chap 2 Flashcards

1
Q

physical growth

A

increase in body size occurs from newborn becoming adult

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2
Q

recumbent length

A

birth to 2

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3
Q

stature

A

after 2

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4
Q

head circumference

A

birth to 3

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5
Q

weight

A

every age

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6
Q

weight for length of

A

birth to 2

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7
Q

BMI

A

after 2

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8
Q

linear growth

A

recumbent length and stature

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9
Q

measure of mass of all body tissues

A

weight

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10
Q

BMI is the most ___

A

common stature standardized weight indicator for overweight/obesity

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11
Q

midarm circumference

A

index of underlying fat and muscle tissue

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12
Q

abdominal circumference

A

abdominal fatness

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13
Q

skinfolds

A

measure subcutaneous adipose tissue thickness

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14
Q

infancy birth to 2

A

rapid growh, bw doubles by 5m, triples by 1 yr, brain doubles weight

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15
Q

Preschool 3-6

A

rate of growth slows, 6-9cm/ys, 1.9-2.5kg/per, brain wt triples by 3, girls greater adipose tissue at 6yrs

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16
Q

Middle childhood 7-10

A

rate of growth is steady, 7yrs: 5-7cm/yr, 2kg/yr, 4kg/yr by 10, boys are larger at 7, girls are larger at 10

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17
Q

Adolescence 11-18

A

starts before puberty and spans to complete maturation g 16-18, b 18-21, growth spurts 11-14 g, 2 yrs after girls, girls more body fat, boys more skeletal muscles

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18
Q

first 3 yrs of life plotting

A

well-child visits 2,4,6,9 m visits

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19
Q

after 3 yrs plotting

A

annual visits

20
Q

WHO chart

A

birth to 2, growth standard

21
Q

CDC growth chart

A

identify child not growing normally, 2+

22
Q

Growth chart summaries

A

CDC: 2+, handicapped children
WHO: birth to 2 for growth standard due to healthy population used
WHO reference: healthy weights/BMI

23
Q

BMI charts

A

CDC: overwt: 85th - 95th, Obesity: above 95th,
under 5 WHO: overwt 2-3 SD, obese +3 SD
After 5 WHO: overwt 1 SD, obese +2 SD

24
Q

Race/ethnicity

A

dif between races are small, use one set of growth charts to due environment over genetics

25
Q

Premature/fetal growth

A

subtract full term from gestational age

26
Q

CDC Flaws

A

combined data, not from 1 study, limit utility of wt data from earlier samples, national data from largest sample of children, best data to date

27
Q

WHO flaws

A

reflect growth of breastfed babies, urban middle class family data, methodological advantages using newer WHO for birth to 2, important aspects of sampling, focuses on evaluating children of optimal conditions

28
Q

puberty in girls

A

menarche

29
Q

tanner stages

A

asses progression of sexual maturation, stage ages vary by race/ethnicity

30
Q

Stage B2

A

development of breasts

31
Q

Stage G2

A

development of gentials boys

32
Q

Stage PH2

A

appearance of pubic hair

33
Q

heavier kids

A

pubic hair more advanced then genitals, breasts more than pubic hair

34
Q

Primary body tissues that change during growth

A

muscle, adipose tissue, and bone

35
Q

Muscle, adipose, bone quantified

A

FM and FFM

36
Q

LBM

A

metabolically active differs from FFM bc composed of muscle, organs, and skeleton with fat from bone marrow

37
Q

FFM

A

is LBM without fat

38
Q

Density of lean tissue

A

varies on hydration and proportions of muscle and bone which vary among age, sex, race, maturation, exercise, and n. status

39
Q

body composition calculations

A

from measures of body density, bone density, and volume of total body water

40
Q

Growth in FFM and LBM

A

primarily due to increase in skeletal muscle mass, largest single tissue component of body, major is water,

41
Q

Stature

A

+ relationship w/ FFM, LBM, skeletal muscle mass

42
Q

Muscle

A

20% body weight at birth is skeletal muscle (35-40% at adulthood), girls slows around 16, rapid for boys after 13, growth period twice as long, shoulders, arms, greater FFM

43
Q

Body Fat

A

majority subcutaneous, girls 20%+ at 10yrs, increase into adolescence, body decrease after 13, deposit adipose on torso for both, girls have breast, butt, thighs, and back of arms

44
Q

Skeletal growth

A

continuous, bone in legs/vertebrae major locations, mature at 16 girls, 19 boys,

45
Q

Peak bone mass

A

max mineral mass attained by skeleton, achieved in late middle of third decade of life, peak rates lag about .8 to 1.2 in girls, and .6-.9 yrs in boys behind age of peak height velocity

46
Q

growth velocity

A

growth per unit of time

47
Q

increment growth reference

A

indicate if growth is normal, reflecting tempo of growth, aid in short term assessment