This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
A patient with VSD develops pulmonary hypeension, the characterstic feature will be 
Select and explain. 
A. ESM in pulmonary area, B. Cyanosis, C. Inveed 'T' wave in ECG, D. Clubbing
B: Cyanosis
Answer: B: Cyanosis 
Explanation: Pulmonary hypeension in VSD lead to cyanosis. Ref : Ghai essential of pediatrics, eighth edition, p.no: 417