Medicinal Plants · Botany

Atropine, used to dilate pupils during eye exams, is derived from which poisonous plant?

  1. Belladonna
  2. Hemlock
  3. Castor Bean
  4. Oleander
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Correct answer: Belladonna

Atropine is an alkaloid extracted from Atropa belladonna, also known as Deadly Nightshade. It acts as an anticholinergic agent, blocking certain nerve impulses to relax the muscles in the eye.

Difficulty: Medium Question 15 of 40

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