This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Most common cardiac anamoly associated with Noonan 's syndrome is 
Select and explain. 
A. Aortic stenosis, B. Ventricular septal defect, C. Pulmonary stenosis, D. Atrial septal defect
C: Pulmonary stenosis
Answer: C: Pulmonary stenosis 
Explanation: Most common cardiac anamoly associated with Noonan's syndrome is pulmonary stenosis.