<prompt> In radionuclide imaging, the most useful pharmaceutical agent for skeletal imaging is___:Gallium 67Technetium 99 linked to MDPTechnetium-Sulphur colloidTechnetium 99m  <response>: Ans. B. Technetium 99 linked to MDPMDP Methyl diphosphonate adsorbs into the hydroxyapatite crystals and gets accumulated in the areas of active bone formation which can be detected by nuclear imaging. 