Chapter 11 and 12 Flashcards
Adolescence
Transition between childhood and adulthood
The teenage years
Puberty
The physical changes that culminate in sexual maturity
Pueberty begins when the ______ sigmas to a child’s _______ to increase its production of androgen
Pituitary gland
Adrenal gland
Endocrine Gland
Glands that secrete hormones governing growth and other aspects of physical development
Pituitary gland
Glands that trigger other glands to release hormones
The master Gland
Gonadotrophic hormones
Hormones responsible for the development of the sex organs
Hormone responsible for developing testes
Testosterone
Hormone responsible for the development of the ovaries
Estrogen
Primary sex characteristics
Include the growth of the testes and penis for men
Growth of ovaries, uterus, and vagina in the female
Secondary sex characteristics
Include breast development in girls
Changing voice pitch and beard growth in men
Pubic hair for both
Five stages of sexual maturity
Stage 1: predescent stage Stage 2: first signs of Change Stage 3: intermediate step Stage 4: intermediate step Stage 5: final development of adult characteristics
Menarche
Beginning of menstrual cycles
Occurs two years after beginning of visible changes
Sexual development on girls
Changes in breast and pubic hair, followed by growth spurt, full development of breast and pubic hair
Menarche occurs averagely around age
12.7
Secular trend
Decline in average age of menarche, due to increased in nutrition and health improvement
Back in 19th century, people were shorter and got late periods (age 17)
Sexual development in boys
Peak of growth comes typically late in physical development
Beard development and voice change occurs near end as well
Viable sperm available between 12-14, before they reach peak height
Timing of pueberty
Girls who are early developers experience no _____________ issues or falling _______.
They may associate with ______ teens who show ______ behaviours
Self esteem
Falling grades
Older
Antisocial
Girls attain most their adult height at age _____ while boys continue to grow until __/___ years
16
18-20
When the skeleton grows, the normal _____ and _____ rules are _____
Cephalocaudal and proximodistal
Reversed!!
Meaning hands and feet grow first in pueberty
Changes in jaw and teeth
In adolescence both jaws grow forward when the permenent teeth come in
Also brings the forehead forward
Joint development: boys vs girls
Girls wrists completely develop by mid teens. Boys finally catch up around 18 years old with finer cordination and gain superiority over girls
The muscular system in adolescents
_________ become thicker and denser. Meaning boys and girls both increase in _____.
Healthy girls, %___ rises and %____ falls
Healthy boys, %____ falls and %_____ rises
Muscle fibers
%fat rises and %muscle falls
%fat falls and %muscle rises
Heart and lungs ______ in size and _______ drops.
Increase
Heart rate
2 major brain spurts in teenage years
1) age 13-15: cerebra cortex become thicker, efficient neuronal pathways
2) age 17-early adulthood: frontal lobes of cerebral cortex develop (area responsible for logic and planning)
Pelvic inflammatory disease
Infection of the female reproductive tract that may result from a sexually transmitted disease, leading to infertility
Percentage of teens who have wed before 15
9%
Percentage of people who have sex between 15-17
30%
Percentage of those who have sex between 18-19 years old
68%
Who’s more likely to report not using a condom
Females
Two types of sexual safety
Condoms and Oral contraceptives
Boys who have sex at a young age typically….
Live in poor neighborhoods Have low parental monitoring Have relaxed dating rules More likely to use alcohol We’re abused or neglected as children
Girls who engage in sexual activity at a younger age
Went through menarche ealier
Dates at ealier age
Have history of sexual abuse
Have low interest in school
Sexual activity is lower in those who
Play spots and other after school activities
Have religious beliefs(no sex, no marriage)
Sti and infections
Chlamydia continues to rise in younger teens
Does proving condoms to young teens promote sexual behavior?
Nooo
Having condoms does not make more people have sex, but does make it so people use condoms
Having sex Ed and becoming aware of issues related to having sex are:
Very important and should be taught in school
Teen pregnancy rates have ______. The _____ is the leading country to have _______ ________. Teen pregnancies are _____ frequent in older adolescence and more likely to happen once the girl ______.
Declined
USA
Teen pregnancy
More
Graduates
Teen pregnancy occurs less in those who
Do well in school
Have good communication with mothers
Sensation seeking
Teenagers heightened desire to experience increased levels of arousal
Fast driving, switching lanes, trying drugs,
Average age of drug and alcohol use:
13-14 years old
1 cause of death for teens
Car accidents
Slightly more than ___% or grade 7-9 have used alcohol in the last year
25
The issues with teenage drinking
Teenager have the third highest rates of impaired driving rates
Cigarette smoking has _____.
____ often smoke more than ____ at a younger age
Decline
Boys / girls
Bulimia (bulimia Nervosa)
Eating disorder characterized by binge eating the puking it all up
Anorexia nervosa
Eating disorder characterized by self starvation
Completed suicide is _____ times higher in adolescent ____ than ______
3.5x
Boys
Girls
Suicide attempts are far more higher in _____ than _____
Girls
Boys
2nd leading cause of death in teens
Suicide
Medication for depression
SSRI’s lead to negative side effects
Increasing suicide thoughts