The eighth cranial nerve is

Options

A. Optic - Sensory nerve
B. Auditory - Motor nerve
C. Optic - Motor nerve
D. Auditory - Sensory nerve

Answer

To determine the eighth cranial nerve, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Total Number of Cranial Nerves**:
- There are a total of 12 cranial nerves in humans. Each of these nerves has a specific function and location.

2. **List the Cranial Nerves**:
- The cranial nerves are numbered from I to XII. The first eight cranial nerves are:
- I: Olfactory Nerve
- II: Optic Nerve
- III: Oculomotor Nerve
- IV: Trochlear Nerve
- V: Trigeminal Nerve
- VI: Abducens Nerve
- VII: Facial Nerve
- VIII: Vestibulocochlear Nerve

3. **Identify the Function of the Eighth Cranial Nerve**:
- The eighth cranial nerve is known as the Vestibulocochlear Nerve. It is responsible for transmitting sound and maintaining balance (equilibrium) from the inner ear to the brain.

4. **Determine if the Nerve is Sensory or Motor**:
- The Vestibulocochlear Nerve is classified as a sensory nerve because it carries sensory information related to hearing and balance.

5. **Conclusion**:
- Therefore, the eighth cranial nerve is the Vestibulocochlear Nerve, which is primarily sensory in function.

### Final Answer:
The eighth cranial nerve is the **Vestibulocochlear Nerve**.

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