Radiology All India exam 401f8c95 Which of the following agents is used to measure Glomerular Filtration Rate A Iodohippurate B Tc99m-DTPA C Tc99m-MAG3 D Tc99m-DMSA High-Yield Explanation Tc99m-Diethylene Triamine Pentothenic Acid (DTPA) is an agent of choice widely used in measuring GFR. REF : DAVID SUTTON 7th ed