When an Axon Is Depolarized to Approximately ________ Millivolts, an Action

question 28

Multiple Choice

When an axon is depolarized to approximately ________ millivolts, an action potential is initiated.

• A) −55
• B) −70
• C) 0
• D) +30

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Definitions:

Attention Deficit Hyperactivity Disorder (ADHD)

A brain disorder marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.

Learning Disabilities

Neurologically based processing problems that can interfere with learning basic skills and can affect one's ability to think, remember, or reason.

Cocaine

A stimulant drug derived from the leaves of the coca plant, which can lead to serious physical and psychological effects when abused.

Drug Toxicity

The harmful effects caused by the excessive consumption or exposure to chemical substances or pharmaceuticals.