This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sedative-Hypnotics and Parkinsonism, Subject name: Pharmacology
Recently approved drug for psychosis associated with Parkinsonism is? 
Select and explain. 
A. Lorcaserin, B. Pimavanserin, C. Cycloserine, D. Mianserin
B: Pimavanserin
Answer: B: Pimavanserin 
Explanation: Pimavanserin An inverse agonist at 5HT2A receptor Approved for psychosis associated parkinsonism