Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
55 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
when does puberty normally start in girls
|
8-13
what about boys? |
9.5-13.5
|
|
|
how long does puberty last?
|
3-4 yrs
|
|
|
|
sMR stages are defined by:
|
primary and secondary sex characteristics
|
|
|
|
by beginning of puberty __% of height is obtained?
what percent of weight? |
84% of height
54% of weight 52% of skeletal mass |
|
|
|
when is the ht velocity for girls peaked?
|
1 yr after breasts start and menarche
|
|
|
|
at what age is 95% of ht reached?
|
g: 13
b: 15 |
|
|
|
boys peak ht velocity?
|
age 14
|
|
|
|
girls who mature earlier...
|
will be taller first. but the girls who mature later will be taller in the end
|
|
|
|
girls peak wt velocity, when?
|
6-9 months BEFORE peak ht velocity
boys peak wt velocity? |
same time as peak ht velocity (age 14)
|
|
|
when does menstruation maybe start?
|
100# OR 17% body fat?
|
|
|
|
girls increase in fat v lean tissue?
|
3 times more increase in fat than lean
120% v 44% |
|
|
|
% body fat in boys v girls?
|
twice as much in girls
|
|
|
|
puberty is a critical time for what to develop?
|
bone mass (90% by age 18)
goes until 3rd decade |
|
|
|
best prevention for osteoporosis?
|
achievement of maximal bone mass
|
|
|
|
what to compare ht and wt to in teens?
|
themselves. not other teens
|
|
|
|
when is ht and wt further evaluation needed in teens?
|
when two or more growth channals (2% = a channal) have been crossed
|
|
|
|
what to monitor biochemically?
|
hgb/hct. maybe start doing heart disease and diabetes screenings
|
|
|
|
why do clinical signs of malnutrition appear more quickly in teens?
|
they're growing more quickly than adults
|
|
|
|
what do contraceptives decrease
|
C
b6 b12 folate What do they increase |
A
copper and lipids |
|
|
what should you increase for IUDs
|
iron and vit C
|
|
|
|
three requirements of kcals
|
1. support growht/maturation
2. support pa 3. maintain health |
|
|
|
kcals for girls:
|
2000 - 2400
for boys: |
2300 - 3100
|
|
|
best tool to estimate teen kcal needs?
|
DRI formula (EER)
|
|
|
|
base energy calcs for teens on:
|
velocity of growth (as opposed to age)
|
|
|
|
protein for girls and bosy?
|
age 9-13: .95 g/kg
age 14-18: .85 g/kg |
|
|
|
CHO RDA for teens 9-18?
|
130 g per day
|
|
|
|
fat % for teens ages 9-18
|
25-35%
|
|
|
|
girls or boys have lower Ca intake?
|
girls
|
|
|
|
where do teens consume the most soda?
|
home
|
|
|
|
vit c needs in teens?
|
only increase if you smoke
|
|
|
|
vit b needs during teens?
|
needs increase
|
|
|
|
what nutrients are esp lost when breakfast is skipped?
|
b vits
|
|
|
|
% of teens that skip lunch
|
25%
|
|
|
|
__ of girls are unsatisfied with their wt?
|
2/3
How many unsatisfied with body shape? |
1/2
|
|
|
how many boys dissatisfied with their wt?
|
1/3
|
|
|
|
vit b needs during teens?
|
needs increase
|
|
|
|
what nutrients are esp lost when breakfast is skipped?
|
b vits
|
|
|
|
% of teens that skip lunch
|
25%
|
|
|
|
__ of girls are unsatisfied with their wt?
|
2/3
How many unsatisfied with body shape? |
1/2
|
|
|
how many boys dissatisfied with their SHAPE?
|
1/3
|
|
|
|
fat's role in acne?
|
no proven relationship
|
|
|
|
severe cases of acne =
|
accutane (not same as vit a supplements)
|
|
|
|
when is tetratogen given?
|
to girls on birth control for acne
|
|
|
|
% of overweight teens?
|
17%
At risk of overwt %? |
1/3
|
|
|
teens with no complications who are at risk for overwt... what to do:
|
weight maintenance
|
|
|
|
teens who are overwt or who are at risk for overwt with complications:
|
wt loss 1-2# per week
|
|
|
|
% of teens that do vigorous pa?
|
50%
|
|
|
|
pa + associated with
|
computer, reading, hw
|
|
|
|
healthful dietary behaviors + associated with
|
hw/reading
|
|
|
|
% of teens with high cholesterol
|
25%
|
|
|
|
metabolic syndrome:
|
3 of these:
hypertension (130/85) trig (150+) low hdl glc 100+ abdominal obesity |
|
|
|
major preventable cause of death:
|
tobacco
|
|
|
|
smokeless tobacco leads to
|
start smoking
oral cancer |
|
|
|
organs that alc effects
|
nearly all organs
Also decrease nutrient absorption |
|
|
|
enyzme that girls have less of
|
alco dehydrogenase
|
|
