Question

A 25-year-old female presents with paralysis of the left side of her face. The paralysis began as a weakness but has worsened over the last 48 hours. Her eye on the left side is dry as is her mouth. She cannot wrinkle her forehead nor blink her left eye. Her face on that side "feels heavy" to her. Her diagnosis is Bell's palsy. Which cranial nerve has been affected?

Answer 1

Answer:

The correct answer is the 7th cranial nerve.

Explanation:

Bell's palsy is a type of temporary facial paralysis caused by damage to facial nerves. This facial nerves that cause bell's palsy also known as the 7th cranial nerve that goes through the Fallopian canal which is a narrow bony canal in the skull, on both sides of the face just beneath the ear.

It is characterized by muscle weakness of the face that results in one half of the face feels heavy and droop. Generally, it resolves on its own in six months to one year.

Thus, the correct answer is the 7th cranial nerve.