This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
Constituents of nasal septum include all except: 
Select and explain. 
A. Vomer, B. Perpendicular plate of palatine, C. Quadrangular cartilage, D. Maxillary crest
B: Perpendicular plate of palatine
Answer: B: Perpendicular plate of palatine 
Explanation: Perpendicular plate of palatine bone forms posterior part of lateral wall of nose. It is the perpendicular plate of ethmoid which forms nasal septum.