DEP 2004 Exam 3 with Complete Solutions | Guaranteed Success
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Course
DEP
Institution
DEP
DEP 2004 Exam 3 with Complete
Solutions | Guaranteed Success
Two types of physical development that occurs during puberty? - -
Dramatic increases in height, weight, and changes in body's fat and muscle
content
- Changes in the reproductive organs that mark sexual maturity, as well as
secondar...
Two types of physical development that occurs during puberty? ✔✔- -
Dramatic increases in height, weight, and changes in body's fat and muscle
content
- Changes in the reproductive organs that mark sexual maturity, as well as
secondary sexual characteristics (body and facial hair, growth of breasts)
What should we expect during adolescence regarding brain development?
✔✔- - By the beginning of adolescence, the brain is 95% of adult size and
weight
- Myelination and synaptic pruning are nearly complete
- Not all brain regions reach maturity:
--> Brain systems sensitive to reward reach maturity
--> Brain systems responsible for self-control are not fully specialized until
adulthood
Physical growth during puberty ✔✔- During the adolescent growth spurt,
females gain as much as 15 pounds a year and boys 17 pounds
,-Body parts do not mature at the same rate
-Body fat increases, more so for girls
-Muscle fibers become thicker and denser; heart and lung capacity
increase, more so for boys
What are primary sex characteristics? ✔✔- organs of reproduction
What are secondary sex characteristics? ✔✔- denote physical signs of
maturity not directly linked to reproduction
What is menarche? ✔✔- onset of menstruation in girls
What is spermarche? ✔✔- the first spontaneous ejaculation of sperm-
containing fluid
When is the onset of puberty in males? ✔✔- Early maturer: 11 (boys)
Late maturer: 15-16 (boys)
When is the onset of puberty in females? ✔✔- Early maturer: 9 (girls)
Late maturer: 14-15 (girls)
What is the strong predictor letting us know about time of menarche? ✔✔- -
A daughter's age at menarche relates to her mother's age at menarche
- Menarche occurs earlier in countries or SES levels where nutrition and
healthcare are better
, - Girls start menarche earlier when stressed (e.g., when mothers had
harshly punished them or had stressful relationships themselves)
What are we going to see regarding spermarche? ✔✔- - Less is known
about boys' reactions to spermarche
- Feel more positively if prepared for it (e.g., by reading)
- Rarely tell parents and friends
What are the negative consequence regarding early maturation for girls?
✔✔- Early maturation's effects on girls' sexual activity varies among U.S.
ethnic groups
lack self-confidence, less popular, more likely to be depressed and have
behavior problems
pressured into sex early and become mothers while still teenagers
(Poverty)
What are the negative consequences regarding early maturation for boys?
✔✔- Early-maturing boys are at risk for psychological disorders such as
depression; they are also more prone to substance abuse and to sexual
activity. Because they spend more time with older boys and more exposed
to risky behavior
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