Question 184 · LDEK · Cranial nerves and facial pain

Indicate the features which differentiate central facial nerve palsy from the peripheral one:

1) retained activity of the lower branch of the facial nerve;
2) unilateral paralysis of all the facial muscles;
3) maintained activity of the upper facial nerve branch;
4) taste disturbances in the 2/3 anterior of the tongue;
5) all the facial muscles relaxation with preserved possibility to wrinkle forehead on the affected side.
The correct answer is:
  1. A. 1,4.
  2. B. 2,4.
  3. C. 2,4,5.
  4. D. 3,4.
  5. E. 3,5.
Hint

Remember the bilateral cortical supply to the part of the facial nucleus that controls the forehead and orbicularis oculi.

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