This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Post cardiac surgery delirium symptoms are worsened by 
Select and explain. 
A. Antipsychotics, B. Anticholinergics, C. BZD, D. Antihistaminics
B: Anticholinergics
Answer: B: Anticholinergics 
Explanation: Ans. b. AnticholinergicsRef: Goodman Gilman 13th E/P156Delirium is an acute change in cognition and attention characterized by alteration in consciousness and disorganized thinking.Since anticholinergics decrease cognition, delirium can be worsened by anticholinergics.Postoperative delirium is decreased by drugs likeAntipsychotics: HaloperidolDexmedetomidineBenzodiazepines: Midazolam