Adolescence Flashcards
Set of biological changes involved in reaching physical and sexual maturity.
Puberty
Adolescence is ______ constructed due to cultural variations in how adulthood and adult roles are defined.
culturally
Adolescence usually begins after the age of _____ and ends by the age ____.
10, 20
Oestradiol _______.
a - is a sex hormone that is regulated by the amygdala
b - is an androgen important in pubertal development
c - is produced only in females
d - increases in females by the mid-teens
d - increases in females by the mid-teens
Which of the following is a secondary sex characteristic?
a - breasts
b - vagina
c - ova
d - fallopian tubes
a - breasts
In regard to the onset/timing of puberty, who of the following is more at risk of substance use and delinquency?
a - on-time maturing boys
b - late-maturing boys
c - late-maturing girls
d - early-maturing girls
d - early-maturing girls (due to involvement with older teens, negative body image and associated behavioural problems).
Tran is an 8 yrs old girl who lives in a western country in an urban area. If one were to compare the timing of puberty for Tran to the timing of puberty for their ancestral female lineage, one would expect that Tran will experience puberty ________ others did in her family’s history.
a - significantly older than
b - sightly older than
c - similar to when
d - younger than
d - younger than
In many traditional cultures, young men are required to demonstrate courage, strength and endurance in their common-of-age ritual because:
a - they want to assert their power over women
b - there are required by national law
c - daily life often requires these capacities
d - it is a way to show off for the young women observing.
c - daily life often requires these capacities (reflection of what is required of adult men)
Adolescent metamorphosis includes some distinct body changes such as:
growth spurt, pubic hair and underarm hair, body shape, breast development, menstruation in girls, facial hair in boys…..
Pubescere is a latin word for puberty meaning _______.
‘to grow hairy’
Two classes of sex hormones are _____ and ________.
Oestrogens, androgens
Most important puberty oestrogen is ________ and the most important androgen is _________.
oestradiol, testosterone
Oestradiol is only a female hormone, while testosterone is only male hormone. True/False
False, both are produce by male and female but the balance changes in puberty
By mid teens, oestradiol is about ___ times higher in girls, and ___ times higher in boys than before puberty.
8, 2
_________ sex characteristics are directly related to reproduction, the production of ova and sperm.
Primary
Females release about ____ ova in the course of their reproductive life.
400
Development of sperm in boys testicles at puberty is called _______.
spermache
Typical male ejaculation contains between ____ to _____ million sperm, or 1 million every day.
100, 300
Bodily changes resulting from the rise of sex hormones but not related to reproduction.
Secondary sex characteristic (growth of pubic hair, oily skin, sweat, voice changes)
Sharp increase in synaptic connection that takes place around time puberty begins (10-12 years) is called _________.
overproduction or synaptic exuberance
The ______ lobes are involved in most of the higher brain functions such as planning ahead, solving problems and moral judgments.
frontal
Overproduction peaks around age 11 or 12 followed by massive amount of ________ pruning.
synaptic
What is the percentage of brain volume lost between ages of 12-20 as a result of synaptic pruning?
7-10 percent
Blanket of fat wrapped around the main part of the neuron is __________.
myelin
Myelination _______ the speed of brain’s electrical system.
increases
Synaptic pruning and myelination make brain functioning more/less flexible and changeable.
Less
The last structure of the brain to stop growing, with overproduction and pruning finishing around mid 20s.
Cerebellum (higher functions such as maths, music, decision making, social skills, humour)
Voice change in boys occurs usually at the age of _______.
11 or as late as 15
In the western countries, girls begin puberty about 2 years earlier than boys, while in some traditional cultures boys reach puberty before girls. True/False
True
Puberty is influenced by cultural environments (e.g. nutrition, medical care). True/False
True
A ________ trend is a change in the characteristics of a population over time.
secular
Menarche age has been stable since 1970 due to adequate nutrition and medical care being widespread in developed countries. True/False
True
Typically, in developed countries the age of menarche is _____ years old, and in developing countries _______ .
12.5, 15
Early maturing girls are at high risk of behavioural problems while early maturing boys generally have more favourable body image and higher popularity. True/False
True
Late maturing boys have higher rates of alcohol use and delinquency while late maturing girls have fewer problems. True/False
True
Symptoms and behaviours of an eating disorder but at a lesser frequency and lower severity.
Disordered eating behaviour
Dissatisfaction with body image, prevalent in _____ 37% vs 13% in _____.
girls, boys
Two most common eating disorders are _______ and ________.
- anorexia nervosa (intentional self-starvation)
- bulimia (binge eating accompanied by purging)
___ percent of Australian population are estimated to have an eating disorder.
Four
Most eating disorders have an onset in teens and early 20s. True/False
True