Gamma ray camera can observe radiations from the .............. that are concentrated in the organs.
Correct answer: B. Isotopes
- A. Atoms
- B. Isotopes
- C. Nucleons
- D. Neutrons
Explanation
This option is correct. Isotopes are forms of elements that have the same number of protons but different numbers of neutrons. Certain isotopes are radioactive and emit gamma rays. In medical imaging, radioactive isotopes are used to observe the radiations concentrated in organs, making them ideal for gamma ray cameras.
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Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.
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