This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Pediatrics
Most common cardiac abnormality in Noonan syndrome is:- 
Select and explain. 
A. Ventricular septal defect, B. Atrial septal defect, C. Pulmonary stenosis, D. Tetralogy of fallot
C: Pulmonary stenosis
Answer: C: Pulmonary stenosis 
Explanation: - Cardiac anomalies associated with Noonan syndrome - Supravalvular pulmonary stenosis , HOCM, ASD IMPOANT SYNDROMES & ASSOCIATED CARDIAC ANOMALIES: - Downs syndrome - Endocardial cushion defects - Turner syndrome - Bicuspid aoic valve > coarctation of aoa - Congenital Rubella Syndrome - PDA OTHER OPTIONS - RELATED ONELINERS: VSD: - MC congenital hea disease in children - MC congenital acyanotic hea disease in children - MC congenital hea diseases affected by infective endocarditis in children ASD: - Congenital hea disease least commonly affected by Infective endocarditis TOF: - MC congenital cyanotic hea disease in children