EXAM 1 Flashcards
phytochemical found in food are important because
they decrease the risk of developing certain diseases when they are eaten
an advertisement for a new performance enhancing supplement is on the internet. what can you assume about the advertisement for the supplement?
the information needs to be checked for scientific validity and accuracy
which of the following is the dietary reference intakes represents the highest average daily intake level likely to post no risk of adverse health effects in most people and is used for safety limits
- RDA
- Daily Values
- AI
- UL
UL- tolerable upper intake level
which nutrient provides the most energy (calories) per gram?
a. carbohydrate
b. fat
c. protein
d. vitamins
fat
when determining the amounts of food to eat from each group in the USDA food guide each day, you need to remember that
the recommended amounts will vary depending on age physical activity and gender
as food moves through the digestive tract is spends the most time in the
large intestine because of the need to partially digest fiber and absorb water
what restores sobriety in someone who has been drinking alcohol
time
esophagus
passes food from the mouth to the stomach
bicarbonate
released by the pancreas to neutralize hydrochloric acid in the small intestine
gallbladder
stores bile until needed and squirts bile into the small intestine when fat is present
pancreas
manufactures digestive juices containing enzymes and releases them into the small intestine
villi
finger like projections in the small intestine that increase the surface area to maximize absorption
bile
emulsifies fat in the small intestine for enzymatic digestion
small intestine
digests the majority of CHO, protein, and fat, and absorbs nutrients
stomach
adds hydrochloric acid, enzymes, and fluid. Grinds food into a liquid called chyme
liver
all absorbed nutrients travel here before entering the bloodstream for delivery to the the body’s cells
after being absorbed across the intestinal wall, large fat molecules travel to the liver via
lymph
when fructose and glucose are bonded together they form
table sugar (sucrose)
how many grams of fiber per day does the American dietician association suggest for adults
25-33grams per day
glucose is stored in humans and animals as
glycogen
over 75% of the world’s adults lose most of their ability to produce the enzyme ____ as they age causing intolerance to certain foods
lactase
according to the DRI recommendations for macronutrients, people should obtain about ___ percent of their daily energy from carbohydrates
45-65%
human digestive enzymes break down the bonds between the glucose molecules in starch but not in fiber
true or false
true
the pancreas releases releases this hormone when blood sugar is low to cause the liver to break down glycogen and release glucose into the bloodstream
glucagon
enriched flour contains all the same nutrients as whole wheat flour
true or false
false
all the following are primary functions of soluble fiber except:
- lowers blood cholesterol
- regulates blood sugar following a carbohydrate rich meal
- adds bulk to promote healthy bowel function
- reduces risk of chronic disease
adds bulk to promote healthy bowel function
how would you respond to someone who states that white bread is just as nutritious as whole wheat bread
whole wheat bread is preferable because it contains several nutrients not added to enriched white bread
whole wheat bread is higher in fiber content than white bread
gluten
a small percentage of the population has celiac disease which makes them unable to eat gluten at all