adolescence

Question 1

adolescent

Answer 1

1) mediated by sex hormones
2) hypothalamic area of brain and pituitary

Question 2

transitional period

Answer 2

between juvenile and adulthood
1) secondary sex characteristic
2) mature growth spurt
3) fertility
4) psychological changes

*maturation of sex organs and sex hormones

Question 3

observations

Answer 3

1) rapid growth
2) interaction of many factors
3) off timing of systems
4) transitions occur sequentially but not necessarily at the same time

Question 4

face

Answer 4

1) acceleration in facial growth rate
2) differentiation of the jaw

Question 5

rapid gains in height and weight

Answer 5

1) 4.1-3.5 inches per year
2) girls mature 2 years earlier
3) fat for girls. muscle for boys
- weight gain

Question 6

secondary sex characteristics

Answer 6

1) pubic hair
2) menarche or penis growth
3 )voice changes
4) facial hair
5) oil, sweat glands, acne

Question 7

STD

Answer 7

1) 1/5 adults have std from 21 and up, have it
2) teen pregnancy has gone done over last 8 years
3) 86% of teens are not having sex
4) but diagnosis of std in teens has gone up
1/4 sexually active teens have it

Question 8

brain development

Answer 8

1) not completely developed until late adolescence
2) emotional, physical, mental, abilities incomplete
3) why some seen inconsistent in controlling emotions, impulses, and judgment

Question 9

adolescent brain

Answer 9

1) brain imagining
2) evidence for frontal lobe delays inability to delay gratification and impulse control
3) synaptic reorganization in puberty
- sensitive to experiential input in realm of executive and social cognition

Question 10

dentition

Answer 10

1) exchange of dentition from mixed to permanent
2) we needs to assess stages of development
3) solve developing dentofacial disharmonies

Question 11

sex organs

Answer 11

1) very little growth of genital tissue up until puberty
- explosive rapid growth

Question 12

lymphoid

Answer 12

1) shrinking in size

Question 13

neural growth

Answer 13

unaffected by sexual maturation

Question 14

general body growth

Answer 14

1) not all reacting the same
2) acceleration of the mandible
3) not much acceleration of the arms and legs
4) later acceleration of the maxilla (differential jaw growth)

Question 15

three hormones

Answer 15

1) hypothalamic releasing factors
2) pituitary gonadotropins
3) sex hormones

Question 16

hypothalamic releasing factors

Answer 16

1) first hormones produced in brain in hypothalamus and they target AP gland

Question 17

pituitary gonadotropins

Answer 17

1) second type of hormones produced by the pituitary gland due to influence of hypothalamus
2) target the testis and ovary, some effect on adrenal cortex

Question 18

sex hormones

Answer 18

1) produced by ovary, testis, and adrenal cortex
2) varied effects
3) chemically all steroids

Question 19

first events of puberty occur in the brain

Answer 19

1) cells in hypothalamus begin to secrete substances called releasing factors

Question 20

substances secreted by the nerve cells pass into

Answer 20

capillaries and are carried by blood flow to pituitary

Question 21

at the pitiutary gland

Answer 21

1 )releasing factors stimulate pituitary cells to make hormones called pituitary gonadotropins
2) stimulate endocrine cells in developing sex organs to produce sex hormones
- target testis and ovary with some effect on adrenal cortex

Question 22

in the male

Answer 22

1 testis makes testosterone, but other cells make female sex hormones
2) each person has a mix of both male and female sex hormones

Question 23

iin the female

Answer 23

1) estrogens by ovaries and later progesterone
2) male sex hormones made in adrenal cortex

Question 24

sex hormones from testis and ovary and adrenal cortex are

Answer 24

1 )release to blood stream in quantities that cause accelerated growth of genitals and secondary sex characters
2) also shrink lymphoid and increase general body growth