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: Anatomy
True about right principal bronchus ? 
Select and explain. 
A. Narrower, B. Horizontal, C. Shoer, D. All are true
C: Shoer
Answer: C: Shoer 
Explanation: Features of right bronchus (in comparison to left bronchus)1) Shoer2) Wider3) Veical (in the line of trachea).