Which of the following methods is NOT used for measurement of body fluid volumes: March 2013: (A) Antipyrine for total body water, (B) Insulin for extracellular fluid, (C) Evans blue for plasma volume, (D) 125I-albumin for blood volume
Answer is D. Ans. D i.e. 125I-albumin for blood volume Blood cell volume is determined by hematocrit value and radioisotope method (mainly Cr52).