nutrient density
consume foods that have the most nutrients for their calories
nutrient that does not provide energy for the body
vitamin D
essential nutrients
there are about 40 nutrients known to be essential
these nutrients must be obtained from food
false statement
nutrient deficiency diseases, such as iron-deficiency anemia, have been virtually eliminated in america
facts that influence an individuals food choice
eating chocolate or Ice cream for comfort
eating corn on the cob when in season
eating ethnic foods you ate as a child
true statement
dietary supplements labels must state that the product is a dietary supplement
reliable scientific research will not include
reporting results to the news media
calorie
unit of measure that is used in nutrition science that expressed the amount of energy provided by a food
macronutrients
lipids, carbohydrates, proteins
3 main functions of the nutrients
contribute to the structure of our body
regulate biological processed in the body
provide us with energy
stroke, cancer, and heart disease can be made worse by
obesity
observations and hypotheses that arise from epidemiology can be treated using
clinical trials
hypothesis
a proposed explantation for an observation
least important factor when judging nutrition info
number of authors
organic compounds
glucose, amino acids, cholesterol
minerals, carbohydrates, proteins, fats, and water
involved in forming and maintaining the bodys structure
DRI's vary by
age, gender, and lifestyle phase
to obtain a broad mix of nutrients it is recommended to eat
variety of different foods
calcium and iron
must be identified on the food label by percentage of daily value
all food labels must include
list of ingredients in the product
adequate intake
when an RDA has yet to be established, this set vex as the recommended intake
recommended dietary allowance
average intake level that meets or exceeds the needs of 97-98%, of healthy individuals
estimated average requirement
average intake level that meets the needs of half of all healthy individuals
tolerable upper intake level
highest intake level of nutrient thought to be safe
estimated energy requirement
total kcaloires neede to maintain weight
for most nutrients, exceeding the UL through regular food consumption alone is difficult
true
ingredients on good label are not listed in alphabetical order
...
carries food from mouth to stomach
esophagus
food does not travel through
pancreas
as an emulsifier, bile is needed for
digestion of fat
pH of stomach
very acidic
peristalsis
moves food through digestive system
amylase beings to digest
carbohydrates
absorbed into the lymph system
lipids
digestive organ that contains largest population of helpful bacteria
large intestine
separates the stomach from small intestine
pyloric sphincter
name given to partially digested food in the stomach
chyme
why is there no digestion of carbs in the stomach
mucus inhibits starch breakdown
function of mucus in stomach
protect stomach from stomach acid
chronic heartburn that can cause pain and damage to esophagus
GERD
substance not absorbed
fiber
protein molecules that increase the rate of specific chemical retains without themselves being charged
enzymes
part of gastrointestinal tract that is responsible for swallowing
pharynx
slow movement of food stuff
large intestine
during swallowing the trachea is blocked by
epiglottis