[Solved]: A3-year-old boy presents for a well-child check

A3-year-old boy presents for a well-child check. He is able to use the words “mama,” “dada,” and “a few” other words, but he is not putting words together, except for “school bus.” He is reportedly bilingual, as his parents speak Spanish and English, and they report that he knows about 5-10 words in Spanish as well. He walks, runs well, and is growing well (70th percentile for height, weight, and head circumference). He also helps his’parents as they dress him but is unable to do buttons yet. He is diagnosed with a speech delay, but you are not sure if he has more global delays. His newborn screen was normal. All of his hearing screens have similarly been normal, and the parents confirm that he seems to hear well. Which of the following is another important screening test for older children with developmental delay? A. TSH only B. Lead only C. TSH and lead D. EEG