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: Surgery
A prosthetic appliance given to cover the palatal defect in patients with cleft palate is called 
Select and explain. 
A. Artificial velum, B. Obturator, C. Removable prosthetic appliance, D. None of the above
B: Obturator
Answer: B: Obturator 
Explanation: None