Correct Answer: C,D,E

Rationale: Characteristics of early adolescence identity include trying out of various roles, conformity to group norms, and preoccupation with rapid body changes. Mature sexual identity and increase in self-esteem are characteristics of late adolescent identity.

Correct Answer: C

Rationale: In most girls, the initial indication of puberty is the appearance of breast buds, an event known as thelarche. The usual sequence of secondary sexual characteristic development in girls is breast changes, a rapid increase in height and weight, growth of pubic hair, appearance of axillary hair, menstruation (menarche), and abrupt deceleration of linear growth.

Correct Answer: B

Rationale: The age of first masturbation for girls is variable. Some begin masturbating in early adolescence; many do not begin until after they have had intercourse. Boys typically begin masturbation in early adolescence. Masturbation provides an opportunity for self-exploration. Both heterosexual and homosexual youth use masturbation. It does not affect the development of intimacy.

Correct Answer: D

Rationale: Girls may be considered to have pubertal delay if breast development has not occurred by age 13 years or if menarche has not occurred within 2 to 2 1/2 years of the onset of breast development.

Correct Answer: A,B,C,E

Rationale: Students targeted for repeated teasing and harassment are more likely to skip school, to report symptoms of depression, and to attempt suicide. Equally troubling, teens who are regularly harassed or bullied are also more likely to bring weapons to school to feel safe. Students who are bullied do not want to attend extracurricular activities.