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How does indirect calorimetry measure a person's energy expenditure?
measure oxygen uptake --> convert gas exchange value into energy use
how can body fat be determined?
body density= body weight/ body volume
% body fat+(495/body density)-450
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
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.
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