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
All of the following are acyanotic congenital hea diseases except _________ 
Select and explain. 
A. VSD, B. PDA, C. ASD, D. Tetralogy of fallot
D: Tetralogy of fallot
Answer: D: Tetralogy of fallot 
Explanation: TOF is a cyanotic disease. Ref : Ghai essential of pediatrics, eighth edition, p.no: 420