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Questions and Answers
Which part of the nervous system do the intercostal nerves belong to?
Which part of the nervous system do the intercostal nerves belong to?
- Somatic nervous system (correct)
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Where do the intercostal nerves arise from?
Where do the intercostal nerves arise from?
- Thoracic spinal nerves (correct)
- Cervical spinal nerves
- Sacral spinal nerves
- Lumbar spinal nerves
Which nerve is not technically an intercostal nerve?
Which nerve is not technically an intercostal nerve?
- Tenth thoracic nerve
- First thoracic nerve
- Twelfth thoracic nerve (correct)
- Fifth thoracic nerve
What is the purpose of blocking the intercostal nerves?
What is the purpose of blocking the intercostal nerves?
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Why is it important for providers to be familiar with the anatomy and physiology of the intercostal nerves?
Why is it important for providers to be familiar with the anatomy and physiology of the intercostal nerves?
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Study Notes
Intercostal Nerves Overview
- Intercostal nerves belong to the peripheral nervous system.
Origin of Intercostal Nerves
- Intercostal nerves arise from the anterior rami of the thoracic spinal nerves T1-T11.
Exception to Intercostal Nerves
- The subcostal nerve is not technically an intercostal nerve, although it's often referred to as the T12 intercostal nerve.
Purpose of Blocking Intercostal Nerves
- The purpose of blocking intercostal nerves is to provide anesthesia or analgesia for surgical procedures or pain management in the chest or abdomen.
Importance of Familiarity with Intercostal Nerves
- It's important for providers to be familiar with the anatomy and physiology of the intercostal nerves to ensure effective and safe nerve blocks, as well as to minimize potential complications.
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