Renal DSA

Question 1

Total body weight in fluid as a percent wight of the body, fraction of TBW, and a marker to measure it

Answer 1

1. 60% of BW
2. 1.0 fraction of TBW
3. Markers: D20, THO, antipyrine

Question 2

ECF: % of body weight, fraction of TBW, marker

Answer 2

20% body weight
1/3 of TBW
markers: inulin, mannitol, sulfate

Question 3

ICF: % of body weight, fraction of TBW, markers

Answer 3

60% of body weight
2/3 of TBW
marker: TBW- ECF

Question 4

Plasma: % body weight, fraction of tbw, marker

Answer 4

4% of body weight
1/12 (or 1/4 of ECF)
markers: radioiodinated serum albumin (RISA): evans blue

Question 5

interstitial fluid: % body weight, fraction tbw, markers

Answer 5

16% of body weight,
1/4 (or 3/4 of the ECF)
markers: ECF- plasma