At Which Vertebral Level Does the Spinal Cord End

question 56

Multiple Choice

At which vertebral level does the spinal cord end?

• A) First lumbar vertebra
• B) First sacral vertebra
• C) First thoracic vertebra
• D) Twelfth thoracic vertebra
• E) Coccyx

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Definitions:

Peripheral Nervous System

The part of the nervous system that lies outside the central nervous system, consisting of nerves and ganglia, responsible for relaying information between the body and brain.

Sympathetic Division

Part of the autonomic nervous system that prepares the body for quick action in emergencies; "fight or flight" response.

Parasympathetic Division

Part of the autonomic nervous system responsible for conserving energy and bringing the body to a state of rest by slowing the heart rate, increasing intestinal and glandular activity, and relaxing sphincter muscles.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which interprets sensory information and issues instructions based on past experience and current conditions.