water and electrolyte balance and imbalance Flashcards

1
Q

total body water in adults

A

60-70% 36L to 49L

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2
Q

two compartments of body fluid

A

interstitial fluid

and extra cellular fluid

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3
Q

intercellular fluid ? and its %

A

fluid present inside the body and it is 50% which is 35 L

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4
Q

ECF ? and its %

A

fluid outside the cells

20% which is 14%

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5
Q

2 compartments of ecf?

A

interstitial fluid

and plasma

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6
Q

plasma

A

fluid present in blood and heart

it is 5% and 3L

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7
Q

interstitial fluid

A

15% and 11L

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8
Q

what is interstitial fluid and its L and percenatge of total body fluid

A

actual fluid around the cell

4L AND Its 7.5 % of total body fluid

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9
Q

transcellular fluid

A

formed by secretory and transport activity like salivary glands, pancreas, liver and biliary tract, lumen of GIT
aqueous humour, CSF spinal canal and ventricles of brain

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10
Q

4 subdivision of ecf

A
  1. plasma
  2. inertstital and lymph fluid
  3. fluid of dense connective tissue, cartilage and bones
  4. transcellular fluid
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11
Q

electrolytes are

A

KCL NACL which dissociate into water as NA and K and CL ions

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12
Q

anions and cations

A

anions are -

cations are +

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13
Q

organic large substances

A

proteins which just have the affect on water of the transfer of fluid from one compartment to the other and not the total body water

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14
Q

inorganic electrolytes

A

by far the most important in distribution and retention of water in the body

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15
Q

cations mEq/L in plasma

A
na= 143
ca= 5
K = 5
mg= 2 
total= 155
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16
Q

cations mEq/L in tissue fluid

A
na= 145
K=5
mg=2
ca=3
Total= 155
17
Q

anions Meq/L in plasma

A
cl= 103
hco3= 27
hpo4= 2
so4= 1
protein= 16
organic acids= 7
total= 155
18
Q

anions in tissue fluid

A
cl= 116
hco3= 27
hpo4= 3
so4= 2
protein= 1
organic acids= 6 
total= 155
19
Q

electrolyte composition of ICF

A

196 mEql of anions and cations

20
Q

anions and cations present in ICF

A

cations = K and Mg
which are balanced by anions
anions= PO4 and Pr

21
Q

cat and an present in icf in small amount

A

Na, HCO3, cl and na

22
Q

phosphate present in icf

A

phosphoric esters of hexones, creatinine phosphate, Atp and inorganic phosphatase

23
Q

cations in ICF

A
k= 150
mg = 40
na= 5 
total = 195
24
Q

anions in ICF

A
HPO4= 110
protein= 50
so4= 20
HCO3= 10
Cl= 5
25
Q

MEMBRANE seperating ICF from tissue fluid

A

its semi permeable and its called slow membrane
allows movement of water only (no electrolytes and proteins)
water moves from lower osmotic pressure to higher osmotic pressure and until equilibrium

26
Q

fast membrane

A

membrane separating the vascular compartments from icf