Ch.10: Energy Balance and Weight Control Flashcards

1
Q

are conditions in which individuals have excessive and unhealthy amounts of body fat. NATIONAL PROBLEM

A

obesity/overweight

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2
Q

Which group is more affected by obesity

A

blacks

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3
Q

Obesity related conditions include

A

heart disease
stroke
type 2 diabetes
types of cancer

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4
Q

Two major components of body composition are

A

fat free mass (body water/tissues)

total body fat (adipose tissue)

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5
Q

All cells contains some lipids but ______ ____ store a droplet of fat.

A

adipose cell

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6
Q

Characteristics of Subcutaneous fat

A

helps insulate
under the skin
protects muscle and bones from injury

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7
Q

Characteristics of Visceral fat

A

forms protective structure under abdominal muscles

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8
Q

Characteristics of white fat

A

white

functions to store fat

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9
Q

Characteristics of brown fat

A
contains more mitochondria and blood supply
function to generate heat
found in upper back and abdomen of infants
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10
Q

Types of tools to measure body fat: It compares weight on land to weight when completely submerged in a tank of water

A

underwater weighing

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11
Q

Types of tools to measure body fat: Uses multiple low energy x-rays to scan body. Provides detailed picture.

A

dual energy x ray absorptiometry

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12
Q

Types of tools to measure body fat:

Assesses body volume, volume of air in chamber with a person in it is compared to volume without the person in it

A

air displacement

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13
Q

Types of tools to measure body fat:

Measures conduction of a weak electrical current through the body

A

bioelectrical impedence

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14
Q

Types of tools to measure body fat:

Measured at multiple body sites by trained person

A

skinfold thickness

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15
Q

are macronutrients in foods and beverages

A

biological fuels

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16
Q

are the main fuels. Small amounts of amino acids are also metabilized for energy alcohol also provides energy

A

glucose and fatty acids

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17
Q

Energy is captures in the molecule

A

atp

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18
Q

energy cells use to carry out activities

A

energy output or expediture

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19
Q

4 types of outputs include:

A

basal and resting metabolism
physical activity
thermic effect of food
nonexercise activity thermogenesis

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20
Q

Sum of all chemical changes or reactions that constantly occur in living cells

A

metabolism

21
Q

reactions require energy

22
Q

reactions release energy

23
Q

minimal number of calories used for vital physiological activities after fasting and resting for 12 hrs

A

basal metabolism

24
Q

9 Factors the influence metabolic rate include

A
thyroid hormone levels
gender
age
body surface area
calorie intake
fever
stimulant drugs
pregnancy and lactation
recovery
25
Basal metabolic energy needs for men and women
men-1.0 kcal/kg/hr | women-.9 kcal/kg/hr
26
Caloric expenditure is dependent on
type of activity duration intensity weight of the person
27
numerical value of relationship between body weight and risk of certain chronic health problems
BMI
28
Formula of BMI
wieght (ibs) / height (in) x 703
29
uncomfortable feeling leading to a desire to eat
hunger
30
sense that enough food was eaten
satiety
31
Proteins that regulate hunger include:
ghrelin leptin CCK PYY
32
hormone secreted mainly by stomach, that stimulates eating behavior
ghrelin
33
hormone secreted by adipose cells that reduces hunger and inhibits fat storage in the body
leptin
34
hormone secreted by small intestine that reduces hunger
CCK
35
peptide secreted by intestines that reduces hunger
PYY
36
inherited characteristics that influence weight include
metabolic rate hormone production body frame sixe pattern of fat distribution
37
Scientific notion that body fat content is genetically predetermined
set point theory
38
the desire to eat appealing foods
appetite
39
Environmental influences include
food advertising increased portion sizes conditions that reduces a person's physical activity
40
factors that influence wieght
``` income' education self esteem mood boredom social pressure ```
41
Key factors of succesful long term weight management
motivation calorie reduction regular physical activity behavior modification
42
Loss of 1 Ib body fate requires a negative energy state of
3500 kcal
43
are environmental factors that stimulate eating behaviors such as viewing food commercials
cues
44
is effective method of treating extreme obesity. surgery reduces size of stomach, limiting amount of food that can be eatern
bariatric surgery
45
little stomach pouch is created. The small intestine is cute and the lower end is attached to the newly formed stomach pouch
roux-en Y gastric bypass
46
portion of the stomach is removed leaving a banana shaped stomach pouch
sleeve gastrectomy
47
surgical method of sunctioning the excess body fat out of the body. cosmetic surgery
liposuction
48
Factors contributing to underweight:
genetics lifestyle practices chronic diseases psychological disturbances
49
Female athlete triad
low energy intakes abnormal menstrual cycles bone mineral irregularities