WGU D440 SAUNDERS REVIEW EXAM
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
1. Carbohydrates 1. Carbohydrates are the preferred source of energy.
2. Each gram of a carbohydrate produces 4 kcal/g.
Carbohy- drates promote normal fat metabolism;
inadequate carbohy- drate intake affects metabolism.
3. Carbohydrates serve as the main source of fuel,
providing glucose for the brain and for the skeletal
muscles during ex- ercise; carbohydrates also promote
erythrocyte and leukocyte production, and cell
function.
4. Major food sources of carbohydrates include milk,
grains, fruits, and vegetables.
2. Fats 1. Fats provide a concentrated source and a stored
form of energy.
2. Fats protect internal organs and maintain body
tempera- ture.
3. Fats enhance absorption of the fat-soluble vitamins.
4. Fats provide 9 kcal/g.
5. Inadequate intake of essential fatty acids leads to
clinical manifestations of sensitivity to cold, skin
lesions, increased risk of infection, and amenorrhea
in women.
6. Diets high in fat can lead to obesity and increase
the risk of cardiovascular disease and some
cancers.
3. Proteins Proteins
1. Amino acids, which make up proteins, are critical
to all as- pects of growth and development of body
tissues and provide 4 kcal/g.
,WGU D440 SAUNDERS REVIEW EXAM
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
2. Proteins build and repair body tissues, regulate
fluid bal- ance, maintain acid-base balance, produce
antibodies, pro- vide energy, and produce enzymes
and hormones.
3. Essential amino acids are required in the diet
because the body cannot manufacture them.
, WGU D440 SAUNDERS REVIEW EXAM
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
8. Sources of Folic Acid
4. Major stages of the life
span with specific
nutritional needs are
5. Define vitamin, and the
role they play in the
body.
6. Define Minerals and
elec- trolytes and their
functions.
7. What are Water-Soluble
Vita- mins?
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
1. Carbohydrates 1. Carbohydrates are the preferred source of energy.
2. Each gram of a carbohydrate produces 4 kcal/g.
Carbohy- drates promote normal fat metabolism;
inadequate carbohy- drate intake affects metabolism.
3. Carbohydrates serve as the main source of fuel,
providing glucose for the brain and for the skeletal
muscles during ex- ercise; carbohydrates also promote
erythrocyte and leukocyte production, and cell
function.
4. Major food sources of carbohydrates include milk,
grains, fruits, and vegetables.
2. Fats 1. Fats provide a concentrated source and a stored
form of energy.
2. Fats protect internal organs and maintain body
tempera- ture.
3. Fats enhance absorption of the fat-soluble vitamins.
4. Fats provide 9 kcal/g.
5. Inadequate intake of essential fatty acids leads to
clinical manifestations of sensitivity to cold, skin
lesions, increased risk of infection, and amenorrhea
in women.
6. Diets high in fat can lead to obesity and increase
the risk of cardiovascular disease and some
cancers.
3. Proteins Proteins
1. Amino acids, which make up proteins, are critical
to all as- pects of growth and development of body
tissues and provide 4 kcal/g.
,WGU D440 SAUNDERS REVIEW EXAM
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
2. Proteins build and repair body tissues, regulate
fluid bal- ance, maintain acid-base balance, produce
antibodies, pro- vide energy, and produce enzymes
and hormones.
3. Essential amino acids are required in the diet
because the body cannot manufacture them.
, WGU D440 SAUNDERS REVIEW EXAM
QUESTIONS & DETAILED COMPLETE
SOLUTIONS RATED 100% CORRECT
8. Sources of Folic Acid
4. Major stages of the life
span with specific
nutritional needs are
5. Define vitamin, and the
role they play in the
body.
6. Define Minerals and
elec- trolytes and their
functions.
7. What are Water-Soluble
Vita- mins?
