KROK 1 2010 – Question 152 · KROK (Medicine) · Physiology

Surface with an intact toad on it was inclined to the right. Tone of extensor muscles became reflectory higher due to the activation of the following receptors:

  1. A. Photoreceptors of retina
  2. B. Vestibuloreceptors of semicircular ducts
  3. C. Vestibuloreceptors of utricle and saccule
  4. D. Mechanoreceptors of foot skin
  5. E. Proprioreceptors
Hint

Think about which sensory input signals a change in the position of the head relative to gravity and drives postural reflexes of muscle tone.

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