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: Dental
The effect of enlarged Adenoids on the maxillary growth is by 
Select and explain. 
A. Narrowing of maxilla, B. Widening of maxilla, C. Palatal plane tipped upwards at PNS, D. Palate descends down
A: Narrowing of maxilla
Answer: A: Narrowing of maxilla 
Explanation: None