A nurse is assessing the growth and development of a 14-year-old boy. He reports that his 13-year-old sister is 2 inches taller than he is. The nurse should advise the boy that the growth spurt in...

A nurse is assessing the growth and development of a 14-year-old boy. He reports that his 13-year-old sister is 2 inches taller than he is. The nurse should advise the boy that the growth spurt in adolescent boys, compared with the growth spurt of adolescent girls:

1. Occurs at the same time.

2. Occurs 2 years earlier.

3. Occurs 2 years later.

4. Occurs 1 year earlier.