Which of the following syndromes is associated with pulmonic stenosis?

Noonan syndrome is indeed associated with pulmonic stenosis. This condition is a genetic disorder that can affect many parts of the body and is characterized by a variety of congenital heart defects, one of the most common being pulmonic stenosis. In this syndrome, the heart's outflow tract can be narrowed, which can lead to issues such as the heart working harder to pump blood to the lungs.

Recognizing the connection between Noonan syndrome and pulmonic stenosis is critical for understanding the broader implications of the syndrome, including its management and surveillance for cardiac complications. The association of pulmonic stenosis is significant in the clinical settings for early diagnosis and intervention in affected individuals.

Other syndromes listed, while they may have their own associated cardiac defects or neurological presentations, do not prominently or commonly feature congenital heart defects that include pulmonic stenosis in the same way Noonan syndrome does. Therefore, the specificity of this connection solidifies the rationale behind selecting Noonan syndrome as the correct answer.