The Alternate Opening and Closing of Sodium and Potassium Channels

question 132

Multiple Choice

The alternate opening and closing of sodium and potassium channels in the axon is responsible for generating

• A) graded potentials
• B) presynaptic deactivation
• C) a refractory period
• D) an action potential
• E) a resting potential

Understand the fundamental concepts and methodologies of project management.

Recognize the various phases and key concepts in the management of projects, including critical path method (CPM) and project organization.

Identify ethical considerations in project management.

Understand the role of tools and techniques in project management, including Gantt charts and Work Breakdown Structure (WBS).

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Definitions:

Peripheral Nervous System

The portion of the nervous system lying outside the brain and spinal cord, which includes nerves that branch out to the rest of the body, facilitating communication between the body and central nervous system.

Central Nervous System

The primary information-processing center of the body, consisting of the brain and spinal cord.

Somatic Nervous System

The part of the peripheral nervous system that handles voluntary control of body movements via skeletal muscles.

Sympathetic Nervous System

A component of the autonomic nervous system that readies the body for immediate action during emergencies, known as the "fight or flight" response.