During Continuous Conduction

question 143

Multiple Choice

During continuous conduction,

• A) action potentials move in all directions along an axon.
• B) action potentials occur at successive nodes along the length of the stimulated axon.
• C) local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane.
• D) the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron.
• E) local potentials produce a continuous outward flow of potassium ions.

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Definitions:

Facial Muscle Movements

Contractions and relaxations of muscles in the face, responsible for creating facial expressions.

Frontal

Pertaining to the front part of the brain, involved in decision making, problem solving, and controlling behavior.

Autonomic Nervous System

Part of the peripheral nervous system that controls involuntary body functions, such as heart rate, digestion, and respiratory rate.

Sympathetic

Relates to the part of the autonomic nervous system that prepares the body for intense physical activity and is often referred to as the fight-or-flight response.