KROK 1 2018 – Question 89 · KROK (Medicine) · Physiology
Due to destruction of certain structures of the brainstem a test animal has lost its orientation reflexes in response to strong light stimuli. What structures were destroyed?
- A. Substantia nigra
- B. Red nuclei
- C. Posterior quadrigeminal bodies
- D. Anterior quadrigeminal bodies
- E. Vestibular nuclei
Hint
Ask which brainstem centre is the subcortical relay that turns a sudden visual stimulus into an orienting movement of the eyes and head.
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