KROK 1 Stomatology 2015 – Question 132 · KROK (Dentistry)

The patient’s examination in a hospital specialised in diseases of nervous system has revealed absence of light-induced miosis. It is caused by damage of the following brain structures:

  1. A. Vegetative nuclei of the 3rd pair of cranial nerves
  2. B. Red nuclei of mesencephalon
  3. C. Reticular nuclei of mesencephalon
  4. D. Hypothalamus nuclei
  5. E. Reticular nuclei of medulla oblongata
Hint

Trace the arc of the pupillary light reflex and identify which brainstem nucleus forms the origin of its efferent limb.

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