Which segment has the highest number of spinal nerve pairs? A) Cervical B) Lumbar C) Sacral D) Thoracic
Understand the Problem
The question is asking which segment of the spinal column has the most pairs of spinal nerves, prompting knowledge about human anatomy and the spinal nerve distribution.
Answer
Thoracic segment (12 pairs).
The thoracic segment has the highest number of spinal nerve pairs, with 12 pairs.
Answer for screen readers
The thoracic segment has the highest number of spinal nerve pairs, with 12 pairs.
More Information
The thoracic spine is part of the upper back and is associated with both the chest and abdomen through its nerve connections.
Tips
A common mistake is confusing the cervical and thoracic segments because both have more than five nerve pairs, but thoracic has the most.
Sources
- Anatomy of the Spinal Cord (Section 2, Chapter 3) Neuroscience - nba.uth.tmc.edu
- Spinal Cord: Anatomy, Function & Structure - Cleveland Clinic - my.clevelandclinic.org
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