The Section of the Spine That Permits the Greatest Range

question 1

Multiple Choice

The section of the spine that permits the greatest range of trunk flexion is the _____ spine.

• A) cervical
• B) thoracic
• C) lumbar
• D) sacral

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Definitions:

Myelin Sheath

The fatty layer coating and insulating nerve fibers in the central and peripheral nervous systems, speeding up neural signals.

Peripheral Nervous System

The part of the nervous system outside the brain and spinal cord, connecting the central nervous system to limbs and organs.

Neuroglia

Non-neuronal cells in the nervous system that provide support and protection for neurons.

Neuroglia

Supportive cells in the nervous system that do not produce electrical impulses but are crucial for the functioning of neurons.