Nutrition Flashcards
0
Q
resting energy expenditure (REE)
A
BMR plus energy to digest meals and perform mild activity.
60-75% of daily needs
1
Q
basal metabolic rate (BMR)
A
the energy required for a person at rest; the energy needed to maintain breathing, circulation, heart rate, and temperature
2
Q
nutrients
A
the elements supplied by good that are necessary for body processes and function.
carbohydrates, fats, proteins, water, vitamins, minerals
3
Q
carbohydrates
A
- main source of energy in the diet
- saccharides
- -simple carbohydrates (sugars): monosaccharides and disaccharides
- -complex carbohydrates (starch, glycogen, fiber): polysaccharides
4
Q
Glycemic index
A
- the effect on blood glucose levels and insulin response
- food that releases glucose rapidly into the bloodstream have a high glycemic index
- foods with low glycemic index help with weight loss, promote endurance, and decrease risk of heart disease
5
Q
protein
A
- essential for growth, maintenance, and repair of body tissue
- blood clotting, fluid regulation, and acid-base balance require protein
- work as defence
- can be used for energy
- part of body structure
6
Q
amino acids
A
simplest form
- essential: provided in diet
- nonessential: can be synthesized by body
7
Q
saturated or unsaturated fat
A
- monounsaturated fatty acids: vegetable fats (healthy)
- polyunsaturated fatty acids (healthy)
- saturated fat: animal fat (raises cholesterol
8
Q
trans fatty acids
A
- mostly found in prepared foods
- raise LDL
- lower HDL
9
Q
cholesterol
A
- not a fat
- occurs naturally in animal goods but is also synthesized by the liver
- deposits in blood vessel walls causing atherosclerosis
10
Q
fats
A
- cushion vital organs
- insulate
- protect cell membranes
- provide storage form of energy
11
Q
water
A
- muscle contains more water than any other tissues except blood
- cell function depends on a fluid environment
- helps regulate temperature and acts as a solvent
- 60-70% of body weight
12
Q
vitamins
A
- essential to normal metabolism
- depend on dietary intake
- highest vitamin content is found in fresh foods used quickly
13
Q
fat soluble vitamins
A
vitamin A, D, E, and K
14
Q
water soluble vitamins
A
vitamin C and B complex: easily destroyed and not stored in the body