Nuclear Medicine Q-5

Q-5. Gamma camera in Nuclear Medicine is used for: (Al 05)
a) Organ imaging
b) Measuring the radioactivity
c) Monitoring the surface contamination
d) RIA

Answer: Measuring the radioactivity
Explanation:
The decay of radio-tracer leads to emission of gamma rays which are measured by gamma camera with help of scintillation crystal.
Important point:
Gamma camera in nuclear medicine is used for measuring radio-activity.