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TB_11_20_Milestones of Puberty_LO 11.2_APA LO 1.1
Dawn has just turned thirteen years old, and she recently experienced menarche. If Dawn becomes sexually active,
will she be at risk for pregnancy?
A) Possibly. Although irregular menstrual cycles are the norm for some time, pregnancy is still possible.
B) Not likely, as irregular menstrual cycles signal the absence of ovulation.
C) No. The irregularity of menstrual cycles after menarche means that it would be impossible to have intercourse
during an ovulatory cycle.
D) Probably not. She would be too young to get pregnant.
TB_11_21_Milestones of Puberty_LO 11.2_APA LO 1.1
Of the following events in boys’ puberty, which typically occurs earliest?
A) Growth of the genitals
B) Peak of the growth spurt
C) Growth of a beard
D) Lowering of the voice
TB_11_22_Milestones of Puberty_LO 11.2_APA LO 1.1
Which of the following is true of spermarche?
A) Its onset varies considerably between different ethnic groups.
B) It typically occurs between 13 and 14 years of age, but the production of viable sperm does not happen until a
few months later.
C) It typically occurs between 15 and 16 years of age.
D) Viable sperm production usually occurs a few months prior to the first ejaculation.
TB_11_23_Timing of Puberty_LO 11.3_APA LO 1.1
Which of the following groups is more likely to have a negative body image, get into trouble at school and with
peers, and engage in delinquent behavior?
A) Late-maturing boys
B) Early-maturing boys
C) Late-maturing girls
D) Early-maturing girls