Radiopharmaceutical used for liver scan is: (A) Technetium 99m sulphur colloid, (B) Tc99m mebrofenin, (C) Tc-99m MIBI, (D) Tc99m DTPA
Answer is A. A radio active subtance called radio pharmaceutical is formed or radio active tracer is formed by addition of a radioactive atom to a moleclue absorbed by a normal liver tissue.