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: Physiology
State compliance of lung can be normal in 
Select and explain. 
A. Normal individual, B. Bronchospasm, C. Obstructive lung disease, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: State compliance of lung is normal in

Normal individual
Bronchospasm
Obstructive lung disease
Endotracheal tube obstruction.