Growth, puberty and adolescence

Question 1

What is the z score?

Answer 1

Number of standard deviations away from the mean

Question 2

What is the standard deviation?

Answer 2

Measure of variabilty

Question 3

How far apart are centile lines spaced?

Answer 3

Spaced 2/3 of a standard deviation apart

Question 4

What is normal growth?

Answer 4

Their measurements are within the normal range compared with children of their age

Their rate of growth is within the normal range compared with children of their age

Question 5

How are babies weighed?

Answer 5

Weight without any clothes or nappy

Question 6

How are children over 2 weighed?

Answer 6

Weighed in vest and pants but no shoes and no dolls/teddies in hand

Question 7

Which type of scales are used to weigh children?

Answer 7

Class III clinical electronic scales in METRIC setting

Question 8

How should head circumference be measured?

Answer 8

Using a narrow plastic or disposable paper tape

Question 9

Where should you measure head circumference?

Answer 9

Where the head circumference is widest

Question 10

How should you measure length?

measure before 2 years if concerned

Answer 10

Length board/mat
Requires TWO measurements
Length measured without nappy or footwear

Question 11

When and how should height be measured?

Answer 11

Measured from age 2 using a rigid rule with a T piece or stadiometer

-ensure heels, bottom, back and head are touching the apparatus with eyes and ears at ninety degrees

Don’t try to stretch up, measure on expiration

Question 12

Average onset of puberty for girls and boys?

Answer 12

Girls is 11 years

Boys are 6 months later

Question 13

Scale used to stage puberty?

Answer 13

Tanner

Question 14

Thelarche

Answer 14

Breast budding

Question 15

Adrenarche

Answer 15

Body hair and odour

Question 16

Menarche

Answer 16

Periods (usually start 2 years post thelarche)

Question 17

TCPP (true central precocious puberty) for girls and boys

Answer 17

<9 years for boys

-occurs more often in girls than boys

Question 18

Pubertal delay

Answer 18

Absence of secondary sexual development n a girl aged 13 or a boy aged 14 (this is more common in boys than girls)

Question 19

When is a girl’s peak height velocity?

Answer 19

12 years

Question 20

When is a boys peak height velocity?

Answer 20

14 years

Question 21

Average height difference between men and women and 3 reasons why

Answer 21

Average height difference is 12.5-24cm
Due to:
-Boys have delayed PHV
-Boys PHV>girls
-Boys taller in pre-puberty

Question 22

Constitutional growth delay

Answer 22

Late maturation causing short stature, they will catch up etc just really tricky having to go through

Question 23

Centile terminology

Answer 23

If the point is exactly on the line, or within 1/4 of a space of the centile line = “on the centile”

If not, “they are between centile X and Y”