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
Receptor mediated action is not seen in: 
Select and explain. 
A. Alcohol, B. Antipsychotic, C. Antacids, D. Benzodiazepines
C: Antacids
Answer: C: Antacids 
Explanation: None