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Questions and Answers
What are the roots that join to form the Upper trunk of the brachial plexus?
C5 and C6
Which divisions ultimately supply the Anterior and Posterior aspects of the Limb?
Ventral and Dorsal divisions
How is the lateral cord formed?
By the union of ventral divisions of the upper and middle trunk
Which spinal nerves contribute to the formation of the brachial plexus?
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Study Notes
Formation of the Upper Trunk of the Brachial Plexus
- The roots that join to form the Upper trunk of the brachial plexus are C5 and C6.
Supply to Anterior and Posterior Aspects of the Limb
- The anterior and posterior divisions of the brachial plexus ultimately supply the anterior and posterior aspects of the limb, respectively.
Formation of the Lateral Cord
- The lateral cord is formed by the anterior divisions of the upper, middle, and lower trunks.
Contribution to the Formation of the Brachial Plexus
- The spinal nerves that contribute to the formation of the brachial plexus are C5, C6, C7, C8, and T1.
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Description
Test your knowledge of the structure and components of the brachial plexus, including roots, trunks, divisions, cords, and branches formed by the spinal nerves. This quiz covers the organization and composition of the brachial plexus.
