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: ENT
Antiemetic Phenothiazine with labrynthine suppressant activityused for veigo is ? 
Select and explain. 
A. Prochlorperazine, B. Cinnarazine, C. Hyoscine, D. Promethazine
A: Prochlorperazine
Answer: A: Prochlorperazine 
Explanation: Ans. is 'A' i.e., ProchlorperazineLabyrinthine suppressants used in veigoThey suppress end organ receptors or inhibit central cholinergic pathways in vestibular nuclei.These are :?Antihistaminics (with anticholinergic action) - cinnarizine, cyclizine, dimenhydrinate, diphenhydramine, promethazine.Anticholinergics- atropine, hyoscine.Antiemetic phenothiazines-prochlorperazine, thiethylperazine.