Positron Emission Tomography Is a Valuable Research Tool Because It

question 55

Multiple Choice

Positron emission tomography is a valuable research tool because it

• A) pictures the brain in fine detail.
• B) involves angiography.
• C) provides an image of brain function.
• D) provides an image of brain structure.
• E) involves low levels of radioactivity.

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Definitions:

Reuptake

The process by which neurotransmitters are absorbed back into a neuron after they have transmitted a neural impulse across the synapse.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting attention, heart rate, and the mobilization of brain and body energy.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in regulating mood, sleep, appetite, and digestion.

Depression

An unending depressed state or lack of joy in regular activities, causing noticeable dysfunction in everyday life, defines this mental health issue.