Which of the Following Is True of Neural Impulses in a Single

question 405

Multiple Choice

Which of the following is true of neural impulses in a single neuron?

• A) The neuron may fire during the absolute refractory period.
• B) The strength of a neural impulse increases as the strength of the incoming message gets stronger.
• C) The strength of a neural impulse decreases as the strength of the incoming message gets stronger.
• D) The strength of a neural impulse is the same each time the neuron fires.

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Definitions:

Dopamine

A neurotransmitter associated with pleasure, movement, and attention, playing a significant role in the brain's reward system.

Limbic System

A set of subcortical brain structures central to emotion, memory, and reward processing.

Norepinephrine

A neurotransmitter and hormone important in the body's response to stress and regulation of blood pressure, heart rate, and sleep.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for rapid response to threatening or stressful situations by increasing heart rate, blood pressure, and energy availability.