A Neuron Is Stimulated, Which Changes Membrane Potential to the Point

question 33

Multiple Choice

A neuron is stimulated, which changes membrane potential to the point where voltage-gated Na⁺ channels open and begin depolarizing the cell. The neuron has reached

• A)recruitment.
• B)threshold.
• C)summation.
• D)tetanus.

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Definitions:

Auditory Cortex

The region of the brain that is responsible for processing auditory information.

Temporal Lobe

A region of the cerebral cortex involved in processing auditory information and is also key in understanding language and forming memories.

Parietal Lobe

A region of the cerebral cortex involved in sensory processing, including touch, temperature, and pain.

Frontal Lobe

The part of the brain involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.