Questions and Answers
Which of the following indicates preserved function in the upper face in left facial nerve palsy?
What is the typical mouth deviation in left facial nerve palsy?
Mouth deviates to normal side
What phenomenon might be observed in right facial nerve palsy?
In right facial nerve palsy, the mouth deviates to the left side.
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In right facial nerve palsy, there is a loss of ______ wrinkling.
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Match the following aspects with left and right facial nerve palsy:
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Study Notes
Left Facial Nerve Palsy
- Characterized by preserved function in the upper face, indicating intact innervation.
- Loss of nasolabial fold results in a smoother appearance on that side.
- Mouth deviation towards the unaffected (normal) side when smiling or grimacing.
Right Facial Nerve Palsy
- Exhibits loss of frontal wrinkling, demonstrating weakness in forehead muscle control.
- Bell's phenomenon, where the eye on the affected side moves upward when closing, is typically observed.
- Similar to left palsy, loss of nasolabial fold is present, contributing to facial asymmetry.
- Mouth also deviates towards the unaffected side, reflecting muscle weakness on the affected side.
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Description
Test your knowledge on facial nerve palsy as outlined in Macleod's Clinical Examination. This quiz covers the differences between left and right facial nerve palsy and key clinical features to identify. Perfect for medical students and healthcare professionals.
