Which Statement Is True for Radioisotopes

question 22

Multiple Choice

Which statement is true for radioisotopes?

• A) radioisotopes have unstable nuclei that emit subatomic particles and radiation
• B) all radioisotopes have gained electrons
• C) radioisotopes are useful to guard against radioactive elements
• D) radioisotopes contain particles too large to form true solutions

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Definitions:

Electrocardiograph

A medical device used to record the electrical activity of the heart over a period of time.

Sympathetic Division

Part of the autonomic nervous system responsible for the body's 'fight or flight' response, activating physiological changes during times of stress or emergency.

Parasympathetic Division

A branch of the autonomic nervous system responsible for 'rest and digest' activities, slowing down the body after stress or exertion.

Intense Arousal

A heightened state of physiological activity and alertness, often associated with emotions such as excitement, anxiety, or fear.