Question

Radioactive nuclei injected into a patient collect at certain sites within the body,undergo radioactive decay and emit electromagnetic radiation.These radiations can then be recorded by a detector.This procedure provides an important diagnostic toll called

• A. Gamma camera
• B. CAT scan
• C. Radio tracer technique
• D. Gamma ray spectroscopy

Answer 1

Answer: (C)

Radio tracer technique

Tracers are a common application of radioisotopes. A tracer is a radioactive element whose pathway through which a chemical reaction can be followed. Tracers are commonly used in the medical field and in the study of plants and animals. Radioactive Iodine-131 can be used to study the function of the thyroid gland assisting in detecting disease.