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
Bronchopulmonary segment is supplied by ? 
Select and explain. 
A. Primary bronchus, B. Secondary bronchus, C. Teiary bronchus, D. Principal bronchus
C: Teiary bronchus
Answer: C: Teiary bronchus 
Explanation: Ans. is 'c' i.e., Teiary bronchusIt is supplied independently by a segmental (teiary) bronchus and a teiary branch of the pulmonary aery.