This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Medicine
Cardiac anomaly seen in Noonan's syndrome is 
Select and explain. 
A. VSD, B. ASD, C. Pulmonary stenosis, D. Coarctation of aoa
C: Pulmonary stenosis
Answer: C: Pulmonary stenosis 
Explanation: Pulmonary stenosis and hyperophic cardiomyopathy are generally the most common congenital hea defects found in Noonan syndrome. Pulmonary stenosis is often associated with a thickened and dysplastic valve Ref Robbins 9/e pg .532