The brachial plexus consists of which spinal nerve roots?

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Multiple Choice

The brachial plexus consists of which spinal nerve roots?

Explanation:
The brachial plexus is formed by the ventral rami of spinal nerves C5 through T1. These roots come together in the neck to create trunks, divisions, and cords that ultimately give rise to the major nerves of the upper limb. Other nerve networks come from different spinal ranges—for example, C1–C4 contribute to the cervical plexus, while L1–L4 form the lumbar plexus and L4–S4 form the sacral plexus. Thus, the set C5 to T1 is the correct range for the brachial plexus.

The brachial plexus is formed by the ventral rami of spinal nerves C5 through T1. These roots come together in the neck to create trunks, divisions, and cords that ultimately give rise to the major nerves of the upper limb. Other nerve networks come from different spinal ranges—for example, C1–C4 contribute to the cervical plexus, while L1–L4 form the lumbar plexus and L4–S4 form the sacral plexus. Thus, the set C5 to T1 is the correct range for the brachial plexus.

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