Connecticut Barber Licensure Practice Exam

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Cranial nerves are all connected to a part of the:

  1. Heart

  2. Brain surface

  3. Spinal cord

  4. Lungs

The correct answer is: Brain surface

C Spinal cord is incorrect because not all cranial nerves are connected to the spinal cord. The spinal nerves, not cranial nerves, are connected to the spinal cord. A: Heart is incorrect because cranial nerves are not connected to the heart. The heart is innervated by a separate network of nerves called the cardiac plexus. D: Lungs is incorrect because cranial nerves are not connected to the lungs. The lungs are primarily innervated by the vagus nerve, which is a cranial nerve, but not all cranial nerves are connected to the lungs.

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