The triggers for the start of puberty are
A) both genetic and environmental in nature.
B) entirely genetic in nature.
C) entirely environmental in nature.
D) generally not well understood.
Question 2Changes in the body's melatonin cycle during puberty generally result in
A) a delayed phase preference for sleep.
B) regular outbreaks of acne and other skin problems.
C) extreme mood swings, from elation to depression.
D) heightened sexual interest.
Question 3The delayed phase preference in adolescence is caused by
A) a shift in the timing of melatonin increases in the body.
B) the rate of physical growth during puberty, stressing the body.
C) the overproduction of adrenaline during puberty, stressing the body.
D) a dislike of authority, leading to a need to sleep at off hours.
Question 4Fuyoko has just begun her adolescent growth spurt. She should expect to grow approximately how many inches per year?
A) 4.5
B) 3.5
C) 2.5
D) 1.5
Question 5Akira has just begun his adolescent growth spurt. He should expect to grow approximately how many inches per year?
A) 5
B) 4
C) 3
D) 2
Question 6If Nunzio and Fortuna are both average 9-year-olds, you would expect that
A) they will both enter puberty at about the same time.
B) Nunzio will enter puberty about two years before Fortuna.
C) Fortuna will enter puberty about two years before Nunzio.
D) both Nunzio and Fortuna have both already entered puberty.
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