<prompt> Which of the following agents is used to measure Glomerular Filtration RateIodohippurateTc99m-DTPATc99m-MAG3Tc99m-DMSA  <response>: Tc99m-Diethylene Triamine Pentothenic Acid DTPA is an agent of choice widely used in measuring GFR. REF : DAVID SUTTON 7th ed 