A healthcare professional is assessing a child who has complete trisomy of the twenty-first chromosome. What findings does the professional relate to this condition?

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This child has Trisomy 21, also known as Down syndrome. These children typically present with IQs ranging from 25 to 70. The facial appearance is distinctive and exhibits a low nasal bridge, epicanthal folds, protruding tongue, and flat, low-set ears. Widely spaced nipples and edema of the newborn's feet are characteristic of Turner syndrome. The high-pitched voice and gynecomastia are characteristic of Klinefelter syndrome.

A Healthcare Professional Is Assessing a Child Who Has Complete