This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Receptors for vomiting is: 
Select and explain. 
A. 5HT1, B. 5HT2, C. 5HT3, D. 5HT4
C: 5HT3
Answer: C: 5HT3 
Explanation: 5HT3