This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal System, Subject name: Physiology
Centre controlling vomiting: 
Select and explain. 
A. Apneustic centre, B. Pneumotaxic centre, C. Area Postrema, D. Hypothalamus
C: Area Postrema
Answer: C: Area Postrema 
Explanation: The sensory signals that initiate vomiting originate mainly from the pharynx, esophagus, stomach, and upper poions of the small intestines. The nerve impulses are transmitted by both vagal and sympathetic afferent nerve fibers to multiple distributed nuclei in the brain stem, especially the area postrema, that alltogether are called the "vomiting center."