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Questions and Answers
Which nerves originate from the anterior rami of the brachial plexus?
What could be a potential consequence of phrenic nerve damage due to cervical plexus compression?
Which nerve is considered the major branch of the brachial plexus?
Where is the brachial plexus located in relation to subclavian vessels?
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Which of the following is not a branch of the brachial plexus?
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Study Notes
Spinal Nerve and Brachial Plexus
- The phrenic nerve originates from the anterior rami of C3, C4, and C5 spinal nerves.
- The phrenic nerve innervates the diaphragm, which is the primary muscle for breathing.
- Damage or compression of the cervical plexus can lead to respiratory failure due to phrenic nerve involvement.
- The brachial plexus is a network of nerves formed by the anterior rami of spinal nerves C5 through T1.
- The brachial plexus is located just below the subclavian vessels.
- The brachial plexus supplies the muscles and skin of the upper limb.
- The axillary nerve, radial nerve, ulnar nerve, and medial nerve are branches of the brachial plexus.
- The radial nerve is the largest branch of the brachial plexus.
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Description
Test your knowledge on the anatomy and functions of the spinal nerve and brachial plexus. This quiz covers important nerves like the phrenic, axillary, radial, ulnar, and medial nerves, along with their roles in respiration and upper limb movement.
