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NDFS 100 > ch 7 > Flashcards

ch 7 Flashcards

1
Q

obesity rates

A

increase over time, recently decreased slightly

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2
Q

1 pound of fat

A

3500 calories

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3
Q

weight bias effects

A

more obesity

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4
Q

basal metabolism

A

Energy to maintain itself (except digestion); largest component of energy expenditure; many factors can increase or decrease it: lean body mass, aging, stress, excess thyroid hormones, illness/injury, caffeine, decrease BMR: insufficient thyroid hormone

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5
Q

thermic effect of food

A

Cost of digestion and absorption of nutrients

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6
Q

physical activity

A

Voluntary activities
Most variable component of energy expenditure

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7
Q

adaptive thermogenesis

A

Nonvoluntary physical activity triggered by reflexes (shivering)

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8
Q

BMI CALCULATING

A

Weight (lbs) times 703/ height (in)^2
Determine height in inches
Square it
Weight times 703
Divide by height in inches

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8
Q

energy outputs:

A

basal metabolism, thermic effect of food, physical activity, adaptive thermogenesis

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8
Q

bmi underweight

A

less than 18.5

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9
Q

bmi overweight

A

25-29.9

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10
Q

bmi healthy

A

18.5-24.9

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11
Q

bmi obese

A

30+

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12
Q

BMI limits

A
  1. doesn’t indicate fat
  2. doesn’t indicate fat location
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13
Q

limited BMI use for:

A

Athletes with low body fat %
Pregnant women
Adults > 65
Women > 50 with little muscle

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14
Q

ways to assess body composition

A

Skinfold
Underwater weighing
Bod pod
Dexa
Bioelectrical impedance (scale for fat %)

15
Q

unhealthy men waist

A

more than 40

16
Q

unhealthy women waist

A

more than 35

17
Q

lots of visceral fat

A

central obesity

18
Q

do men or women have more of an apple shape and higher central obesity

19
Q

% of overweight/obese adults

20
Q

comb calorimeter

A

measures calorie content of a food

21
Q

brown adipose tissue1

A

5% BW; participates in thermogenesis

22
Q

BMR

A

mainly bc of liver and lean muscle mass

23
Q

lower body obesity

A

hormonal; estrogen or progesterone

24
Q

set point theory

A

humans have predetermined genetic body weight or body fat content

25
Q

what fruit is great?

A

stonefruits

26
Q

adults recommended exercise

A

150 moderate/week or 75 vigorous/week; 2 days a week strength training

27
Q

sodium recommendation

A

<2300 mg/day

28
Q

obesity is an _

29
Q

weight loss 3 recs

A
  1. diet quality
  2. exercise/physical activity
  3. positive behavior changes
30
Q

VLCD

A

very low calorie diet; rapid weight loss; ketosis; possible weight regain

30
Q

intermittent fasting

A

many dif types; blood sugar issues(spike and fall)

31
Q

underweight BMI

32
Q

Fad/popular diets

A

rapid weight loss, cure alls, expensive, no exercise needed

33
Q

best diet

A

mediterranean, weight watchers,

NDFS 100 (11 decks)

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