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WGU Nutrition D440 Questions and Correct
Answers
Dietetics Ans: — The use of evidence-based practices in the area
of food and nutrition to improve and maintain good health
Health vs Wellness Ans: — Health - complete well being
Wellness - full potential development
Essential Nutrients Ans: — carbs, protein, fats, minerals, vitamins
and water
Nonessential Nutrients Ans: — amino acids and cholesterol
What creates the info on food labels? Ans: — RDA and RDI
Percentage of calories burned by the thermal effect of food and
exercise? Ans: — TEF - 10 %
Physical Activity - 15%-30%
convert kilocalories (kcal) into kilojoules (kJ) Ans: — multiply the
number of kilocalories by 4.184
Whole grain vs refined whole grain Ans: — refined only has 1 or 2
layers; whole has all 3 layers
Dextrin Ans: — group of carbohydrates broken down in the mouth
because of amylase saliva
Ptyalin Ans: — aka salivary amylase
Cellulose Ans: — nondigestable dissacharide that adds bulk to the
diet
saturated fats are usually... Ans: — animal products
Omega is determined by Ans: — where the first double bond is
Hydrogenation Ans: — moving the double bond to a different side
to make it more shelf stable and creating trans fats
© 2025 All rights reserved
, 2 | Page
Phospholipids are triglyceride derivatives in which a phosphate
group replaces one fatty acid... Which makes it... Ans: — partially
hydrophobic and hydrophilic aka amphipathic
major phospholipid produced by the liver, key building block of
the lipid bilayer - eggs and liver Ans: — Lecithin
signaling hormones that exert local control over multiple functions
in the body Ans: — Eiconasoids
Plant fats are... Ans: — monosaturated and polyunsaturated fats
What breaksdown fat Ans: — lingual lipase and ebner gland
stomach only breaks down butterfat
SI releases cholecystokinin when fat is here which triggers the
gallbladder to release bile
pancreatic lipase to breakdown triglycerides.
Micelles Ans: — when bile salts surround monoglycerides for
absorption - high cholesterol medications get rid of bile salts so
that this absorption can't happen
Is bile reabsorbed? Ans: — yes - by the hepatic portal vein
What is the chemical group name for fats? Ans: — Glycerides
How many essential, nonessential, and conditional amino acids are
there? Ans: — 9 essential
5 nonessential if you're eating your essentials
and conditional on which disease you have that requires these
Negative vs Positive nitrogen balance Ans: — negative- excreting
more nitrogen than eating (very harmful, body can feed on
muscles of the body)
positive- holding more nitrogen than excreting (growth periods)
Blood proteins Ans: — Hemoglobin - oxygen carrying and
Transferrin - iron transport
© 2025 All rights reserved
WGU Nutrition D440 Questions and Correct
Answers
Dietetics Ans: — The use of evidence-based practices in the area
of food and nutrition to improve and maintain good health
Health vs Wellness Ans: — Health - complete well being
Wellness - full potential development
Essential Nutrients Ans: — carbs, protein, fats, minerals, vitamins
and water
Nonessential Nutrients Ans: — amino acids and cholesterol
What creates the info on food labels? Ans: — RDA and RDI
Percentage of calories burned by the thermal effect of food and
exercise? Ans: — TEF - 10 %
Physical Activity - 15%-30%
convert kilocalories (kcal) into kilojoules (kJ) Ans: — multiply the
number of kilocalories by 4.184
Whole grain vs refined whole grain Ans: — refined only has 1 or 2
layers; whole has all 3 layers
Dextrin Ans: — group of carbohydrates broken down in the mouth
because of amylase saliva
Ptyalin Ans: — aka salivary amylase
Cellulose Ans: — nondigestable dissacharide that adds bulk to the
diet
saturated fats are usually... Ans: — animal products
Omega is determined by Ans: — where the first double bond is
Hydrogenation Ans: — moving the double bond to a different side
to make it more shelf stable and creating trans fats
© 2025 All rights reserved
, 2 | Page
Phospholipids are triglyceride derivatives in which a phosphate
group replaces one fatty acid... Which makes it... Ans: — partially
hydrophobic and hydrophilic aka amphipathic
major phospholipid produced by the liver, key building block of
the lipid bilayer - eggs and liver Ans: — Lecithin
signaling hormones that exert local control over multiple functions
in the body Ans: — Eiconasoids
Plant fats are... Ans: — monosaturated and polyunsaturated fats
What breaksdown fat Ans: — lingual lipase and ebner gland
stomach only breaks down butterfat
SI releases cholecystokinin when fat is here which triggers the
gallbladder to release bile
pancreatic lipase to breakdown triglycerides.
Micelles Ans: — when bile salts surround monoglycerides for
absorption - high cholesterol medications get rid of bile salts so
that this absorption can't happen
Is bile reabsorbed? Ans: — yes - by the hepatic portal vein
What is the chemical group name for fats? Ans: — Glycerides
How many essential, nonessential, and conditional amino acids are
there? Ans: — 9 essential
5 nonessential if you're eating your essentials
and conditional on which disease you have that requires these
Negative vs Positive nitrogen balance Ans: — negative- excreting
more nitrogen than eating (very harmful, body can feed on
muscles of the body)
positive- holding more nitrogen than excreting (growth periods)
Blood proteins Ans: — Hemoglobin - oxygen carrying and
Transferrin - iron transport
© 2025 All rights reserved
