This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Which of the following defines Pentalogy of Fallot? 
Select and explain. 
A. TOF with PDA, B. TOF with ASD, C. TOF with COA, D. TOF with Polysplenia
B: TOF with ASD
Answer: B: TOF with ASD 
Explanation: Pentalogy of Fallot is a rare form of cyanotic congenital hea disease, characterized by an association of atrial septal defect (ASD) with tetralogy of Fallot (TOF) . Ref - Harrison 20th edition pg 1834-36 , pubmed.com