exam 2 Flashcards
(163 cards)
dietary reference intakes
four sets of dietary recommendations
recommended dietary allowance
avg daily amount of a given nutrient
acceptable macronutrient distribution range
intake ranges of essential nutrients
essential nutrients
needed to build, maintain, and repair tissues and regulate body functions
electrolyte function
maintain right amount of fluid inside and outside cell
4 water functions
digest, absorb, and transport nutrients
regulate body temp
remove waste
lubricate
what is an electrolyte
mineral….
carry electrical charge
conduct nerve impulses
how much water do we need everyday
1-1.5 milliliters per calorie spent
what are carbs
main source of energy
only source for brain cells and red blood cells
how many carbs do we need daily
130 grams until 70
two types of carbs
simple
complex
simple carbs
sugars; composed of one or two units
easily digestible
glycogen
glucose stored in liver
how much sugar do americans consume daily
22.5 teaspoons
recommended percent of calories for simple carbs
10
complex carbs
starches and dietary fiber
multiple sugar units
starch
occur in grains, veggies and some fruit
dietary fiber
complex carb found in plants
can’t be broken down
functional fiber
non digestible
extracted from natural foods or synthetic
total fiber
combined amount of dietary and functional
soluble fiber
dissolves in water
lowers cholesterol
insoluble fiber
passes through digestive tract unchanged
laxative
how many grams of complex carbs needed daily
25 women
38 men
protein function
build and maintain muscles, bones, and other body functions
form enzymes