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: Microbiology
Most common cardiac defect seen in Rubella syndrome 
Select and explain. 
A. Pulmonary stenosis, B. VSD, C. ASD, D. Mitral regurgitation
A: Pulmonary stenosis
Answer: A: Pulmonary stenosis 
Explanation: Most common cardiac defect is PDA followed by PS, followed by VSD.