This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'Isotope used in ventriculography is \nSelect and explain. \nA. Gallium, B. Lipoidate, C. Technetium (Tc), D. Diatrizoate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Technetium Radionuclide Used In Technetium (Tc) 99 VentriculographyQ, Bone scanQ, Liver scanQ, Kidney Thallium - 201 Myocardiol perfusionQ Tc 99-pyrophosphate Myocardial Infarction (MI) = hot spot in acute MIQ Tc-albumin Myocardial function (ventriculography)12 Tc- Thallium - substraction scan MIBI -Scan (preferred) Parathyroid G landQ Tc - labelled - RBC Splenic diseaseQ MIBG Scan (using 1123/031) Extra-adrenal /Ectopic /Metastatic / Locally recurrent pheochromocytomaQ Selenium 75 methionine PancreasQ 1131 & 1132 Placental functionQ 1131 & Selenium Thyroid Kidney 1131 ohohippurate Gallium scan Abscess', 'role': 'assistant'}]