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Module Four chapter 6 and 7

What determines the three dimensional shape of amino acids

the order of the amino acids

when given the total caloric intake, how can you estimate the thermic effect of food?

add 5%

How does indirect calorimetry measure a person's energy expenditure?

measure oxygen uptake --> convert gas exchange value into energy use

what is an EER?

estimated energy requirement

purpose of BMI?

to measure healthy weight

limitations of the BMI?

short people and the elderly

criteria for the adult BMI of underweight


criteria for the adult BMI of overweight


criteria for the adult BMI of obese class 1


criteria for the adult BMI of obese class 2


criteria for the adult BMI of obese class 3

> 40

how can body fat be determined?

body density= body weight/ body volume
% body fat+(495/body density)-450

body fat desirable for men and women

men= 8%-24%
women= 21%-35%

body fat obesity for men and women

men= +24%
women= +35%

waist circumference indicating upper body obesity?

men=40 inches
women=35 inches

where is the hunger/satiety center located?


how does hunger differ from appetite?

hunger= internal drive
appetite=external drive

what is the definition for a hormone?

internally secreted compounds formed in endocrine glands that affect function of specifically receptive organs/tissues when transported to them by body fluids

hormones increase hunger


hormones increase satiety?


where is leptin produced?

in the beta cells

where is ghrelin produced?

in the stomach

what is chain breaking?

breaking the link between two or more behaviors that encourage overeating

what is stimulus control?

altering the environment to minimize stimuli for eating

what is cognitive restructuring?

changing ones frame of mind regarding eating

what is contingency management?

forming a plan of action to respond to a situation in which overeating is likely

how does the weight loss medication orlistat(eenical, alli) work?

reduces fat digestion by 30% by inhibiting lipase. enzyme action in the small intestine

what are common adverse effects of using orlistat when on a high fat dietary intake?

gas, bloating and oily discharge and nasty poo

what is the benefit of the weight loss medication meridia?

enhances norepinephrine and serotonin activating in the brain reducing uptake of neurotransmitters by nerve cells. neurotransmitters remain active in brain and prolonging sense of hunger.

what are the side effects for the weight loss meridia?

constipation, dry mouth, insomnia and mild increase in blood pressure.

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