DEV2004 Chapter 6 Adolescence
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Questions and Answers

What typically marks the beginning of adolescence?

  • Initiation of puberty (correct)
  • Transition to adulthood
  • Formation of identity
  • Completion of physical growth spurt

    • Which of the following describes a change in cognitive abilities during adolescence?

  • Decline in abstract reasoning
  • Improvements in complex thought (correct)
  • Increased reliance on intuition
  • Decreased problem-solving skills

    • During puberty, which body part typically grows last?

  • Hands
  • Head
  • Arms
  • Torso (correct)

    • What is one consequence of the physical changes occurring during adolescence?

    <p>Emergence of gender differences in height and weight</p> Signup and view all the answers

    Which statement accurately reflects adolescent relationships with parents?

    <p>They go through a period of redefinition and increased autonomy.</p> Signup and view all the answers

    How long does the pubertal growth process usually last?

    <p>3-4 years</p> Signup and view all the answers

    What is a common behavioral outcome of adolescent peer companionship?

    <p>Increased problem behaviors</p> Signup and view all the answers

    What significant growth is associated with the physical changes during adolescence?

    <p>Overall height increase of 10-11 inches</p> Signup and view all the answers

    At what age do average boys generally become taller and heavier than average girls?

    <p>After age 14</p> Signup and view all the answers

    What percentage difference is typically seen between the tallest and shortest teens at age eighteen?

    <p>10%</p> Signup and view all the answers

    What contributes to the occurrence of menarche at younger ages in females?

    <p>Higher percentage of body fat</p> Signup and view all the answers

    Which of the following does NOT describe the primary sexual characteristics of males?

    <p>Development of mammary glands</p> Signup and view all the answers

    How many mature eggs does a female typically develop in her lifetime?

    <p>500</p> Signup and view all the answers

    What is the primary function of the uterus?

    <p>Hosting the developing fetus</p> Signup and view all the answers

    Which racial background tends to have children that are slightly shorter on average?

    <p>Asian background</p> Signup and view all the answers

    What is the main male sex organ responsible for both sperm production and semen?

    <p>Testicles</p> Signup and view all the answers

    What happens to the female gametes stored in the ovaries during puberty?

    <p>They become eggs through maturation</p> Signup and view all the answers

    Which of the following factors is commonly linked to the prevalence of obesity in modern societies?

    <p>Low activity lifestyles</p> Signup and view all the answers

    What is the main reason adolescents are more likely to take risks than adults?

    <p>They weigh risks and rewards differently due to brain chemistry.</p> Signup and view all the answers

    What percentage of mental illness occurs by the age of 24?

    <p>75%</p> Signup and view all the answers

    How much sleep do adolescents typically need for optimal functioning?

    <p>8 to 10 hours</p> Signup and view all the answers

    What is a consequence of insufficient sleep in adolescents?

    <p>Higher risk for substance abuse</p> Signup and view all the answers

    What factors contribute to adolescents not getting enough sleep?

    <p>Environmental, social, and brain development factors.</p> Signup and view all the answers

    Which neurotransmitter's sensitivity peaks in adolescents, influencing their behavior?

    <p>Dopamine</p> Signup and view all the answers

    What are adolescents more likely to do in the presence of peers?

    <p>Make risky driving choices.</p> Signup and view all the answers

    What role does oxytocin play in adolescent behavior?

    <p>It facilitates bonding and enhances social rewards.</p> Signup and view all the answers

    How has adolescent sleep changed according to recent surveys?

    <p>Adolescents are getting less sleep than recommended.</p> Signup and view all the answers

    What is a common outcome of sleep deprivation in adolescents?

    <p>Riskier sexual behavior.</p> Signup and view all the answers

    What is suggested to be a more significant risk factor for boys than the timing of development during puberty?

    <p>The tempo of pubertal change</p> Signup and view all the answers

    How does early puberty affect boys' peer relationships?

    <p>They display decrements in peer relationship quality</p> Signup and view all the answers

    Which factor exacerbates gender role differences during adolescence?

    <p>Puberty's onset</p> Signup and view all the answers

    What happens to the brain during adolescence regarding its structure?

    <p>It shows increased myelination and specialization</p> Signup and view all the answers

    What effect does myelination have on learning a second language in adolescents?

    <p>It consolidates first language skills but hinders second language learning</p> Signup and view all the answers

    What is synaptic pruning's effect on the brain during adolescence?

    <p>It reduces gray matter while increasing efficiency</p> Signup and view all the answers

    Which brain component continues to thicken during adolescence, improving inter-hemispheric connections?

    <p>The corpus callosum</p> Signup and view all the answers

    How do early maturing boys typically respond in terms of substance use?

    <p>They are more likely to engage in substance use</p> Signup and view all the answers

    What does the limbic system's development during puberty influence?

    <p>Emotional regulation and novelty seeking</p> Signup and view all the answers

    Which behavior change might a girl display to align with social expectations during adolescence?

    <p>Curbing enthusiasm for math and science</p> Signup and view all the answers

    Which health risks are associated with binge eating disorder?

    <p>Type II diabetes</p> Signup and view all the answers

    What is a significant risk associated with bulimia that can affect the digestive system?

    <p>Possible rupture of the esophagus</p> Signup and view all the answers

    What approach to treating eating disorders emphasizes tailored treatment plans?

    <p>The Maudsley Approach</p> Signup and view all the answers

    During which developmental stage can adolescents begin to think abstractly about concepts like love and morality?

    <p>Formal Operational Stage</p> Signup and view all the answers

    Which treatment aspect is not typically included for eating disorders?

    <p>Hypnosis</p> Signup and view all the answers

    What reasoning ability do adolescents develop during the formal operational stage?

    <p>Hypothetical-deductive reasoning</p> Signup and view all the answers

    Which of the following is not a health risk linked to bulimia?

    <p>Improved digestion</p> Signup and view all the answers

    What is a foundational element of treatment for eating disorders?

    <p>Adequate nutrition</p> Signup and view all the answers

    What percentage of fathers with a bachelor's degree or higher father their first child before age 25?

    <p>14%</p> Signup and view all the answers

    Which eating disorder is characterized by recurrent episodes of binge eating without compensatory behaviors?

    <p>Binge-Eating Disorder</p> Signup and view all the answers

    Which demographic group has a higher prevalence of anorexia nervosa?

    <p>Non-Hispanic Whites</p> Signup and view all the answers

    What type of body image distortion is commonly found in men with eating disorders?

    <p>Muscle dysmorphia</p> Signup and view all the answers

    What is one of the health consequences associated with anorexia nervosa?

    <p>Severe dehydration</p> Signup and view all the answers

    Which of the following factors is NOT identified as a cause of eating disorders?

    <p>Medical conditions</p> Signup and view all the answers

    Which eating disorder includes inappropriate compensatory behaviors such as purging?

    <p>Bulimia Nervosa</p> Signup and view all the answers

    What is the reported mortality rate of anorexia nervosa among psychiatric disorders?

    <p>Highest</p> Signup and view all the answers

    How does educational attainment affect the age men become fathers?

    <p>Higher education correlates with older fatherhood</p> Signup and view all the answers

    Which of the following statements about eating disorders is false?

    <p>Men are not affected by eating disorders</p> Signup and view all the answers

    What occurs if the egg released by the ovaries is not fertilized?

    <p>It is flushed out of the system during menstruation.</p> Signup and view all the answers

    Which of the following is NOT considered a secondary sexual characteristic in females?

    <p>Menstruation</p> Signup and view all the answers

    Why do boys typically develop acne more than girls during puberty?

    <p>Greater levels of testosterone</p> Signup and view all the answers

    What trend has been observed regarding the average age of menstruation onset in girls over the past century?

    <p>It has become younger.</p> Signup and view all the answers

    Which factor is NOT mentioned as a reason for early puberty in girls?

    <p>Viral infections</p> Signup and view all the answers

    What recommendations has the Centers for Disease Control and Prevention made regarding school start times?

    <p>Schools should start no earlier than 8:30 a.m.</p> Signup and view all the answers

    What group of girls is mentioned as typically developing last in puberty?

    <p>Asian-American girls</p> Signup and view all the answers

    What consequence is linked to children who experience puberty earlier than their peers?

    <p>Increased likelihood of mental health issues</p> Signup and view all the answers

    What factor does NOT contribute to an increased risk of adolescent pregnancy?

    <p>Living with supportive parents</p> Signup and view all the answers

    Which of the following is a noted effect of early puberty on girls?

    <p>Greater anxiety and self-comparison with peers</p> Signup and view all the answers

    What consequence do teenage mothers face post-delivery in terms of education?

    <p>Only 40% graduate from high school</p> Signup and view all the answers

    What physical changes signal sexual maturity in males?

    <p>Broader shoulders and deeper voice</p> Signup and view all the answers

    How has the birth rate for females aged 15–19 changed since 2007?

    <p>Declined by 58%</p> Signup and view all the answers

    How do cultural differences affect the onset of puberty in girls?

    <p>African American girls enter puberty the earliest.</p> Signup and view all the answers

    Which of the following statements is accurate regarding adolescents' sleep patterns during puberty?

    <p>Their sleep time is pushed back to later in the evening.</p> Signup and view all the answers

    Which consequence is associated with children born to teenage mothers?

    <p>They are more likely to repeat a grade.</p> Signup and view all the answers

    What is one factor that can help decrease the risk of adolescent pregnancy according to recent studies?

    <p>Increased parental supervision</p> Signup and view all the answers

    What percentage of unmarried teen mothers receive public assistance within five years of their first child’s birth?

    <p>75%</p> Signup and view all the answers

    What is a suggested strategy for adolescents to balance sleep during the school week and weekends?

    <p>Consistent sleep schedules should be maintained.</p> Signup and view all the answers

    How have sexual activity trends among adolescents changed in recent years?

    <p>Fewer adolescents are engaging in sexual activity.</p> Signup and view all the answers

    Study Notes

    Overview of Adolescence

    • Adolescence lasts from ages 10 to 18, marked by puberty and transition to adulthood.
    • Hormonal changes during puberty foster physical and cognitive development.
    • Brain development contributes to increased risk-taking behaviors and improved abstract thinking.
    • Adolescents redefine relationships with parents, gaining more autonomy while navigating peer influences.
    • Identity formation involves exploration of various roles and ideological positions.

    Growth Patterns

    • Puberty typically starts between ages 8 and 14; girls generally begin around age 10, boys two years later.
    • Physical growth spurt adds 10-11 inches in height and 50-75 pounds in weight; follows a specific sequence of growth in hands, arms, and torso.
    • Gender differences in height and weight emerge; girls are taller until age 14, after which boys tend to surpass in both height and weight.
    • Socially preferable body images often favor shorter women and taller men, leading to weight-related concerns among teens.

    Sexual Development

    • Sexual maturation includes primary characteristics: male testes and sperm production; female ovaries and menstrual cycles.
    • Primary sexual characteristics develop between ages 11 to 15, impacting fertility.
    • Secondary sexual characteristics emerge, including broader shoulders for boys and breast development for girls.

    Acne and Pubertal Changes

    • Acne affects approximately 85% of adolescents, exacerbated by hormonal fluctuations.
    • The age of puberty has shifted earlier, with girls starting menarche around age 13, compared to age 16 a century ago.
    • Early maturation in girls is linked with various mental health challenges, including anxiety and depression.

    Brain Development

    • The adolescent brain matures with increased neural connections and specialized areas, although overall size remains constant.
    • Myelination enhances processing speed but decreases neurological plasticity.
    • The limbic system drives emotional responses and social interactions, while the prefrontal cortex, responsible for decision-making, continues to develop until the mid-20s.

    Decision-Making and Risks

    • Adolescents take more risks due to heightened dopamine sensitivity, which enhances the response to social rewards.
    • Peer presence influences risky behaviors such as unsafe driving and substance use.
    • Mental illness onset occurs predominantly by age 14; repeated drug exposure can alter brain function.

    Sleep Patterns and Risks

    • Adolescents require 8 to 10 hours of sleep, but many average only 7.5 hours due to societal demands and biological changes.
    • Sleep deprivation contributes to issues like irritability, poor academic performance, and risky behaviors.
    • Circadian shifts lead to later sleep times; most schools start before 8:30 AM, exacerbating sleep-related problems.
    • Increased sexual attraction typically begins by age 10 or 11; over half of high school students report having experienced sexual intercourse.
    • Adolescent pregnancy rates have declined significantly since the early 1990s, with a notable drop of 58% between 2007 and 2018.### Adolescent Sexual Activity and Pregnancy Risk
    • Recent trends indicate adolescents are less sexually active compared to previous years, with an increased use of birth control among sexually active individuals.
    • Factors reducing risk of adolescent pregnancy include close parent-child relationships, parental supervision, and strong parental values against unprotected intercourse.
    • Increased risk factors for adolescent pregnancy comprise disorganized neighborhoods, low socioeconomic status (SES), single-parent households, older sexually active siblings, early puberty, and history of sexual abuse.

    Consequences of Adolescent Pregnancy

    • Only 40% of teenagers who give birth before 18 graduate from high school, impacting job prospects and economic independence.
    • Teenage mothers are often more likely to experience poverty, with over 75% relying on public assistance within five years of childbirth.
    • Approximately 64% of children born to unmarried teenage high school dropouts live in poverty.
    • Children of teenage mothers face a 50% higher likelihood of repeating grades, are more likely to underperform on standardized tests, and have an increased risk of high school dropout.
    • Among fathers aged 22 to 44, 70% with less than a high school diploma fathered a child before 25, while only 14% of those with a bachelor’s degree did so.
    • Women with higher education levels generally have children at older ages.

    Eating Disorders Overview

    • Eating disorders predominantly manifest during adolescence and young adulthood, affecting both genders but with higher prevalence among women.
    • Men can also experience distorted body image disorders, such as muscle dysmorphia.

    Prevalence and Risk Factors for Eating Disorders

    • Eating disorders affect various racial and ethnic groups similarly, though anorexia nervosa is more common among Non-Hispanic Whites.
    • Genetic, biological, psychological, and social factors contribute to the development of eating disorders, often running in families.
    • Research identifies overlapping genetic factors for anorexia with traits related to metabolism and physical activity.

    Types of Eating Disorders

    • Anorexia Nervosa: Characterized by self-imposed starvation, intense fear of weight gain, and distorted self-evaluation regarding body weight.
    • Bulimia Nervosa: Involves recurrent binge eating followed by compensatory behaviors like purging or excessive exercise, with significant self-evaluation influenced by body shape.
    • Binge-Eating Disorder: Recurrent binge eating marked by distress, without inappropriate compensatory measures.

    Health Consequences of Eating Disorders

    • Anorexia leads to severe health issues, including heart problems, osteoporosis, muscle loss, dehydration, fatigue, and has the highest mortality rate among psychiatric disorders.
    • Bulimia can result in digestive issues and serious health complications, including esophageal damage and tooth decay due to frequent vomiting.
    • Binge eating disorder is associated with obesity-related health risks, including heart disease and Type II diabetes.

    Treatment for Eating Disorders

    • Effective treatment requires nutritional stabilization and cessation of harmful behaviors, tailored to individual needs.
    • Treatments may include medical support, nutritional counseling, medication (like antidepressants), and psychotherapy (individual, group, family).
    • The Maudsley Approach emphasizes family involvement in recovery efforts.

    Cognitive Development: Piaget’s Formal Operational Stage

    • In the formal operational stage, adolescents can contemplate abstract concepts like beauty, love, and morality.
    • Shift from trial-and-error problem solving to hypothetical-deductive reasoning facilitates systematic testing of possibilities.
    • Adolescents are capable of engaging in genuine scientific thinking and accepting hypothetical scenarios.

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    Description

    Explore the complexities of adolescence, a critical period marked by significant physical and cognitive changes. This quiz will cover important topics such as puberty, brain development, and shifts in adolescent relationships. Test your understanding of how these factors influence risk-taking behaviors and abstract thinking during this age.

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