puberty Flashcards

1
Q

secretion of sex steroid hormones after regeneration fo the zona reticularis in the adrenal cortex is?

A

adrenarche

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2
Q

when does adrenarche occur?

A

age 6-8

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3
Q

when does gonadarche begin?

A

age 8

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4
Q

pulsatile gnRH is incr without phenotypic changes is what stage?

A

gonadarche

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5
Q

when breast bud development begins

A

thelarche

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6
Q

thelarche begins when

A

11

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7
Q

breast buds are generated in response to _____

A

estrogen

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8
Q

onset of pubic hair growth around age 12

A

pubarche

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9
Q

pubarche normally precedes menarche by____

A

2 years

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10
Q

when does menarche usu occur?

A

age 12-13

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11
Q

how long does it take for regular ovulatory menstrual cycles to occur?

A

2 yrs

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12
Q

FSH is responsible for synthesis of____, whereas LH is responsible for synthesis of ____

A

estrogen; progesterones & androgens

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13
Q

vagine is ____cm at birth, grows ___cm during early childhood, incr to ____late childhood

A

4; 1; 7-8.5

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14
Q

after menarche what happens to uterine corpus: cervix ratio?

A

3:1

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15
Q

at what age does gnRH become enhanced during sleep

A

8

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16
Q

growth peak is ___years after breast budding and ___year before menarache

A

2; 1

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17
Q

sexual maturation typically takes____yrs

A

4.5

18
Q

precocious puberty is defined as breast development before___, pubic hair before___, menstruation before____

A

age 7; age 8; age 10

19
Q

multiple bone fracures, cafe au lait spots, gnrh independent precocious puberty

A

mccune albright syndrome

20
Q

tx of choice for GnRH dependent precocious puberty

A

GnRH agonists

21
Q

best assessment for skeletal maturation?

A

bone age

22
Q

delayed puberty is no secondary sex characteristics by____; no menarche by____, no menses initiation ____after thelarche

A

13 yo; 15-16 yo; 5 years

23
Q

most common cause of delayed puberty with incr FSH is

A

Turners syndrome

24
Q

tx of turners

A
  1. GH initiated early
  2. estrogen when puberty would normally start
  3. delay progestins until Tanner stage IV
25
Q

most common tumor assc’d with delayed puberty

A

craniopharyngioma

26
Q

hypoplastic olfactory tracts, no secretion of gnRH from arcuate nucleus, no breast development

A

kallmann syndrome

27
Q

how to tx kallman syndrome

A

exogenous hormones or admin of pulsatile GnRH

28
Q

most common cause of primary ameorrhea in women with normal breast development

A

mullerian agenesis

29
Q

congenital absence of vagina, uterus, fallopian tubes; normal ovarian fxn

A

mullerian agenesis

30
Q

present with pelvic pain and bulging bluish vaginal introitus

A

imperforate hymen

31
Q

tanner stage: elevation of papilla only

A

stage B1

32
Q

tanner stage: elevation of breast, papilla as small mound, enlargement of areolar diameter

A

stage B2

33
Q

tanner stage: enlargement of breast & areola with no separation of contours

A

stage B3

34
Q

tanner stage: further enlargement with projection of areola and papilla to form a secondary mound above the level of the breast

A

stage B4

35
Q

tanner stage: projection of papilla only, resulting from recession of the areola to the general contour of the breast

A

stage B5

36
Q

tanner stage: no pubic hear

A

stage PH1

37
Q

tanner stage: sparse growth of long, slightly pigmented, downy hair, straight or only slightly curled, appearing chiefly along the labia

A

stage PH2

38
Q

tanner stage: hair darker, coarser, and curlier; spreads to extend sparsely over the junction of the pubes

A

stage PH3

39
Q

tanner stage: hair adult in type; spreads over the mons but not to the medial surface of the thighs

A

stage PH4

40
Q

tannder stage: adult hair in quantitity and type

A

stage PH5