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WGU D440 Nutrition Test with Questions and 100% Correct Solutions
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WGU D440 Nutrition Test with Questions and 100% Correct Solutions
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WGU D440 Nutrition Test with Questions and100% Correct Solutions
3 types of fat found in food - Answer 1- triglyceride
2- phospholipids/lethicin
3- sterold/cholesterol
fat - Answer an important concentrated source of energy, cushions organs, insulation
feeling full; prevents hunger between meals
contains carbon, hydrogen, oxygen
20% to 35% of total kilocalories
monounsaturated fat - Answer soft @ rooms temp
one double bond (1 spot for hydrogen atom)
ex. olive oil/avocado/almonds/ margarine
polyunsaturated fat - Answer 2 or more points of unsaturation
tend to be liquid @ room temp (oils)
ex. seeds/nut oils (walnuts,canola, sunflower,sesame), salmon
saturated fat - Answer -sold in room temp
single bonded carbon - hold all of the hydrogen atoms
ex. palm kernel oil, 70% lean ground beef, shortening
trans fats - Answer found in partially hydrogenated oils
, ex. donuts, fried chicken, cookies, crackers, baked goods
triglycerides - Answer pancreatic lipas breaks it down into fatty acids, monoglycerides,
and glycerol
beneficial fats - Answer omega 3, omega 6, epa, día, (mono & polyunsaturated fats)
salmons, trout, nuts, vegetable oils
carb: composition AMDR - Answer -contains carbon, hydrogen, oxygen
-AMDR: 45-65%
ex. fast food fries/boxed cookies
carb food sources - Answer •Grains: Cereals, breads, crackers, rice, or pasta, at least half
as whole grains
•Vegetables: Fiber-rich/starchy veggies: carrots, sweet potatoes, white potatoes, peas;
legumes or dry beans: kidney beans, chickpeas, black-eyed peas
•Fruits: Fiber-rich fruits: bananas, grapes, pears, apples
•Milk: Fat-free or low fat milk, yogurt, and other milk products containing lactose (does
not include most cheeses)
•Meats and beans: Replace animal sources with servings of legumes or dry beans
function of carb - Answer -Provide energy
-When not enough carbs available, fat is metabolized =formation of ketones,
intermediate products of fat metabolism. The body without distress easily disposes of
low levels of ketones. If carb levels continue to be insufficient, increased levels of
ketones overwhelm the physiologic system=ketoacidosis
Nutrition - Answer the science of how foods affect the human body to promote health
and prevent disease
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