PDC.

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4
Q

Rôles

A

Solvant, transport, réactions chimiques, maintien équilibre acido-basique, régulation thermique, amortisseurs.

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5
Q

Apports en eau :

A

2,5L
- 60% boissons,
- 30% aliments,
- 10% métabolisme.

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6
Q

Pertes en eau

A

2,5L
- 60% reins,
- 28% peau, poumons,
- 8% sueur, transpiration,
- 4% matières fécales.

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7
Q

Quantité de survie

A

1L

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8
Q

Bilan en eau

A

Équilibrer les pertes :
Mécanismes de la soif,
Perte régules par reins et mécanismes de reabsorption.

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9
Q

Apports pour nourrisson :

A

0.35mL/kJ = 1,5mL/Kcal.
- 0-3 = 150
- 3-6 = 125
- 6-1an = 100

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10
Q

Enfants, ados, adultes

A

0,25mL/kJ = 1mL/kcal
AS de 2,5L hommes,
2L femmes.

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11
Q

Attention :

A

Personnes âgées perte senstation de soif min 1,5L.
Fortes chaleur ++.

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12
Q

Grossesse - allaitement :

A

+ d’eau car prise de poids et besoins pour dv du fœtus.
Infection urinaires et constipation.
Allaitement perte en eau importante !

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13
Q

Activité physique

A

Transpiration, boire en prévention car soif tardive.
Évaporation = 1g d’eau perte de 2,5kJ.

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