Puberty

Question 1

what 3 main things happen during puberty

Answer 1

sexual maturation

development of secondary sexual characteristics and growth spurt

Question 2

what age does puberty start to occur for girls

Answer 2

8-13

Question 3

what age does puberty start to occur for boys

Answer 3

9-14

Question 4

avg age for 1st period is

Answer 4

12.8

Question 5

what hormones are involved with puberty (5)

Answer 5

GnRH, LH, FSH, sex steroids and adrenal steroids

Question 6

maturation of adrenals comes before or after puberty?

Answer 6

before

Question 7

puberty is ultimately controlled by changes in sensitivity of the ______ to feedback inhibition

Answer 7

hypothalamus

Question 8

what main hormone begins to increase in puberty?

Answer 8

GnRH

Question 9

because GnRH starts to increase what else starts to increase?

Answer 9

LH and FSH

Question 10

in girls the first sign of puberty is

Answer 10

breast development

Question 11

in boys the first sign of puberty is the

Answer 11

growth of testes

Question 12

the growth spurt in puberty involves interaction between what 3 things?

Answer 12

GH, IGF-1 and sex steroids

Question 13

estrogens and androgens increase the _____ hormone response to ___ and ____

Answer 13

estrogens and androgens increase the GH hormone response to insulin and arginine

Question 14

estrogen also increases plasma

Answer 14

IGF1

Question 15

estrogens and androgens also terminate growth by

Answer 15

causing fusion of the epiphyses of the long bones