KROK 1 Stomatology 2016 – Question 86 · KROK (Dentistry)
Pupil dilation occurs when a person steps from a light room into a dark one. What reflex causes such reaction?
- A. Parasympathetic conditioned reflex
- B. Metasympathetic reflex
- C. Parasympathetic unconditioned reflex
- D. Sympathetic conditioned reflex
- E. Sympathetic unconditioned reflex
Hint
Decide which iris muscle contracts in darkness, which autonomic division innervates it, and whether the response is innate or learned.
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