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
Which statement is correct?
There is a positive correlation between body fat and early onset of puberty
Over the last two centuries, children have reached their adult height earlier and are taller than their ancestors. What is the official name of this phenomenon?
Secular trend
Which hormone is high at the onset of puberty and affects appetite, especially in girls?
Leptin
Family conflict and stress:
May cause early onset of puberty
Research indicates that female children who experienced a great deal of _____ while very young also experienced early puberty.
Stress
Evolutionary theory suggests that the relationship between childhood stress and onset of puberty exists to:
Insure that reproduction occurs early in stress filled environments
Ellie is 10 years old and well into puberty. She will probably experience:
Teasing and name-calling from her classmates
Typically, the adolescent who will probably find puberty MOST difficult is:
Katya, an early maturer
In the twenty-first century, early puberty positively correlates with:
Aggression and antisocial behaviour in boys
One of the first signs of the growth spurt is:
Growth of fingers and toes
During the adolescent growth spurt, what is the last part(s) of the body to grow?
Torso
Janet and Carlos are both experiencing a growth spurt. If they are typical adolescents, compared with Janet will have _____ than Carlos.
Higher proportion of body fat
During puberty, the growth spurt sequence typically occurs in this order.
Weight, height, muscles
One physical change that typically occurs during adolescence is that the child’s:
Heart doubles in size
Some teenagers seem able to skate, play basketball, or dance for hours without rest. This increased endurance is best explained by:
Growth of the heart and lungs
Garry is taking a weight-lifting class in high school. The weights he lifts should:
Match his size from the previous year
Which change contributes to an adolescent’s lessening susceptibility toward respiratory infections?
Shrinkage of the lymphoid system
Adolescent acne is usually caused by:
Increase in skin oils and sweat
Changes in primary sex characteristics include:
Growth of the uterus or the testes
Secondary sex characteristics are traits that:
Are not directly related to fertility
If a boy notices a swelling around his nipples during puberty, what is the likely cause?
Normal fluctuation of sex hormones
Once the primary sexual organs begin to function, adolescents are biologically capable of:
Reproduction
Over the past decade, the percentage of adolescents that consumed the recommended three or more servings of vegetables daily has:
Decreased
Which pair of nutrients is MOST likely to be lacking in the adolescent diet?
Iron and calcium
Statistically, which person is MOST likely to have the greatest health problems due to iron deficiency?
16 year old Marilyn, who is menstruating
The recommended daily dose of calcium is _____ milligrams; most teens consume less than _____ milligrams per day.
1300, 500
Sharon is concerned about deficiencies in her daughter Alana’s diet. If Alana is a typical teen, Sharon should feed her:
Steak to increase her iron
One reason adolescents’ nutritional habits may be poor is:
Anxiety about their body image
Studies indicate that adolescents worldwide share this problem.
They are dissatisfied with their bodies
Patty is 5 feet tall and weighs 87 pounds yet when she looks in the mirror, she sees an overweight girl. She does aerobics for two hours daily and eats very little. Patty MOST likely suffers from:
Anorexia nervosa
Josefina is obsessed with her weight. She sometimes eats a whole package of Oreos at once and then makes herself vomit. Josefina is of normal weight, but she constantly has heartburn. She MOST likely suffers from:
Bulimia nervosa
Bulimia nervosa is clinically present in _____ percent of young women in the United States.
1 to 3
Which of the following symptoms is NOT associated with anorexia nervosa?
Purging through vomiting or laxatives
During adolescence, the _____ matures before the _____ in the brain.
Limbic system, PFC
Xavier, 16, invites a group of his high school friends to swim in a neighbor’s pool late at night while that neighbor is away. They climb the fence and jump in, playing wildly and loudly in the water. Just a few minutes later, the police arrive. How does adolescent brain development help explain Xavier’s poor decision making?
His PFC is underdeveloped
Since adolescents’ prefrontal cortex is not fully developed, many of them tend to:
Exercise caution in most situations
Most adolescents think about themselves:
Frequently
Since adolescents regard themselves as uniquely special:
It is difficult for them to envision another person’s perspective
In general, adolescent egocentrism refers to the:
Viewpoint that one is noticed by everyone