Cobalt-60 is used for treatment of:
Correct answer: A. Cancer
- A. Cancer
- B. Kidneys
- C. Lungs
- D. Thyroid
Explanation
Explanation is given below: Cobalt-60 (Co-60) is a radioactive isotope of cobalt that has been used in various medical applications, particularly in radiation therapy for the treatment of cancer. It emits high-energy gamma rays, which can penetrate tissue and damage the DNA of cancer cells. This makes it useful in the following ways: Radiation Therapy: Cobalt-60 is commonly used as a radiation source in radiotherapy machines called Cobalt-60 teletherapy units. These machines deliver precise and controlled doses of radiation to target and destroy cancer cells. They are especially effective for treating deep-seated tumors. Brachytherapy: In some cases, cobalt-60 can be used in brachytherapy, where radioactive sources are placed directly inside or near the tumor. This allows for very localized and targeted radiation treatment. Cobalt-60 has been used for many years in medical applications, but newer technologies and isotopes are also used in radiation therapy today, including linear accelerators and other radioactive sources. The choice of treatment method and radiation source depends on the type and location of the cancer, as well as the specific treatment plan designed by the medical team.
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About Biological and Medical Uses of Radiation
Radiation in medicine includes X-rays and gamma rays for imaging, radioactive tracers for diagnosis, and controlled radiation for destroying cancerous tissue. The topic also covers CT scans, PET imaging, radiotherapy, sterilisation, half-life and dosage, alongside biological damage, shielding and the need to balance diagnostic or therapeutic benefit against exposure.
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