Physiology Of Puberty

Question 1

Thelarche?

Answer 1

Breast development

Question 2

Nocturnal pulsatilla GnRH release every?

Answer 2

90 to 120 mins from 6 to 9 years

Question 3

Mean weight at menarche?

Answer 3

47.8kg

Question 4

ACTH stimulates what?

Answer 4

Zona reticularis in adrenal cortex

Question 5

For boys testicular volume of more than4 after what age?

Answer 5

9

Question 6

Breast growth for girls happens after what age?

Answer 6

8

Question 7

Which hormone acts on growth plates?

Answer 7

Oestrogen

Question 8

Hamartoma?

Answer 8

Benign tumour in head, cause puberty and gelastic seizures (laughing fits)

Question 9

FSH control on?

Answer 9

sertoli cells

Question 10

LH control on?

Answer 10

leydig cells , production of testosterone

Question 11

Production of testosterone happens?

Answer 11

95% from testes and 5% from adrenals

Question 12

What is testosterone converted to?

Answer 12

DHT in cells

Question 13

Age of menarche affected by Body % fat?

Answer 13

16-24

Question 14

Types of precocious puberty?

Answer 14

Central (true), Peripheral pseudo

Question 15

How to treat precocious puberty?

Answer 15

long acting LHRH analog therapy, cessation of gonadotrophin release

Question 16

congenital adrenal hyperplasia?

Answer 16

more cholesterol making testosterone

Question 17

treatment for lack of aldosterone?

Answer 17

fludrocortisone

Question 18

treatment of lack of cortisol?

Answer 18

hydrocortisone

Question 19

kleinfelter prevalence?

Answer 19

1 in 1000

Question 20

symptoms of Kleinfelters?

Answer 20

androgen deficiency, behavioural problems, azoospermia, infertility, microgenitalia

Question 21

treatment for kelinfelters?

Answer 21

lifelong testosterone replacement therapy

Question 22

turner syndrome prevalence?

Answer 22

1 in 2000

Question 23

turners symptoms?

Answer 23

short stature, streak gonads, primary amenorrhoea

WEBBING OF NECK, CUBITUS VALGUS

coarction of aorta, horse shoe kidneys

lymphedema

Question 24

help for turners?

Answer 24

growth hormone therapy, ongoing hrt, assisted conception

Question 25

gonadotrophin deficiency can be caused by?

Answer 25

kallman, cant smell

Question 26

In 25% of females first pubertal sign is ?

Answer 26

Pubarche

Question 27

DHEAS and androstenedione begins in girls and boys at?

Answer 27

Girls- 6 | Boys-8

Question 28

What is the definition of puberty?

Answer 28

The stage of physical maturation in which an individual becomes physiologically capable of pro-creation (sexual reproduction

Question 29

When does a growth spurt happen in girls?

Answer 29

8 to 14

Question 30

When does menarche happen?

Answer 30

10 to 16 years

Question 31

How many girls reach menarche in primary school?

Answer 31

1 in 8

Question 32

Early or precocious puberty is?

Answer 32

Girls under 8 | Boys under 9

Question 33

Delayed puberty is?

Answer 33

Over 14 for both

Question 34

How to treat someone with gonadotrophin deficiency?

Answer 34

Lifelong testosterone replacement therapy