What is Gamma Rays are used in? and explain in detail?
*PET Scan uses Gamma Rays. *Gamma Rays are used in SCINTIGRAPHY STUDIES(Tc99m radioisotope studies),SPECT(Single Photon Emission Computerised Tomography) studies and PET scan (Positron Emission Tomography), Bone scan (Tc99m-MDP studies) *All other investigations given in the options use X rays.