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state of energy balance - (Answer)▪A state of energy balance: Calorie intake is equal to calorie
expenditure.
▪Body weight remains stable.
positive energy balance - (Answer)Calorie intake is greater than calorie expenditure.
when does positive energy balance occur - (Answer)overeating, low activity, or both
What happens to calories consumed in excess over time? - (Answer)Over time, the calories
consumed in excess of expenditure contribute to weight gain
negative energy balance - (Answer)Calorie intake is less than calorie expenditure.
when does negative energy balance occur - (Answer)▪decreasing calorie intake,
▪increasing physical activity (PA), and
(preferably) both
,weight loss
calorie - (Answer)▪Unit by which energy is measured
▪Technically, a calorie is actually a kilocalorie of kcal.
how to estimate the total number of calories in a food or diet - (Answer)▪The total number of calories
in a food or diet can be estimated by multiplying total grams of carbohydrates, protein, or fat by the
appropriate number of calories per gram.
where do calories come from - (Answer)carbohydrates, protein, fat, and alcohol
▪4/4/9 Rule - (Answer)▪Protein: grams x 4= calories from protein
▪Carbohydrates: grams x 4= calories from carbs
▪Fat: grams x 9= calories from fat
▪Calculate total: add calories from all
▪Adjust for servings eaten: multiply total calories by the number of servings you consumed
, how is basal energy metabolism measured? - (Answer)under strict labratory conditions, fasted, upon
awakening, no movement
how is resting metabolic rate measured? - (Answer)less restrictive and more practical - allowing for
daily activities and moderate fasting
basal metabolism - (Answer)▪Caloric cost of staying alive or the amount of calories required to fuel
the involuntary activities of the body at rest after a 12-hour fast.
how many calories does the BMR account for - (Answer)▪Basal metabolic rate (BMR) accounts for
approximately 60% of total calories expended.
▪The less active a person is, the greater the proportion of calories used for basal energy expenditure
(BEE).
involuntary body activities - (Answer)▪maintaining body temperature and muscle tone, producing
and releasing secretions, propelling the gastrointestinal tract, inflating the lungs, and beating the
heart