<prompt> Which of the following methods is not used for measurement of body fluid volumes?Antipyrine for total body waterInsulin for extracellular fluidEvans blue for plasma volume125I-albumin for blood volume  <response>: Albumin tagged with radioactive iodine 131 ie RISA, radioiodinated serum albumin is used. Ref: Textbook of medical physiology by N Geetha, 2nd edition, page no. 117 