HDFS 1351 LIFESPAN DEVELOPMENT PRACTICE
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ how long does puberty last? Answer: 3-5 years
◉ what are the changes that occur during puberty? Answer: sex organs
increase in size and mature in function, females gain wider hips and
breasts develop, male's shoulders widen and they gain larger muscle
mass, change in Circadian rhythm
◉ what transforms first? Answer: weight
◉ what transforms second? Answer: height
◉ what transforms third? Answer: muscle
◉ what is the Circadian rhythm? Answer: 24 hour day-night cycle
, ◉ how does puberty affect the Circadian rhythm? Answer: hormones
cause delays in the sleep wake cycle and cause low appetite and energy
in the mornings
◉ what is the recommended amount of sleep? Answer: 8-10 hours
◉ what are factors predicted with lack of sleep? Answer: lower grades,
higher daytime sleepiness, higher depressive mood, higher mood
disorders, higher substance abuse, lower self control
◉ what are predictors of sleep? Answer: age, nighttime media use,
starting homework late, extracurricular activities, school start times
◉ what are the characteristics of early boy bloomers? Answer: more
poised, popular, leaders, muscular; closer to physical maturity as same
age girls; more responsibility and expectations; view themselves more
positively; more successful in relationships; more aggressive
◉ what are the characteristics of late boy bloomers? Answer: feel more
inadequate and insecure; longer time before adult expectations; stronger
identity
◉ what are the characteristics of early girl bloomers? Answer: popular
with boys; older male friends; date earlier and have earlier sexual
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ how long does puberty last? Answer: 3-5 years
◉ what are the changes that occur during puberty? Answer: sex organs
increase in size and mature in function, females gain wider hips and
breasts develop, male's shoulders widen and they gain larger muscle
mass, change in Circadian rhythm
◉ what transforms first? Answer: weight
◉ what transforms second? Answer: height
◉ what transforms third? Answer: muscle
◉ what is the Circadian rhythm? Answer: 24 hour day-night cycle
, ◉ how does puberty affect the Circadian rhythm? Answer: hormones
cause delays in the sleep wake cycle and cause low appetite and energy
in the mornings
◉ what is the recommended amount of sleep? Answer: 8-10 hours
◉ what are factors predicted with lack of sleep? Answer: lower grades,
higher daytime sleepiness, higher depressive mood, higher mood
disorders, higher substance abuse, lower self control
◉ what are predictors of sleep? Answer: age, nighttime media use,
starting homework late, extracurricular activities, school start times
◉ what are the characteristics of early boy bloomers? Answer: more
poised, popular, leaders, muscular; closer to physical maturity as same
age girls; more responsibility and expectations; view themselves more
positively; more successful in relationships; more aggressive
◉ what are the characteristics of late boy bloomers? Answer: feel more
inadequate and insecure; longer time before adult expectations; stronger
identity
◉ what are the characteristics of early girl bloomers? Answer: popular
with boys; older male friends; date earlier and have earlier sexual
