Vomiting centre receives stimulus from: (A) Area postrema, (B) Suprachiasmatic, (C) Medial nuclei, (D) Lateral nuclei
Answer is A. Vomiting centre in medulla receives stimulus from- 
-        Chemoreceptor trigger zone- Area postrema
-        Vestibular system
-        Periphery- eg: irritation of gut, MI, biliary stones, renal stones
-        Cortical centres