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
Mouth breathing with enlarged adenoids and tonsils may
be best described as: 
Select and explain. 
A. Anatomic, B. Obstructive, C. Physiologic, D. Habitual
B: Obstructive
Answer: B: Obstructive 
Explanation: None