Cobalt-60 Is a Radioactive Isotope of Co That Is Used

question 79

Multiple Choice

Cobalt-60 is a radioactive isotope of Co that is used for radiation therapy. It is produced originally from iron-58 ( ) according to the step . Which particle did the iron-58 absorb to become iron-59?

• A) "  " particle
• B) neutron
• C) proton
• D) electron
• E) "  " ray

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Definitions:

Cytokines

These chemical messengers are produced by the body as part of its immune response. These proteins can either promote inflammation or reduce it.

Dopamine

A neurotransmitter and a hormone that serves many functions in the body. As a neurotransmitter, it is involved in several brain processes, including reward systems. Low levels of dopamine production are associated with Parkinson’s disease.

Lifespan

The duration of time an individual lives, from birth to death, taking into consideration the developmental stages and transitions faced over the years.

Neurons

The building blocks of the brain, these nerve cells are specialized for the transmission of electrical impulses.