Chapter 9 Test Bank Flashcards
The period when childnren’s bodies become adultlike is called
Puberty
Menarche is
A girl’s first menstrual period
For boys, the event that most closely parallels menarche is
Spermarche
For both girls and boys, puberty typically begins as young as ___ years of age or as late as ____ years of age
8, 14
For girls, the usual sequence of physical changes in puberty is
Nipple growth, growth spurt, and menarche
For boys, the first ejaculation generally occurs
Following growth of the penis
The first outward sign of puberty in a typical girl is
Onset of nipple growth
Nancy, age 12, has just experienced a sudden growth spurt. According to the usual sequence of puberty, soon she will notice
Her hips growing wider
For boys, the usual sequence of physical changes in puberty is
Growth of the testes, initial pubic hair growth, growth of the penis, spermarche
Bill noticed that he has some pubic hair. According to the usual sequence of puberty, his next growth event will probably be
His penis growing longer and wider
Body chemicals that regulate sleep, moods, hunger, and stress are called
Hormones
The first hormones that begin the process of puberty are triggered in the child’s
Hypothalamus
The biological events that begin puberty involve a hormonal signal from the
Hypothalamus
Which glands receive signals directly from the hypothalamus
Pituitary
The organ that produces the hormones that stimulate the adrenal glands is the
Pituitary
The sequence of puberty hormone production that originates in the brain and ends with glands located atop the kidneys is known by the acronym:
HPA axis
What substance(s) cause(s) the ovaries and testes to greatly increase their production of estradiol and testosterone?
Gonadotropins
_____ is the sex hormone secreted in greater amounts by males than females.
Testosterone
The day-night cycle that occurs approximately every 24 hours is the:
Circadian rhythm
Since he entered puberty, Barry has been staying awake late at night and craving sleep in the mornings. His parents should realize that this:
Is due to hormonal shifts
Statistically, which student is MOST likely to fall asleep during class?
Allen, who is in the tenth grade
Latisha experienced menarche when she was 8 years old. She experienced:
Precociou puberty
About _____ of the variation in age of puberty is determined by genes.
Two thirds
Statistically, which adolescent is MOST apt to experience menarche first?
Rebecca, who is of African descent