Increasing Excitatory Signals Above the Threshold for Neural Activation Will

question 351

Multiple Choice

Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential.This indicates that a neuron's reaction is

• A) inhibited by the myelin sheath.
• B) delayed by the refractory period.
• C) an all-or-none response.
• D) dependent on neurotransmitter molecules.

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Definitions:

Neurotransmitter Imbalances

Neurotransmitter imbalances involve irregular levels of chemical messengers in the brain, which can affect mood, behavior, and cognitive functions.

Anxiety Disorders

A group of mental health conditions characterized by excessive fear, anxiety, and related behavioral disturbances.

Phobias

Intense, irrational fears of certain objects, activities, or situations that lead to avoidance behavior.

Panic Disorder

A psychiatric disorder characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms.