Question

which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high - energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.

Explanation:

Radioactive isotopes are used in medical diagnosis to detect problems. They are also used in treatment of diseases like cancer, where radiation from them can kill cancer cells and can be directed at tumors from outside the body. Gamma - rays are emitted by radioactive isotopes, not injected as such.

Answer:

• Radioactive isotopes are used to detect medical problems.
• Radioactive isotopes are used to treat some diseases.
• Radiation is used to kill cancer cells.
• Radioactive isotopes are directed at tumors from outside the body.