A 46-year-old female complained of weakness on the entire left half of her face,

Question

A 46-year-old female complained of weakness on the entire left half of her face, which quickly led to facial paralysis on that side. She was unable to wrinkle her forehead, smile, show her teeth, or puff out her cheek on the affected side. She was also unable to close her left eye. A temporary patch protected the exposed eye. Taste perception was distorted over the left anterior portion of the tongue. There was complete recovery of the facial paralysis and taste distortion within two months.

Which is the cranial nerve involved in this individual?

What is the name of this condition?

Why was there facial paralysis on the left half of her face?

Why was she unable to smile?

Why did she need a patch over her left eye?

Why was her taste distorted?

Compare thisdisorder to the major disorder associated with cranial nerve V.

Describe the normal functions of both of the cranial nerves discussed above.

A 46-year-old female complained of weakness on the entire left half of her face, which quickly led to facial paralysis on that side. She was unable to wrinkle her forehead, smile, show her teeth, or puff out her cheek on the affected side. She was also unable to close her left eye. A temporary patch protected the exposed eye. Taste perception was distorted over the left anterior portion of the tongue. There was complete recovery of the facial paralysis and taste distortion within two months.

1. Which is the cranial nerve involved in this individual?

2. What is the name of this condition?

3. Why was there facial paralysis on the left half of her face?

4. Why was she unable to smile?

5. Why did she need a patch over her left eye?

6. Why was her taste distorted?

7. Compare thisdisorder to the major disorder associated with cranial nerve V.

8. Describe the normal functions of both of the cranial nerves discussed above.

Explanation / Answer

1- Vll nerve palsy

2- bells palsy

3-the nerve on left side is affected so it shows expression les face on left side

4-muscle to cause expression is innervated by this nerve damage to this nerve lead to exression less side

5-thapatient cnnt blink her eye leading to dryness of eye so it should be patched to protect .

6-certain branches of this nerve innervate the taste buds too

7- V nerve palsy is involving the period of pain when touched and lead to intense pain , while bells palsy is expression less face on one side.

8-the muscle innervate facial muscle , innervate nasl mucosa lacrimal gland taste busd etc .

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