Question

A person consumed a poisonous substance against which digestive tract gave a vomiting response. The centres responsible for this response possibly can be

• A. Myenteric plexus and medulla
• B. Medulla and Meissner's plexus
• C. PNS
• D. Auerbach's plexus and Remarks plexus

Answer 1

The correct option is A Myenteric plexus and medulla

Vomiting is believed to be controlled by two distinct brain centres - the vomiting centre and the chemoreceptor trigger zone - both are located in the medulla oblongata. Myenteric plexus present the gastrointestinal region response to these centre.

So the correct option is 'Myenteric plexus and medulla'.