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Which cranial nerve is responsible for facial expression?

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Question: Which cranial nerve is responsible for facial expression?

Options:

  1. Trigeminal nerve (CN V)
  2. Facial nerve (CN VII)
  3. Vagus nerve (CN X)
  4. Hypoglossal nerve (CN XII)

Correct Answer: Facial nerve (CN VII)

Solution: 

The Facial nerve (CN VII) is responsible for controlling the muscles of facial expression.

Which cranial nerve is responsible for facial expression?

Practice Questions

Q1
Which cranial nerve is responsible for facial expression?
  1. Trigeminal nerve (CN V)
  2. Facial nerve (CN VII)
  3. Vagus nerve (CN X)
  4. Hypoglossal nerve (CN XII)

Questions & Step-by-Step Solutions

Which cranial nerve is responsible for facial expression?
  • Step 1: Understand that cranial nerves are nerves that come directly from the brain.
  • Step 2: Identify that there are 12 pairs of cranial nerves in total.
  • Step 3: Learn that each cranial nerve has a specific function.
  • Step 4: Focus on the Facial nerve, which is also known as Cranial Nerve VII (CN VII).
  • Step 5: Recognize that the Facial nerve controls the muscles that allow us to make facial expressions, like smiling or frowning.
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