The Frequency at Which a Single Neuron Can "Fire" Action

question 137

Multiple Choice

The frequency at which a single neuron can "fire" action potentials is limited by the

• A) closure of the Na⁺ channel inactivation gates.
• B) number of leak channels the neuron has.
• C) number of synapses formed by the neuron.
• D) time it takes for the voltage-gated Na⁺ channels to reopen.
• E) speed at which Cl^‒ ion channels can close.

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Definitions:

Stability

The state of being resistant to change and maintaining the same conditions over time.

Serotonin

A neurotransmitter involved in many functions, including mood regulation, appetite, and sleep, often associated with feelings of well-being and happiness.

Monoamine Oxidase

An enzyme that breaks down monoamines, including neurotransmitters like dopamine and serotonin, impacting mood and behavior.

Neurotransmitters

Chemicals in the brain that transmit signals from one neuron to another, playing key roles in shaping mood and behavior.