An Action Potential Is ​

question 221

Multiple Choice

An action potential is ​

• A)the tiny electrical charge that exists when a neuron is neither receiving nor sending information.
• B)an electrical signal that travels along the axon of a neuron.
• C)the small gap that exists between adjacent neurons.
• D)an electrical signal that travels along the dendrites of a neuron.

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Definitions:

Tectum

Roof of the midbrain.

Superior Colliculi

Paired structures in the midbrain that are involved in visual and auditory reflexes and coordinate head and eye movements.

Cerebrum

The cerebrum is the largest part of the brain, responsible for higher brain functions such as thought, action, reasoning, emotion, and memory.

Inferior Colliculi

Pair of structures located in the midbrain, involved in auditory processing and acting as a major relay center for sound information.