How many pairs of cranial nerves are mixed in nature?
Correct answer: B. 04 pairs
- A. 02 pairs
- B. 04 pairs
- C. 06 pairs
- D. 08 pairs
Explanation
The cranial nerves are a set of 12 paired nerves in the back of our brain. Cranial nerves send electrical signals between our brain, face, neck, and torso. The cranial nerves help us taste, smell, hear, and feel sensations. They also help us make facial expressions, blink our eyes and move our tongues. Mixed cranial nerves are the cranial nerves that contain sensory and motor nerve fibers. There are four such nerves in our peripheral nervous system: The trigeminal nerve (CN V), Facial nerve (CN VII), Glossopharyngeal nerve (CN IX), and Vagus nerve (CN X).
This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.
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