The Number of 4- to 17-Year-Old Children Whose Parents Report

question 62

Multiple Choice

The number of 4- to 17-year-old children whose parents report that their child has been diagnosed with ADHD is increasing by approximately _____ percent per year.

• A) 3
• B) 5
• C) 7
• D) 9
• E) 11

---

Definitions:

Polypeptide Chain

A sequence of amino acids linked by peptide bonds, forming the primary structure of proteins.

Cholesterol

A waxy, fat-like substance found in all cells of the body, which is necessary for making hormones, Vitamin D, and substances that help digest foods.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals.

Organic Molecule

A compound that contains carbon atoms bonded together, often with hydrogen, oxygen, and other elements, and is part of living organisms.