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: ENT
True about external nose ? 
Select and explain. 
A. Upper 2/3 is bony, B. Lower 1/3 is cailaginous, C. Single lateral cailage, D. Two nasal bones
D: Two nasal bones
Answer: D: Two nasal bones 
Explanation: Ans. is'd' i.e., Two nasal bones External nose has an osteocailaginous framework of which upper one - third is bony and lower two-third is cailaginous. Bony pa :- Consists of two nasal bones. Cailagenous pa :- Consists of two upper lateral cailages, two lower lateral cailages, two or more lessar alar (or sesmoid) cailages and a septal cailage. So, there are 3 paired and 1 unpaired cailages.