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(3)ECF and ICF – Volume and Concentration Distribution for Moodle > 1 > Flashcards

1 Flashcards

1
Q

how much does body fluid make up of total mass of the body?

A

60%

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2
Q

What percent does the ECF makeup of the total body mass?

A

20%

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3
Q

What percent does the ICF makeup of the total body mass?

A

40%

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4
Q

What is the ECF further divided into

A

Interstitial fluid and blood plasma

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5
Q

What percent does interstitial fluid make up of ECF

A

75%

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6
Q

What percent does blood plasma make up of ECF

A

20%

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7
Q

Out of the total water in the body what is the fraction of ECF

A

1/3

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8
Q

Out of the total water in the body what is the fraction of ICF

A

2/3

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9
Q

What type of dye is used for blood volume

A

chromium51 RBCS

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10
Q

What type of dye is used for plasma volume

A

evans blue dye

protien+ radioactive iodine (I- albumin)

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11
Q

how do you calculate intracellular body fluid voulme

A

TBW - ECFV

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12
Q

What type of dye is used for extracellular fluid volume

A

radioactive sodium
inulin
radioactive sodium lothalamate

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13
Q

What type of dye is used for total body water

A

radioactive water

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14
Q

how do you calculate interstatial volume?

A

ECFV-Blood plasma

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15
Q

What is the tonicity of a 5% Dextrose solution

A

Isotonic

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16
Q

What is the tonicity of a Ringer’s lactate solution

A

Isotonic

17
Q

What is the tonicity of a 0.9% NaCl (saline)

A

Isotonic

18
Q

What is the tonicity of a 0.45% NaCl (saline

A

Hypotonic

19
Q

What is the tonicity of a 3% NaCl (Saline)

A

Hypertonic

20
Q

What is the tonicity of a 10% dextrose

A

Hypertonic

21
Q

What are the four conditions for the indicator dilution method?

A

1) It rapidly equilibrates in the compartment

2) It disperses evenly throughout the compartment

3) It disperses only in the compartment that is being measured
4) It is not metabolized or excreted

22
Q

Does water move from the ECF to ICF if there is no change in osmolarity?

A

NO

23
Q

Is central diabetes insipidus hypo ot hypertonic?

A

central diabetes insipidus there would be deficient secretion of antidiuretic hormone

So it will be loss of hypotonic fluid (which will make the ecf hypertonic)

(3)ECF and ICF – Volume and Concentration Distribution for Moodle (1 decks)

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