The Dose Unit of Ionizing Radiation Is Called the Rad

question 70

Multiple Choice

The dose unit of ionizing radiation is called the rad. The rad is defined in terms of

• A) the half-life of a radioisotope.
• B) the energy deposited per gram of an object.
• C) the biological damage produced.
• D) the accumulation of fission products.
• E) the number of ions per centimeter.

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Definitions:

Potassium Ions

Essential positive ions (K+) within cellular processes, crucial for nerve function, muscle contraction, and maintaining fluid and electrolyte balance.

Cerebrum

The largest part of the brain, responsible for voluntary actions, sensory perception, thought, reasoning, and memory.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem to the lower back, carrying nerve impulses between the brain and the body.

Reflex Actions

Automatic and involuntary responses to stimuli facilitated by neural pathways known as reflex arcs, crucial for survival by enabling quick reactions without direct involvement of the brain.