Human Growth and Development CLEP Prep Practice Exam

At what age do adolescents typically start puberty?

1. 8

2. 12

3. 15

4. 18

The correct answer is: 12

Puberty is a process of physical changes that leads to sexual maturity, marked by the development of primary and secondary sex characteristics. It usually occurs between the ages of 8 and 13 in females, and between 9 and 14 in males. This process is influenced by various factors such as genetics, nutrition, and environmental factors. Option A (8) is incorrect because it is too young. While some children may show signs of early development at this age, it is not typical for puberty to start this early. Option C (15) is incorrect because it is too late. By age 15, most adolescents have already gone through or are in the midst of puberty. Option D (18) is incorrect because it is much later than the typical age for puberty to begin. By age 18, most individuals have already reached sexual maturity. Therefore,