Mrs. Navarro brings her 3-year-old son in for a first visit to your office. As the health care provider, you note the following on examination: narrow palpebral fissures, epicanthal folds, and midfacial hypoplasia. These symptoms are characteristic of:__________
A. Down syndrome.
B. fetal alchohol syndrome.
C. chronic childhood allergies.
D. congenital hypothyroidism.
