Quiz 7 (7)

Question 1

general intake

Answer 1

inc
portion distortion
eating out more
eating even though not hungry

Question 2

general activity

Answer 2

few (5%) exercise for 30 min 3x a week

due to sedentary occupations and lifestyle

Question 3

body fat consequ

Answer 3

cardiovas dis
cancer
gallbladder dis
type 2 diab
psychosocial problems (dep+ anxiety)
sleep apnea

Question 4

ABCD in weight

Answer 4

anthropometrics
biochem
clinical
diet

Question 5

BMI

Answer 5

evalu body weight
weight relation to height
healthy 18.5-24.9
overw 25-29
obese 29-35
v high >35

Question 6

BMI and health risks

Answer 6

not always accurate

some exceptions to relation btw high categories and serious health problems

Question 7

implications for overweight

Answer 7

greater risk early death

Question 8

body compostion

Answer 8

methods measure comp
   skinfold thickness (original)
        limited
   bioelectric impedance 
   analysis
    water/air displacement
         best!
         challenging to get 
   dual-energy xray absorpt
          records bone density

Question 9

location of fat can affect health

Answer 9

central obesity
visceral fat
measure around waist

Question 10

visceral fat

Answer 10

central area
around organs
linked to blood p and blood glucose, cardiovas dis, stroke, diabe, subcut fat

Question 11

waist circumference

Answer 11

heart dis and type 2
w/ large circum
women >35
men >40

Question 12

components of total energy expenditure (TEE)

Answer 12

thermic effect of food
  10%
  energy needed proces./ store food
physical activity
   15-30%
basal metabolism
   body needs to stay alive
   50-70%

Question 13

BMR- direct calorimetry

basal metabolism

Answer 13

measure heat loss at rest

Question 14

RMR- indirect calorimetry

Answer 14

measure O2 intake and CO2 output

reflects amnt energy cells using at rest

Question 15

Factors BMR Basal metabolism

Answer 15

with age dec
men higher levels
preg can inc
stress
temp inc energy
thyroid fun
sleep
  inc appet when don't get enough

Question 16

fat dev

Answer 16

eating past nut. needs

Question 17

1lb fat

Answer 17

3500 calories

Question 18

fat storage factors

Answer 18

fat cell physiology

genetics

Question 19

fat cell physiology

Answer 19

have own hormonal mess
      tell body gain weight
can inc in size and then inc in number
weight loss
   fat cells shrink in size but have same number

Question 20

liposuction

Answer 20

removes subcut. fat

Question 21

genetic / environment and fat

Answer 21

work together

doesn’t depend on one alone

Question 22

thrifty metabolism

Answer 22

need fewer calories

Question 23

adaptive thermogensis

Answer 23

adapt diff climates

Question 24

brown adip tissue

Answer 24

more mitochondria

= more energy

Question 25

physical activity NEAT

Answer 25

nonexercise act thermogenetics | burn energy while sitting

Question 26

set point

Answer 26

resists weight change don't think about eating can change in life

Question 27

satiety

Answer 27

feeling full and satisfied | quit eating at earliest recog

Question 28

short term

Answer 28

reg. food intake from meal to meal ghrlin- inc appet cholecystokinin and peptide YY supress appet

Question 29

long term

Answer 29

reg amnt body fat | leptin

Question 30

if you should lose weight

Answer 30

``` BMI and Body comp!! normal bmi management overweight other risk factors? obesity can be false positive high bc lean body mass ```

Question 31

approaches weight loss

Answer 31

``` set reasonable goals reduce weight 5-10% 1-2lbs/week chose nutritious foods inc. energy expendi. by daily physical act ```

Question 32

chara. successful weight loss maint

Answer 32

monitor weight status eat breakfast reg 60-90 min act focus on lifestyle changes and less on weight

Question 33

weight loss aids

Answer 33

``` prescrip pills short term gain weight back usually dietary supp over the counter ```

Question 34

bariatric sugeries

Answer 34

band around stomach opening dec stomach quantity can resolve type 2 18 mon. weight will be lowest lifestyle determines if can keep weight off

Question 35

risks w/ low body weight

Answer 35

alters electro balance immune fun dec inc. risk early death

Question 36

BEE basal energy expenditure

Answer 36

``` depends on age body com body size gender ```

Question 37

EEr

Answer 37

``` estima. energy requir predicts energy needs factor in age life stage weight act. level height physic act inc= cal need inc ```

Question 38

obesity genes

Answer 38

regul body fatness

Question 39

body weight

Answer 39

balance btw genes and lifestyle

Question 40

inherited genes affect

Answer 40

metabolic rate, food intake, fat storage, act. level NEAT and thrift metab inc to obesity

Question 41

good weight loss plan

Answer 41

allows wide range food choices not require purchase special foods or special combos of foods easily followed for life